Knowledge (XXG)

Cartesian coordinate system

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The concept of Cartesian coordinates generalizes to allow axes that are not perpendicular to each other, and/or different units along each axis. In that case, each coordinate is obtained by projecting the point onto one axis along a direction that is parallel to the other axis (or, in general, to the
1931:: I (where the coordinates both have positive signs), II (where the abscissa is negative − and the ordinate is positive +), III (where both the abscissa and the ordinate are −), and IV (abscissa +, ordinate −). When the axes are drawn according to the mathematical custom, the numbering goes 579:
length along the line can be chosen as a unit, with the orientation indicating the correspondence between directions along the line and positive or negative numbers. Each point corresponds to its signed distance from the origin (a number with an absolute value equal to the distance and a
4695: 3113: 994: 4667: 2763: 3869: 1652:) in three-dimensional space. This custom comes from a convention of algebra, which uses letters near the end of the alphabet for unknown values (such as the coordinates of points in many geometric problems), and letters near the beginning for given quantities. 4507: 3261:
A glide reflection is the composition of a reflection across a line followed by a translation in the direction of that line. It can be seen that the order of these operations does not matter (the translation can come first, followed by the reflection).
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Figure 7 depicts a left and a right-handed coordinate system. Because a three-dimensional object is represented on the two-dimensional screen, distortion and ambiguity result. The axis pointing downward (and to the right) is also meant to point
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Figure 8 is another attempt at depicting a right-handed coordinate system. Again, there is an ambiguity caused by projecting the three-dimensional coordinate system into the plane. Many observers see Figure 8 as "flipping in and out" between a
3521: 2892: 6092:-axis. Since the complex numbers can be multiplied giving another complex number, this identification provides a means to "multiply" vectors. In a three-dimensional cartesian space a similar identification can be made with a subset of the 3632: 2440: 5359:
Regardless of the rule used to orient the plane, rotating the coordinate system will preserve the orientation. Switching any one axis will reverse the orientation, but switching both will leave the orientation unchanged.
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An example of an affine transformation which is not Euclidean is given by scaling. To make a figure larger or smaller is equivalent to multiplying the Cartesian coordinates of every point by the same positive number
5850: 4512: 6034: 5973: 5913: 4113: 2990: 783:-axis. The choices of letters come from the original convention, which is to use the latter part of the alphabet to indicate unknown values. The first part of the alphabet was used to designate known values. 2170: 1516: 5732: 5681: 2652: 5400:-axis should lie, but there are two possible orientations for this line. The two possible coordinate systems, which result are called 'right-handed' and 'left-handed'. The standard orientation, where the 5294:-axis. But there is a choice of which of the two half lines on the perpendicular to designate as positive and which as negative. Each of these two choices determines a different orientation (also called 3699: 482:
Both Descartes and Fermat used a single axis in their treatments and have a variable length measured in reference to this axis. The concept of using a pair of axes was introduced later, after Descartes'
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In mathematics, physics, and engineering, the first axis is usually defined or depicted as horizontal and oriented to the right, and the second axis is vertical and oriented upwards. (However, in some
5628: 5539:"corner". This corresponds to the two possible orientations of the space. Seeing the figure as convex gives a left-handed coordinate system. Thus the "correct" way to view Figure 8 is to imagine the 4913:{\displaystyle {\begin{pmatrix}A_{1,1}&A_{2,1}&b_{1}\\A_{1,2}&A_{2,2}&b_{2}\\0&0&1\end{pmatrix}}{\begin{pmatrix}x\\y\\1\end{pmatrix}}={\begin{pmatrix}x'\\y'\\1\end{pmatrix}}.} 3704: 1374:
In mathematics, physics, and engineering contexts, the first two axes are often defined or depicted as horizontal, with the third axis pointing up. In that case the third coordinate may be called
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the computations of distances and angles must be modified from that in standard Cartesian systems, and many standard formulas (such as the Pythagorean formula for the distance) do not hold (see
999: 949:), and are pair-wise perpendicular; an orientation for each axis; and a single unit of length for all three axes. As in the two-dimensional case, each axis becomes a number line. For any point 4344: 4249: 3997: 1271:{\displaystyle {\begin{aligned}(+x,+y,+z)&&(-x,+y,+z)&&(+x,-y,+z)&&(+x,+y,-z)\\(+x,-y,-z)&&(-x,+y,-z)&&(-x,-y,+z)&&(-x,-y,-z)\end{aligned}}} 2594: 5229: 5156: 5063: 6862: 4405: 3120: 1858:. In any diagram or display, the orientation of the three axes, as a whole, is arbitrary. However, the orientation of the axes relative to each other should always comply with the 2294: 2235: 3432: 3395: 2772: 1583: 3526: 4392: 2063: 2017: 645: 5579: 1538: 689:
for both axes, and an orientation for each axis. The point where the axes meet is taken as the origin for both, thus turning each axis into a number line. For any point
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or half-lines resulting from splitting the line at the origin. One of the half-lines can be assigned to positive numbers, and the other half-line to negative numbers.
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taking a specific point's coordinate in one system to its coordinate in the other system. Choosing a coordinate system for each of two different lines establishes an
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are transformations that map lines to lines, but may change distances and angles. As said in the preceding section, they can be represented with augmented matrices:
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are the coordinates of its reflection across the first coordinate axis (the x-axis). In more generality, reflection across a line through the origin making an angle
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These conventional names are often used in other domains, such as physics and engineering, although other letters may be used. For example, in a graph showing how a
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in the choice of Cartesian coordinate system for a line, which can be specified by choosing two distinct points along the line and assigning them to two distinct
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axis, usually oriented from bottom to top. Young children learning the Cartesian system, commonly learn the order to read the values before cementing the
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When pointing the thumb away from the origin along an axis towards positive, the curvature of the fingers indicates a positive rotation along that axis.
1811:-axis oriented downwards on the computer display. This convention developed in the 1960s (or earlier) from the way that images were originally stored in 4002: 1382:. The orientation is usually chosen so that the 90-degree angle from the first axis to the second axis looks counter-clockwise when seen from the point 2070: 697:
perpendicular to each axis, and the position where it meets the axis is interpreted as a number. The two numbers, in that chosen order, are the
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perpendicular to each coordinate axis, and interprets the point where that plane cuts the axis as a number. The Cartesian coordinates of
912:, oriented as shown by the arrows. The tick marks on the axes are one length unit apart. The black dot shows the point with coordinates 732:
of the coordinate system. The coordinates are usually written as two numbers in parentheses, in that order, separated by a comma, as in
322:, whose invention of them in the 17th century revolutionized mathematics by allowing the expression of problems of geometry in terms of 4256: 1854:-axis would appear as a line or ray pointing down and to the left or down and to the right, depending on the presumed viewer or camera 4164: 1476: 1280:
The coordinates are usually written as three numbers (or algebraic formulas) surrounded by parentheses and separated by commas, as in
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a set of points of the plane, preserving the distances and directions between them, is equivalent to adding a fixed pair of numbers
829:. The quadrants may be named or numbered in various ways, but the quadrant where all coordinates are positive is usually called the 1850:-axis should be shown pointing "out of the page" towards the viewer or camera. In such a 2D diagram of a 3D coordinate system, the 3641: 493:
and his students. These commentators introduced several concepts while trying to clarify the ideas contained in Descartes's work.
6966: 1792:-axis concepts, by starting with 2D mnemonics (for example, 'Walk along the hall then up the stairs' akin to straight across the 7021: 6981: 849: 437: 6956: 6185: 4662:{\displaystyle A'={\begin{pmatrix}A_{1,1}&A_{1,2}&b_{1}\\A_{2,1}&A_{2,2}&b_{2}\\0&0&1\end{pmatrix}}.} 6042:
interpretation of multiplying vectors to obtain another vector that works in all dimensions, however there is a way to use
3108:{\displaystyle {\begin{aligned}x'&=x\cos 2\theta +y\sin 2\theta \\y'&=x\sin 2\theta -y\cos 2\theta .\end{aligned}}} 607:
the line corresponds to multiplication. Any two Cartesian coordinate systems on the line can be related to each-other by a
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Since Cartesian coordinates are unique and non-ambiguous, the points of a Cartesian plane can be identified with pairs of
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Effect of applying various 2D affine transformation matrices on a unit square (reflections are special cases of scaling)
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to themselves which preserve distances between points. There are four types of these mappings (also called isometries):
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Cartesian coordinate system with a circle of radius 2 centered at the origin marked in red. The equation of a circle is
2758:{\displaystyle {\begin{aligned}x'&=x\cos \theta -y\sin \theta \\y'&=x\sin \theta +y\cos \theta .\end{aligned}}} 6936: 6287: 6136: 5165: 5092: 4999: 596: 520: 4994:
are the coordinates of a point on the original figure, the corresponding point on the scaled figure has coordinates
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In mathematical illustrations of two-dimensional Cartesian systems, the first coordinate (traditionally called the
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to the plane defined by the other two axes, with the sign determined by the orientation of the corresponding axis.
5581:. In two dimensions, the vector from the origin to the point with Cartesian coordinates (x, y) can be written as: 653:
from one line to the other taking each point on one line to the point on the other line with the same coordinate.
6905: 1910: 1754: 1600: 556:. Every point on the line has a real-number coordinate, and every real number represents some point on the line. 505: 420:. Cartesian coordinates are also essential tools for most applied disciplines that deal with geometry, including 6946: 6415: 3874: 3864:{\displaystyle {\begin{aligned}x'&=xA_{1,1}+yA_{1,1}+b_{1}\\y'&=xA_{2,1}+yA_{2,2}+b_{2}.\end{aligned}}} 2477: 2453: 873: 592: 4669:
With this trick, the composition of affine transformations is obtained by multiplying the augmented matrices.
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to provide such a multiplication. In a two-dimensional cartesian plane, identify the point with coordinates
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to the Cartesian coordinates of every point in the set. That is, if the original coordinates of a point are
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by simply multiplying the associated transformation matrices. In the general case, it is useful to use the
798:. In a Cartesian plane, one can define canonical representatives of certain geometric figures, such as the 496:
The development of the Cartesian coordinate system would play a fundamental role in the development of the
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A Cartesian coordinate system for a three-dimensional space consists of an ordered triplet of lines (the
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Illustration of a Cartesian coordinate plane. Four points are marked and labeled with their coordinates:
6900: 6894: 4685: 4132: 3271: 664: 650: 475:, who also worked in three dimensions, although Fermat did not publish the discovery. The French cleric 405: 225:, which are the signed distances from the point to three mutually perpendicular planes. More generally, 6824: 5756:). Similarly, in three dimensions, the vector from the origin to the point with Cartesian coordinates 5439: 1559: 6991: 6971: 6800: 6606: 6542: 4963: 4395: 1746: 568: 396:, and provide enlightening geometric interpretations for many other branches of mathematics, such as 203: 194: 3274:
of the plane can be described in a uniform way by using matrices. For this purpose, the coordinates
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will push the top of a square sideways to form a parallelogram. Horizontal shearing is defined by:
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The axes of a two-dimensional Cartesian system divide the plane into four infinite regions, called
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Similarly, a three-dimensional Cartesian system defines a division of space into eight regions or
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used constructions similar to Cartesian coordinates well before the time of Descartes and Fermat.
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Some affine transformations that are not Euclidean transformations have received specific names.
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Field Theory Handbook, Including Coordinate Systems, Differential Equations, and Their Solutions
4502:{\displaystyle {\begin{pmatrix}x'\\y'\\1\end{pmatrix}}=A'{\begin{pmatrix}x\\y\\1\end{pmatrix}},} 1826:-axis added to represent height (positive up). Furthermore, there is a convention to orient the 1396: 485: 6676: 6807: 6782: 6765: 6755: 6729: 6712: 6688: 6680: 6651: 6641: 6631: 6610: 6586: 6567: 6546: 6523: 6500: 6481: 6462: 6429: 6375: 6214: 6204: 4956: 3898: 3247:{\displaystyle (x',y')=((x\cos 2\theta +y\sin 2\theta \,),(x\sin 2\theta -y\cos 2\theta \,)).} 1671:. Each axis is usually named after the coordinate which is measured along it; so one says the 1471: 1401: 752: 576: 560: 464: 433: 393: 343: 319: 151: 32: 5759: 5372:
Fig. 7 – The left-handed orientation is shown on the left, and the right-handed on the right.
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The Euclidean transformations are the affine transformations such that the 2×2 matrix of the
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placed at a right angle to both, the three fingers indicate the relative orientation of the
5249: 4399: 2481: 1950:. The generalization of the quadrant and octant to an arbitrary number of dimensions is the 1804: 1769: 961:
are those three numbers, in the chosen order. The reverse construction determines the point
740:, and the points on the positive half-axes, one unit away from the origin, have coordinates 472: 401: 207: 155: 147: 114: 108: 73: 3516:{\displaystyle {\begin{pmatrix}x'\\y'\end{pmatrix}}=A{\begin{pmatrix}x\\y\end{pmatrix}}+b,} 3400: 3277: 6810: 6747: 6743: 6664: 5448: 5393: 5334: 5264: 5245: 4689: 4158: 4148: 4128: 2887:{\displaystyle (x',y')=((x\cos \theta -y\sin \theta \,),(x\sin \theta +y\cos \theta \,)).} 2465: 1915: 1859: 1750: 1541: 1389: 787: 608: 238: 176: 67: 6640:. Translated by Paul J. Oscamp (Revised ed.). Indianapolis, IN: Hackett Publishing. 5491:-axis. Conversely, if the same is done with the left hand, a left-handed system results. 2929:
across the second coordinate axis (the y-axis), as if that line were a mirror. Likewise,
1927:, each bounded by two half-axes. These are often numbered from 1st to 4th and denoted by 1632:. In analytic geometry, unknown or generic coordinates are often denoted by the letters ( 5555:
A point in space in a Cartesian coordinate system may also be represented by a position
3627:{\displaystyle A={\begin{pmatrix}A_{1,1}&A_{1,2}\\A_{2,1}&A_{2,2}\end{pmatrix}}} 508:. The two-coordinate description of the plane was later generalized into the concept of 6705: 6700: 6669: 6516: 6267: 6077: 6043: 5748: 4139: 3906: 3880: 815: 686: 567:(most commonly zero and one). Other points can then be uniquely assigned to numbers by 397: 5380:
Fig. 8 – The right-handed Cartesian coordinate system indicating the coordinate planes
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contexts, the ordinate axis may be oriented downwards.) The origin is often labeled
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of two affine transformations is obtained by multiplying their augmented matrices.
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Coordinate Converter – converts between polar, Cartesian and spherical coordinates
2435:{\displaystyle d={\sqrt {(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}+(z_{2}-z_{1})^{2}}},} 1897:
are sometimes used to refer to coordinate axes rather than the coordinate values.
17: 6635: 6600: 6561: 6456: 1862:, unless specifically stated otherwise. All laws of physics and math assume this 6840: 5259: 1812: 1617: 1467: 892: 822: 803: 799: 564: 549: 543: 468: 461: 429: 159: 6836:
open source JavaScript class for 2D/3D Cartesian coordinate system manipulation
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Many other coordinate systems have been developed since Descartes, such as the
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which can be obtained by two consecutive applications of Pythagoras' theorem.
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Hughes-Hallett, Deborah; McCallum, William G.; Gleason, Andrew M. (2013).
6198: 5536: 5416:-axis form a positively oriented two-dimensional coordinate system in the 1686:
Another common convention for coordinate naming is to use subscripts, as (
1359:-axis, respectively. Then the coordinate planes can be referred to as the 342:
of radius 2, centered at the origin of the plane, may be described as the
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with the x-axis, is equivalent to replacing every point with coordinates
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For 3D diagrams, the names "abscissa" and "ordinate" are rarely used for
1773: 1765: 1656: 1428:-axis is highlighted in green. Thus, the red plane shows the points with 720: 714: 497: 409: 382: 335: 327: 57: 5532: 4131:. If these conditions do not hold, the formula describes a more general 5845:{\displaystyle \mathbf {r} =x\mathbf {i} +y\mathbf {j} +z\mathbf {k} ,} 4402:
of the transformation; that is, to rewrite the transformation formula
1952: 872:|, respectively; where | · | denotes the 425: 323: 5332:
A commonly used mnemonic for defining the positive orientation is the
802:(with radius equal to the length unit, and center at the origin), the 5753: 1721:
is greater than 3 or unspecified. Some authors prefer the numbering (
339: 6439: 4151:. The transformation is a rotation around some point if and only if 6029:{\displaystyle \mathbf {k} ={\begin{pmatrix}0\\0\\1\end{pmatrix}}.} 5968:{\displaystyle \mathbf {j} ={\begin{pmatrix}0\\1\\0\end{pmatrix}},} 5908:{\displaystyle \mathbf {i} ={\begin{pmatrix}1\\0\\0\end{pmatrix}},} 1540:
is the set of all real numbers. In the same way, the points in any
330:. Using the Cartesian coordinate system, geometric shapes (such as 5460: 5438: 5375: 5367: 5258: 4676: 4108:{\displaystyle A_{1,1}^{2}+A_{2,1}^{2}=A_{1,2}^{2}+A_{2,2}^{2}=1.} 1549: 1395: 432:
and many more. They are the most common coordinate system used in
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involving the coordinates of points of the shape. For example, a
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Moon P, Spencer DE (1988). "Rectangular Coordinates (x, y, z)".
6716: 6684: 2165:{\displaystyle d={\sqrt {(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}}.} 1660: 1511:{\displaystyle \mathbb {R} ^{2}=\mathbb {R} \times \mathbb {R} } 728:, respectively; and the point where the axes meet is called the 370: 6844: 6476:
Brannan, David A.; Esplen, Matthew F.; Gray, Jeremy J. (1998).
5727:{\displaystyle \mathbf {j} ={\begin{pmatrix}0\\1\end{pmatrix}}} 5676:{\displaystyle \mathbf {i} ={\begin{pmatrix}1\\0\end{pmatrix}}} 669:
A Cartesian coordinate system in two dimensions (also called a
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For three-dimensional systems, a convention is to portray the
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axis, oriented from left to right. The second coordinate (the
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A three dimensional Cartesian coordinate system, with origin
705:. The reverse construction allows one to determine the point 192:) of the system. The point where the axes meet is called the 5752:(in some application areas these may also be referred to as 3694:{\displaystyle b={\begin{pmatrix}b_{1}\\b_{2}\end{pmatrix}}} 1616:
The Cartesian coordinates of a point are usually written in
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between two points of the plane with Cartesian coordinates
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the observer, whereas the "middle"-axis is meant to point
2178:. In three-dimensional space, the distance between points 1846:-axis horizontally and vertically, respectively, then the 5623:{\displaystyle \mathbf {r} =x\mathbf {i} +y\mathbf {j} ,} 2631:
is equivalent to replacing every point with coordinates (
1453:(shown as a black sphere) with the Cartesian coordinates 1323:
Standard names for the coordinates in the three axes are
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at any point can be computed from this equation by using
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The usual way of orienting the plane, with the positive
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Kent, Alexander J.; Vujakovic, Peter (4 October 2017).
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starting from the upper right ("north-east") quadrant.
1628:. The origin is often labelled with the capital letter 6637:
Discourse on Method, Optics, Geometry, and Meteorology
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Anton, Howard; Bivens, Irl C.; Davis, Stephen (2021).
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The other way of orienting the plane is following the
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with a chosen Cartesian coordinate system is called a
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with a chosen Cartesian coordinate system is called a
6203:(3rd ed.). Boston: Addison-Wesley. p. 484. 5981: 5920: 5860: 5800: 5762: 5689: 5638: 5589: 5565: 5168: 5095: 5002: 4928: 4698: 4515: 4408: 4354: 4259: 4167: 4005: 3915: 3883: 3707: 3644: 3529: 3435: 3403: 3361: 3315: 3280: 3123: 2993: 2947: 2775: 2655: 2617: 2527: 2304: 2243: 2184: 2073: 2025: 1979: 1562: 1524: 1479: 997: 618: 138: 117: 97: 76: 6832:– interactive tool to explore coordinates of a point 126: 85: 6919: 6878: 5346:-axis, in a positively oriented coordinate system. 4253:A reflection or glide reflection is obtained when, 3348:{\displaystyle {\begin{pmatrix}x\\y\end{pmatrix}}.} 1919:
The four quadrants of a Cartesian coordinate system
1335:. The coordinates are often denoted by the letters 416:and more. A familiar example is the concept of the 123: 82: 6704: 6671:Mathematical Handbook for Scientists and Engineers 6668: 6515: 6080:and is identified with the point with coordinates 6028: 5967: 5907: 5844: 5786: 5726: 5675: 5622: 5573: 5519:-axis (in both cases). Hence the red arrow passes 5223: 5150: 5057: 4947: 4912: 4661: 4501: 4386: 4348:Assuming that translations are not used (that is, 4338: 4243: 4107: 3991: 3889: 3863: 3693: 3626: 3515: 3421: 3389: 3347: 3298: 3246: 3107: 2953: 2886: 2757: 2623: 2588: 2434: 2288: 2229: 2164: 2057: 2011: 1807:, however, often use a coordinate system with the 1745:). These notations are especially advantageous in 1577: 1556:real numbers; that is, with the Cartesian product 1532: 1510: 1270: 639: 6563:The Routledge Handbook of Mapping and Cartography 6386: 6359: 5746:-axis respectively, generally referred to as the 5071:is greater than 1, the figure becomes larger; if 4339:{\displaystyle A_{1,1}A_{2,2}-A_{2,1}A_{1,2}=-1.} 6675:(1st ed.). New York: McGraw-Hill. pp.  6420:. Undergraduate Texts in Mathematics. Springer. 6371: 4244:{\displaystyle A_{1,1}A_{2,2}-A_{2,1}A_{1,2}=1.} 3397:of applying an affine transformation to a point 712:The first and second coordinates are called the 5547:the observer and thus seeing a concave corner. 3992:{\displaystyle A_{1,1}A_{1,2}+A_{2,1}A_{2,2}=0} 2913:are the Cartesian coordinates of a point, then 1863: 3877:are characterized by the fact that the matrix 1749:: by storing the coordinates of a point as an 231:Cartesian coordinates specify the point in an 210:. The combination of origin and basis forms a 6856: 6181: 1442:, and the yellow plane shows the points with 389:, in a way that can be applied to any curve. 8: 6585:(5th ed.), Pacific Grove: Brooks/Cole, 6118:, which plots four variables rather than two 5459:bent inward at a right angle to it, and the 5317:-axis the "second" axis), is considered the 1449:. The three surfaces intersect at the point 1308:, and the unit points on the three axes are 392:Cartesian coordinates are the foundation of 6337:Hughes-Hallett, McCallum & Gleason 2013 5551:Representing a vector in the standard basis 3306:of a point are commonly represented as the 1598:defined by all the other axes). In such an 6863: 6849: 6841: 6497:The History of Mathematics/An Introduction 5455:of the right hand is pointed forward, the 3266:General matrix form of the transformations 1347:. The axes may then be referred to as the 968:Alternatively, each coordinate of a point 775:. The axes may then be referred to as the 6480:. Cambridge: Cambridge University Press. 6398: 6243: 6200:A history of mathematics: an introduction 5990: 5982: 5980: 5929: 5921: 5919: 5869: 5861: 5859: 5834: 5823: 5812: 5801: 5799: 5761: 5698: 5690: 5688: 5647: 5639: 5637: 5612: 5601: 5590: 5588: 5566: 5564: 5167: 5160:Shearing can also be applied vertically: 5094: 5001: 4962:The augmented matrix that represents the 4933: 4927: 4864: 4828: 4797: 4779: 4761: 4747: 4729: 4711: 4699: 4697: 4625: 4607: 4589: 4575: 4557: 4539: 4527: 4514: 4463: 4409: 4407: 4372: 4359: 4353: 4315: 4299: 4280: 4264: 4258: 4223: 4207: 4188: 4172: 4166: 4093: 4082: 4069: 4058: 4045: 4034: 4021: 4010: 4004: 3971: 3955: 3936: 3920: 3914: 3882: 3848: 3829: 3807: 3775: 3756: 3734: 3708: 3706: 3677: 3663: 3651: 3643: 3604: 3586: 3566: 3548: 3536: 3528: 3478: 3436: 3434: 3402: 3360: 3316: 3314: 3279: 3234: 3191: 3122: 2994: 2992: 2946: 2874: 2837: 2774: 2656: 2654: 2616: 2526: 2421: 2411: 2398: 2382: 2372: 2359: 2343: 2333: 2320: 2311: 2303: 2277: 2264: 2251: 2242: 2218: 2205: 2192: 2183: 2151: 2141: 2128: 2112: 2102: 2089: 2080: 2072: 2046: 2033: 2024: 2000: 1987: 1978: 1569: 1565: 1564: 1561: 1526: 1525: 1523: 1504: 1503: 1496: 1495: 1486: 1482: 1481: 1478: 998: 996: 617: 603:of the line corresponds to addition, and 6779:Mathematische Hilfsmittel des Ingenieurs 6707:The Mathematics of Physics and Chemistry 6288:"Cartesian orthogonal coordinate system" 6088:the unit vector in the direction of the 5392:-axes are specified, they determine the 5290:-axis through the point marked 0 on the 5075:is between 0 and 1, it becomes smaller. 1914: 953:of space, one considers a plane through 891: 821:The two axes divide the plane into four 217:Similarly, the position of any point in 27:Most common coordinate system (geometry) 6499:(7th ed.). New York: McGraw-Hill. 6148: 5511:-plane and indicates rotation from the 1956:, and a similar naming system applies. 1663:, the graph coordinates may be denoted 1435:, the blue plane shows the points with 1386:; a convention that is commonly called 983:. These planes divide space into eight 6752:Methods of Theoretical Physics, Part I 6231: 5305:-axis pointing right and the positive 3873:Among the affine transformations, the 945:) that go through a common point (the 170:distances to the point from two fixed 6347: 6254: 5503:from the observer. The red circle is 2519:, after the translation they will be 489:was translated into Latin in 1649 by 471:. It was independently discovered by 7: 7037:Three-dimensional coordinate systems 6461:. Knopf Doubleday Publishing Group. 6282: 6280: 6278: 6276: 4161:, meaning that it is orthogonal and 4138:The transformation is a translation 1881:-coordinate is sometimes called the 1761:can serve to index the coordinates. 1717:-dimensional space, especially when 595:of the line can be represented by a 575:point corresponding to zero, and an 318:Cartesian coordinates are named for 5278:-axis up to direction. Namely, the 2289:{\displaystyle (x_{2},y_{2},z_{2})} 2230:{\displaystyle (x_{1},y_{1},z_{1})} 1877:, respectively. When they are, the 1796:-axis then up vertically along the 1304:. Thus, the origin has coordinates 6539:Calculus: Single and Multivariable 6156:Bix, Robert A.; D'Souza, Harry J. 5443:3D Cartesian coordinate handedness 4117:This is equivalent to saying that 2589:{\displaystyle (x',y')=(x+a,y+b).} 972:can be taken as the distance from 836:If the coordinates of a point are 736:. Thus the origin has coordinates 298:are the coordinates of the center 25: 2639:) by the point with coordinates ( 2174:This is the Cartesian version of 806:(whose diagonal has endpoints at 588:sign chosen based on direction). 5983: 5922: 5862: 5835: 5824: 5813: 5802: 5691: 5640: 5613: 5602: 5591: 5567: 5487:-axis and the middle finger the 5479:system. The thumb indicates the 5313:-axis being the "first" and the 5224:{\displaystyle (x',y')=(x,xs+y)} 5151:{\displaystyle (x',y')=(x+ys,y)} 5058:{\displaystyle (x',y')=(mx,my).} 2611:around the origin by some angle 1960:Cartesian formulae for the plane 1578:{\displaystyle \mathbb {R} ^{n}} 442:geometry-related data processing 346:of all points whose coordinates 113: 72: 6518:Introduction to Electrodynamics 6387:Brannan, Esplen & Gray 1998 6360:Brannan, Esplen & Gray 1998 1620:and separated by commas, as in 438:computer-aided geometric design 6372:Anton, Bivens & Davis 2021 5781: 5763: 5218: 5197: 5191: 5169: 5145: 5124: 5118: 5096: 5049: 5031: 5025: 5003: 3416: 3404: 3384: 3362: 3293: 3281: 3238: 3235: 3198: 3192: 3155: 3152: 3146: 3124: 2973:by the point with coordinates 2878: 2875: 2844: 2838: 2807: 2804: 2798: 2776: 2580: 2556: 2550: 2528: 2418: 2391: 2379: 2352: 2340: 2313: 2283: 2244: 2224: 2185: 2148: 2121: 2109: 2082: 2052: 2026: 2006: 1980: 1822:-plane horizontally, with the 1261: 1234: 1228: 1201: 1195: 1168: 1162: 1135: 1128: 1101: 1095: 1068: 1062: 1035: 1029: 1002: 622: 1: 7032:Orthogonal coordinate systems 6872:Orthogonal coordinate systems 6781:. New York: Springer Verlag. 6711:. New York: D. van Nostrand. 5404:-plane is horizontal and the 5325:orientation, also called the 4387:{\displaystyle b_{1}=b_{2}=0} 3701:is a column matrix. That is, 2058:{\displaystyle (x_{2},y_{2})} 2012:{\displaystyle (x_{1},y_{1})} 1866:, which ensures consistency. 1404:of the Cartesian coordinates 965:given its three coordinates. 671:rectangular coordinate system 640:{\displaystyle x\mapsto ax+b} 527:for three-dimensional space. 256:mutually perpendicular fixed 6514:Griffiths, David J. (1999). 6408:General and cited references 5574:{\displaystyle \mathbf {r} } 5483:-axis, the index finger the 2464:) mappings of points of the 1533:{\displaystyle \mathbb {R} } 979:Each pair of axes defines a 675:orthogonal coordinate system 6801:Cartesian Coordinate System 6292:Encyclopedia of Mathematics 6137:Spherical coordinate system 5309:-axis pointing up (and the 3901:; that is, its columns are 2925:are the coordinates of its 1965:Distance between two points 1776:) is then measured along a 597:function of a real variable 62:Cartesian coordinate system 7053: 6106:Cartesian coordinate robot 5447:The name derives from the 5298:) of the Cartesian plane. 5243: 5237: 5234:Orientation and handedness 1904: 1424:-axis is vertical and the 885: 693:, a line is drawn through 662: 541: 221:can be specified by three 6777:Sauer R, Szabó I (1967). 6754:. New York: McGraw-Hill. 6495:Burton, David M. (2011). 6455:Berlinski, David (2011). 6426:10.1007/978-3-319-11080-6 6417:Linear Algebra Done Right 6389:, Appendix 2, pp. 377–382 6182:Kent & Vujakovic 2017 5408:-axis points up (and the 5282:-axis is necessarily the 4394:) transformations can be 3875:Euclidean transformations 2454:Euclidean transformations 2448:Euclidean transformations 1911:Quadrant (plane geometry) 1612:Notations and conventions 1601:oblique coordinate system 506:Gottfried Wilhelm Leibniz 202:as coordinates. The axes 6581:Smart, James R. (1998), 6197:Katz, Victor J. (2009). 6058:with the complex number 5738:in the direction of the 5420:-plane if observed from 3429:is given by the formula 593:geometric transformation 48:in blue, and the origin 6811:"Cartesian Coordinates" 6602:Calculus: Multivariable 6414:Axler, Sheldon (2015). 6313:"Cartesian coordinates" 6162:Encyclopædia Britannica 6127:Polar coordinate system 6111:Horizontal and vertical 5787:{\displaystyle (x,y,z)} 5270:Fixing or choosing the 5085:shearing transformation 4948:{\displaystyle A_{i,j}} 3390:{\displaystyle (x',y')} 2954:{\displaystyle \theta } 2624:{\displaystyle \theta } 1907:Octant (solid geometry) 1548:be identified with the 888:Three-dimensional space 709:given its coordinates. 685:lines (axes), a single 525:cylindrical coordinates 519:for the plane, and the 219:three-dimensional space 174:oriented lines, called 7022:Elementary mathematics 6830:Coordinates of a point 6458:A Tour of the Calculus 6122:Orthogonal coordinates 6030: 5969: 5909: 5846: 5788: 5728: 5677: 5624: 5575: 5444: 5381: 5373: 5267: 5225: 5152: 5059: 4949: 4914: 4686:Affine transformations 4682: 4663: 4503: 4388: 4340: 4245: 4109: 3993: 3891: 3865: 3695: 3628: 3517: 3423: 3391: 3349: 3300: 3272:affine transformations 3248: 3109: 2955: 2888: 2759: 2625: 2590: 2436: 2290: 2231: 2166: 2059: 2013: 1920: 1836:2D perspective drawing 1803:Computer graphics and 1768:) is measured along a 1579: 1534: 1512: 1458: 1272: 938: 641: 611:(function of the form 334:) can be described by 315: 158:uniquely by a pair of 53: 6607:John Wiley & Sons 6543:John Wiley & Sons 6031: 5970: 5910: 5847: 5789: 5729: 5678: 5625: 5576: 5442: 5379: 5371: 5274:-axis determines the 5262: 5226: 5153: 5060: 4950: 4915: 4680: 4673:Affine transformation 4664: 4504: 4389: 4341: 4246: 4133:affine transformation 4110: 3994: 3909:one, or, explicitly, 3892: 3866: 3696: 3629: 3518: 3424: 3422:{\displaystyle (x,y)} 3392: 3350: 3301: 3299:{\displaystyle (x,y)} 3249: 3110: 2956: 2889: 2760: 2626: 2591: 2437: 2291: 2232: 2167: 2060: 2014: 1918: 1901:Quadrants and octants 1640:) in the plane, and ( 1580: 1535: 1513: 1399: 1273: 895: 886:Further information: 699:Cartesian coordinates 665:Two-dimensional space 663:Further information: 642: 456:refers to the French 406:differential geometry 358:satisfy the equation 266: 223:Cartesian coordinates 35: 6967:Elliptic cylindrical 6703:, Murphy GM (1956). 5979: 5918: 5858: 5798: 5760: 5687: 5636: 5587: 5563: 5166: 5093: 5000: 4926: 4696: 4513: 4406: 4352: 4257: 4165: 4003: 3913: 3881: 3705: 3642: 3527: 3433: 3401: 3359: 3313: 3278: 3121: 2991: 2945: 2773: 2653: 2615: 2525: 2302: 2241: 2182: 2176:Pythagoras's theorem 2071: 2023: 1977: 1747:computer programming 1560: 1522: 1477: 1470:; that is, with the 995: 616: 569:linear interpolation 154:that specifies each 6982:Bipolar cylindrical 6158:"Analytic geometry" 5794:can be written as: 5364:In three dimensions 4098: 4074: 4050: 4026: 1402:coordinate surfaces 989:. The octants are: 856:-axis and from the 677:) is defined by an 418:graph of a function 6957:Prolate spheroidal 6808:Weisstein, Eric W. 6026: 6017: 5965: 5956: 5905: 5896: 5842: 5784: 5724: 5718: 5673: 5667: 5620: 5571: 5543:-axis as pointing 5507:to the horizontal 5445: 5428:-plane) is called 5382: 5374: 5268: 5221: 5148: 5055: 4945: 4910: 4901: 4855: 4822: 4683: 4659: 4650: 4499: 4490: 4446: 4384: 4336: 4241: 4105: 4078: 4054: 4030: 4006: 3989: 3903:orthogonal vectors 3887: 3861: 3859: 3691: 3685: 3624: 3618: 3513: 3498: 3466: 3419: 3387: 3345: 3336: 3296: 3244: 3105: 3103: 2951: 2884: 2755: 2753: 2621: 2586: 2432: 2286: 2227: 2162: 2055: 2009: 1971:Euclidean distance 1921: 1713:coordinates in an 1575: 1530: 1508: 1459: 1268: 1266: 939: 637: 561:degrees of freedom 491:Frans van Schooten 316: 54: 18:Cartesian equation 7017:Analytic geometry 7004: 7003: 6952:Oblate spheroidal 6920:Three dimensional 6761:978-0-07-043316-8 6735:978-0-387-18430-2 6647:978-0-87220-567-3 6616:978-1-119-77798-4 6592:978-0-534-35188-5 6583:Modern Geometries 6529:978-0-13-805326-0 6522:. Prentice Hall. 6506:978-0-07-338315-6 6487:978-0-521-59787-6 6435:978-3-319-11079-0 6266:Consider the two 6210:978-0-321-38700-4 5255:In two dimensions 3890:{\displaystyle A} 2482:glide reflections 2458:Euclidean motions 2427: 2157: 1933:counter-clockwise 1472:Cartesian product 1462:Higher dimensions 866:| and | 753:computer graphics 517:polar coordinates 434:computer graphics 394:analytic geometry 152:coordinate system 16:(Redirected from 7044: 6865: 6858: 6851: 6842: 6821: 6820: 6790: 6773: 6739: 6720: 6710: 6696: 6674: 6659: 6620: 6595: 6577: 6556: 6552:978-0470-88861-2 6541:(6th ed.). 6533: 6521: 6510: 6491: 6472: 6451: 6449: 6447: 6438:. Archived from 6401: 6396: 6390: 6384: 6378: 6369: 6363: 6357: 6351: 6345: 6339: 6334: 6328: 6327: 6325: 6323: 6309: 6303: 6302: 6300: 6298: 6284: 6271: 6264: 6258: 6252: 6246: 6241: 6235: 6229: 6223: 6222: 6194: 6188: 6179: 6173: 6172: 6170: 6168: 6153: 6083: 6071: 6057: 6035: 6033: 6032: 6027: 6022: 6021: 5986: 5974: 5972: 5971: 5966: 5961: 5960: 5925: 5914: 5912: 5911: 5906: 5901: 5900: 5865: 5851: 5849: 5848: 5843: 5838: 5827: 5816: 5805: 5793: 5791: 5790: 5785: 5733: 5731: 5730: 5725: 5723: 5722: 5694: 5682: 5680: 5679: 5674: 5672: 5671: 5643: 5629: 5627: 5626: 5621: 5616: 5605: 5594: 5580: 5578: 5577: 5572: 5570: 5396:along which the 5250:Axes conventions 5230: 5228: 5227: 5222: 5190: 5179: 5157: 5155: 5154: 5149: 5117: 5106: 5064: 5062: 5061: 5056: 5024: 5013: 4993: 4954: 4952: 4951: 4946: 4944: 4943: 4919: 4917: 4916: 4911: 4906: 4905: 4891: 4879: 4860: 4859: 4827: 4826: 4802: 4801: 4790: 4789: 4772: 4771: 4752: 4751: 4740: 4739: 4722: 4721: 4668: 4666: 4665: 4660: 4655: 4654: 4630: 4629: 4618: 4617: 4600: 4599: 4580: 4579: 4568: 4567: 4550: 4549: 4523: 4508: 4506: 4505: 4500: 4495: 4494: 4462: 4451: 4450: 4436: 4424: 4400:augmented matrix 4393: 4391: 4390: 4385: 4377: 4376: 4364: 4363: 4345: 4343: 4342: 4337: 4326: 4325: 4310: 4309: 4291: 4290: 4275: 4274: 4250: 4248: 4247: 4242: 4234: 4233: 4218: 4217: 4199: 4198: 4183: 4182: 4156: 4146: 4122: 4114: 4112: 4111: 4106: 4097: 4092: 4073: 4068: 4049: 4044: 4025: 4020: 3998: 3996: 3995: 3990: 3982: 3981: 3966: 3965: 3947: 3946: 3931: 3930: 3896: 3894: 3893: 3888: 3870: 3868: 3867: 3862: 3860: 3853: 3852: 3840: 3839: 3818: 3817: 3792: 3780: 3779: 3767: 3766: 3745: 3744: 3719: 3700: 3698: 3697: 3692: 3690: 3689: 3682: 3681: 3668: 3667: 3633: 3631: 3630: 3625: 3623: 3622: 3615: 3614: 3597: 3596: 3577: 3576: 3559: 3558: 3522: 3520: 3519: 3514: 3503: 3502: 3471: 3470: 3463: 3451: 3428: 3426: 3425: 3420: 3396: 3394: 3393: 3388: 3383: 3372: 3354: 3352: 3351: 3346: 3341: 3340: 3305: 3303: 3302: 3297: 3257:Glide reflection 3253: 3251: 3250: 3245: 3145: 3134: 3114: 3112: 3111: 3106: 3104: 3057: 3005: 2984: 2972: 2960: 2958: 2957: 2952: 2940: 2924: 2912: 2893: 2891: 2890: 2885: 2797: 2786: 2764: 2762: 2761: 2756: 2754: 2713: 2667: 2630: 2628: 2627: 2622: 2609:counterclockwise 2595: 2593: 2592: 2587: 2549: 2538: 2518: 2506: 2441: 2439: 2438: 2433: 2428: 2426: 2425: 2416: 2415: 2403: 2402: 2387: 2386: 2377: 2376: 2364: 2363: 2348: 2347: 2338: 2337: 2325: 2324: 2312: 2295: 2293: 2292: 2287: 2282: 2281: 2269: 2268: 2256: 2255: 2236: 2234: 2233: 2228: 2223: 2222: 2210: 2209: 2197: 2196: 2171: 2169: 2168: 2163: 2158: 2156: 2155: 2146: 2145: 2133: 2132: 2117: 2116: 2107: 2106: 2094: 2093: 2081: 2064: 2062: 2061: 2056: 2051: 2050: 2038: 2037: 2018: 2016: 2015: 2010: 2005: 2004: 1992: 1991: 1949: 1945: 1864:right-handedness 1805:image processing 1627: 1623: 1584: 1582: 1581: 1576: 1574: 1573: 1568: 1539: 1537: 1536: 1531: 1529: 1517: 1515: 1514: 1509: 1507: 1499: 1491: 1490: 1485: 1456: 1448: 1441: 1434: 1419: 1385: 1319: 1315: 1311: 1307: 1303: 1283: 1277: 1275: 1274: 1269: 1267: 1232: 1199: 1166: 1099: 1066: 1033: 981:coordinate plane 936: 932: 925: 918: 882:Three dimensions 871: 865: 860:-axis are | 847: 813: 809: 796: 795: 747: 743: 739: 735: 648: 646: 644: 643: 638: 587: 583: 473:Pierre de Fermat 402:complex analysis 368: 357: 351: 309: 289: 255: 249: 236: 230: 208:orthogonal basis 201: 177:coordinate lines 166:, which are the 145: 144: 141: 140: 137: 134: 131: 128: 125: 122: 119: 112: 104: 103: 100: 99: 96: 93: 90: 87: 84: 81: 78: 71: 51: 47: 43: 39: 21: 7052: 7051: 7047: 7046: 7045: 7043: 7042: 7041: 7007: 7006: 7005: 7000: 6915: 6879:Two dimensional 6874: 6869: 6806: 6805: 6797: 6776: 6762: 6742: 6736: 6723: 6699: 6662: 6648: 6632:Descartes, René 6630: 6627: 6625:Further reading 6617: 6609:. p. 657. 6598: 6593: 6580: 6574: 6559: 6553: 6536: 6530: 6513: 6507: 6494: 6488: 6475: 6469: 6454: 6445: 6443: 6436: 6413: 6410: 6405: 6404: 6397: 6393: 6385: 6381: 6370: 6366: 6358: 6354: 6346: 6342: 6335: 6331: 6321: 6319: 6311: 6310: 6306: 6296: 6294: 6286: 6285: 6274: 6265: 6261: 6253: 6249: 6242: 6238: 6230: 6226: 6211: 6196: 6195: 6191: 6180: 6176: 6166: 6164: 6155: 6154: 6150: 6145: 6102: 6081: 6059: 6047: 6044:complex numbers 6016: 6015: 6009: 6008: 6002: 6001: 5991: 5977: 5976: 5955: 5954: 5948: 5947: 5941: 5940: 5930: 5916: 5915: 5895: 5894: 5888: 5887: 5881: 5880: 5870: 5856: 5855: 5796: 5795: 5758: 5757: 5717: 5716: 5710: 5709: 5699: 5685: 5684: 5666: 5665: 5659: 5658: 5648: 5634: 5633: 5585: 5584: 5561: 5560: 5553: 5449:right-hand rule 5366: 5335:right-hand rule 5265:right-hand rule 5257: 5252: 5246:Right-hand rule 5242: 5236: 5183: 5172: 5164: 5163: 5110: 5099: 5091: 5090: 5081: 5017: 5006: 4998: 4997: 4983: 4975: 4929: 4924: 4923: 4900: 4899: 4893: 4892: 4884: 4881: 4880: 4872: 4865: 4854: 4853: 4847: 4846: 4840: 4839: 4829: 4821: 4820: 4815: 4810: 4804: 4803: 4793: 4791: 4775: 4773: 4757: 4754: 4753: 4743: 4741: 4725: 4723: 4707: 4700: 4694: 4693: 4690:Euclidean plane 4675: 4649: 4648: 4643: 4638: 4632: 4631: 4621: 4619: 4603: 4601: 4585: 4582: 4581: 4571: 4569: 4553: 4551: 4535: 4528: 4516: 4511: 4510: 4489: 4488: 4482: 4481: 4475: 4474: 4464: 4455: 4445: 4444: 4438: 4437: 4429: 4426: 4425: 4417: 4410: 4404: 4403: 4368: 4355: 4350: 4349: 4311: 4295: 4276: 4260: 4255: 4254: 4219: 4203: 4184: 4168: 4163: 4162: 4159:rotation matrix 4152: 4149:identity matrix 4142: 4129:identity matrix 4118: 4001: 4000: 3967: 3951: 3932: 3916: 3911: 3910: 3879: 3878: 3858: 3857: 3844: 3825: 3803: 3793: 3785: 3782: 3781: 3771: 3752: 3730: 3720: 3712: 3703: 3702: 3684: 3683: 3673: 3670: 3669: 3659: 3652: 3640: 3639: 3617: 3616: 3600: 3598: 3582: 3579: 3578: 3562: 3560: 3544: 3537: 3525: 3524: 3497: 3496: 3490: 3489: 3479: 3465: 3464: 3456: 3453: 3452: 3444: 3437: 3431: 3430: 3399: 3398: 3376: 3365: 3357: 3356: 3335: 3334: 3328: 3327: 3317: 3311: 3310: 3276: 3275: 3268: 3259: 3138: 3127: 3119: 3118: 3102: 3101: 3058: 3050: 3047: 3046: 3006: 2998: 2989: 2988: 2974: 2962: 2943: 2942: 2930: 2914: 2902: 2899: 2790: 2779: 2771: 2770: 2752: 2751: 2714: 2706: 2703: 2702: 2668: 2660: 2651: 2650: 2613: 2612: 2601: 2542: 2531: 2523: 2522: 2508: 2496: 2490: 2466:Euclidean plane 2450: 2417: 2407: 2394: 2378: 2368: 2355: 2339: 2329: 2316: 2300: 2299: 2273: 2260: 2247: 2239: 2238: 2214: 2201: 2188: 2180: 2179: 2147: 2137: 2124: 2108: 2098: 2085: 2069: 2068: 2042: 2029: 2021: 2020: 1996: 1983: 1975: 1974: 1967: 1962: 1947: 1943: 1913: 1905:Main articles: 1903: 1860:right-hand rule 1813:display buffers 1753:, instead of a 1744: 1734: 1727: 1708: 1699: 1692: 1625: 1621: 1614: 1591: 1589:Generalizations 1563: 1558: 1557: 1542:Euclidean space 1520: 1519: 1480: 1475: 1474: 1464: 1454: 1443: 1436: 1429: 1405: 1390:right-hand rule 1383: 1317: 1313: 1309: 1305: 1285: 1281: 1265: 1264: 1231: 1198: 1165: 1132: 1131: 1098: 1065: 1032: 993: 992: 934: 927: 920: 913: 900:and axis lines 890: 884: 867: 861: 837: 811: 807: 794:Cartesian plane 793: 792: 788:Euclidean plane 745: 741: 737: 733: 667: 661: 614: 613: 612: 609:linear function 585: 581: 546: 540: 533: 450: 408:, multivariate 359: 353: 347: 299: 268: 251: 245: 239:Euclidean space 232: 226: 212:Cartesian frame 199: 182:coordinate axes 116: 107: 106: 75: 66: 65: 49: 45: 41: 37: 28: 23: 22: 15: 12: 11: 5: 7050: 7048: 7040: 7039: 7034: 7029: 7027:René Descartes 7024: 7019: 7009: 7008: 7002: 7001: 6999: 6998: 6996: 6994: 6989: 6984: 6979: 6974: 6969: 6964: 6959: 6954: 6949: 6944: 6939: 6934: 6929: 6923: 6921: 6917: 6916: 6914: 6913: 6908: 6903: 6898: 6888: 6882: 6880: 6876: 6875: 6870: 6868: 6867: 6860: 6853: 6845: 6839: 6838: 6833: 6827: 6822: 6803: 6796: 6795:External links 6793: 6792: 6791: 6774: 6760: 6740: 6734: 6721: 6697: 6660: 6646: 6626: 6623: 6622: 6621: 6615: 6596: 6591: 6578: 6572: 6557: 6551: 6534: 6528: 6511: 6505: 6492: 6486: 6473: 6467: 6452: 6442:on 27 May 2022 6434: 6409: 6406: 6403: 6402: 6399:Griffiths 1999 6391: 6379: 6364: 6352: 6340: 6329: 6317:planetmath.org 6304: 6272: 6259: 6247: 6244:Berlinski 2011 6236: 6224: 6209: 6189: 6174: 6147: 6146: 6144: 6141: 6140: 6139: 6134: 6129: 6124: 6119: 6113: 6108: 6101: 6098: 6078:imaginary unit 6025: 6020: 6014: 6011: 6010: 6007: 6004: 6003: 6000: 5997: 5996: 5994: 5989: 5985: 5964: 5959: 5953: 5950: 5949: 5946: 5943: 5942: 5939: 5936: 5935: 5933: 5928: 5924: 5904: 5899: 5893: 5890: 5889: 5886: 5883: 5882: 5879: 5876: 5875: 5873: 5868: 5864: 5841: 5837: 5833: 5830: 5826: 5822: 5819: 5815: 5811: 5808: 5804: 5783: 5780: 5777: 5774: 5771: 5768: 5765: 5749:standard basis 5721: 5715: 5712: 5711: 5708: 5705: 5704: 5702: 5697: 5693: 5670: 5664: 5661: 5660: 5657: 5654: 5653: 5651: 5646: 5642: 5619: 5615: 5611: 5608: 5604: 5600: 5597: 5593: 5569: 5552: 5549: 5365: 5362: 5351:left-hand rule 5256: 5253: 5238:Main article: 5235: 5232: 5220: 5217: 5214: 5211: 5208: 5205: 5202: 5199: 5196: 5193: 5189: 5186: 5182: 5178: 5175: 5171: 5147: 5144: 5141: 5138: 5135: 5132: 5129: 5126: 5123: 5120: 5116: 5113: 5109: 5105: 5102: 5098: 5080: 5077: 5054: 5051: 5048: 5045: 5042: 5039: 5036: 5033: 5030: 5027: 5023: 5020: 5016: 5012: 5009: 5005: 4974: 4971: 4942: 4939: 4936: 4932: 4909: 4904: 4898: 4895: 4894: 4890: 4887: 4883: 4882: 4878: 4875: 4871: 4870: 4868: 4863: 4858: 4852: 4849: 4848: 4845: 4842: 4841: 4838: 4835: 4834: 4832: 4825: 4819: 4816: 4814: 4811: 4809: 4806: 4805: 4800: 4796: 4792: 4788: 4785: 4782: 4778: 4774: 4770: 4767: 4764: 4760: 4756: 4755: 4750: 4746: 4742: 4738: 4735: 4732: 4728: 4724: 4720: 4717: 4714: 4710: 4706: 4705: 4703: 4674: 4671: 4658: 4653: 4647: 4644: 4642: 4639: 4637: 4634: 4633: 4628: 4624: 4620: 4616: 4613: 4610: 4606: 4602: 4598: 4595: 4592: 4588: 4584: 4583: 4578: 4574: 4570: 4566: 4563: 4560: 4556: 4552: 4548: 4545: 4542: 4538: 4534: 4533: 4531: 4526: 4522: 4519: 4498: 4493: 4487: 4484: 4483: 4480: 4477: 4476: 4473: 4470: 4469: 4467: 4461: 4458: 4454: 4449: 4443: 4440: 4439: 4435: 4432: 4428: 4427: 4423: 4420: 4416: 4415: 4413: 4383: 4380: 4375: 4371: 4367: 4362: 4358: 4335: 4332: 4329: 4324: 4321: 4318: 4314: 4308: 4305: 4302: 4298: 4294: 4289: 4286: 4283: 4279: 4273: 4270: 4267: 4263: 4240: 4237: 4232: 4229: 4226: 4222: 4216: 4213: 4210: 4206: 4202: 4197: 4194: 4191: 4187: 4181: 4178: 4175: 4171: 4140:if and only if 4104: 4101: 4096: 4091: 4088: 4085: 4081: 4077: 4072: 4067: 4064: 4061: 4057: 4053: 4048: 4043: 4040: 4037: 4033: 4029: 4024: 4019: 4016: 4013: 4009: 3988: 3985: 3980: 3977: 3974: 3970: 3964: 3961: 3958: 3954: 3950: 3945: 3942: 3939: 3935: 3929: 3926: 3923: 3919: 3907:Euclidean norm 3886: 3856: 3851: 3847: 3843: 3838: 3835: 3832: 3828: 3824: 3821: 3816: 3813: 3810: 3806: 3802: 3799: 3796: 3794: 3791: 3788: 3784: 3783: 3778: 3774: 3770: 3765: 3762: 3759: 3755: 3751: 3748: 3743: 3740: 3737: 3733: 3729: 3726: 3723: 3721: 3718: 3715: 3711: 3710: 3688: 3680: 3676: 3672: 3671: 3666: 3662: 3658: 3657: 3655: 3650: 3647: 3621: 3613: 3610: 3607: 3603: 3599: 3595: 3592: 3589: 3585: 3581: 3580: 3575: 3572: 3569: 3565: 3561: 3557: 3554: 3551: 3547: 3543: 3542: 3540: 3535: 3532: 3512: 3509: 3506: 3501: 3495: 3492: 3491: 3488: 3485: 3484: 3482: 3477: 3474: 3469: 3462: 3459: 3455: 3454: 3450: 3447: 3443: 3442: 3440: 3418: 3415: 3412: 3409: 3406: 3386: 3382: 3379: 3375: 3371: 3368: 3364: 3344: 3339: 3333: 3330: 3329: 3326: 3323: 3322: 3320: 3295: 3292: 3289: 3286: 3283: 3267: 3264: 3258: 3255: 3243: 3240: 3237: 3233: 3230: 3227: 3224: 3221: 3218: 3215: 3212: 3209: 3206: 3203: 3200: 3197: 3194: 3190: 3187: 3184: 3181: 3178: 3175: 3172: 3169: 3166: 3163: 3160: 3157: 3154: 3151: 3148: 3144: 3141: 3137: 3133: 3130: 3126: 3100: 3097: 3094: 3091: 3088: 3085: 3082: 3079: 3076: 3073: 3070: 3067: 3064: 3061: 3059: 3056: 3053: 3049: 3048: 3045: 3042: 3039: 3036: 3033: 3030: 3027: 3024: 3021: 3018: 3015: 3012: 3009: 3007: 3004: 3001: 2997: 2996: 2950: 2898: 2895: 2883: 2880: 2877: 2873: 2870: 2867: 2864: 2861: 2858: 2855: 2852: 2849: 2846: 2843: 2840: 2836: 2833: 2830: 2827: 2824: 2821: 2818: 2815: 2812: 2809: 2806: 2803: 2800: 2796: 2793: 2789: 2785: 2782: 2778: 2750: 2747: 2744: 2741: 2738: 2735: 2732: 2729: 2726: 2723: 2720: 2717: 2715: 2712: 2709: 2705: 2704: 2701: 2698: 2695: 2692: 2689: 2686: 2683: 2680: 2677: 2674: 2671: 2669: 2666: 2663: 2659: 2658: 2620: 2600: 2597: 2585: 2582: 2579: 2576: 2573: 2570: 2567: 2564: 2561: 2558: 2555: 2552: 2548: 2545: 2541: 2537: 2534: 2530: 2489: 2486: 2449: 2446: 2431: 2424: 2420: 2414: 2410: 2406: 2401: 2397: 2393: 2390: 2385: 2381: 2375: 2371: 2367: 2362: 2358: 2354: 2351: 2346: 2342: 2336: 2332: 2328: 2323: 2319: 2315: 2310: 2307: 2285: 2280: 2276: 2272: 2267: 2263: 2259: 2254: 2250: 2246: 2226: 2221: 2217: 2213: 2208: 2204: 2200: 2195: 2191: 2187: 2161: 2154: 2150: 2144: 2140: 2136: 2131: 2127: 2123: 2120: 2115: 2111: 2105: 2101: 2097: 2092: 2088: 2084: 2079: 2076: 2054: 2049: 2045: 2041: 2036: 2032: 2028: 2008: 2003: 1999: 1995: 1990: 1986: 1982: 1966: 1963: 1961: 1958: 1929:Roman numerals 1902: 1899: 1739: 1732: 1725: 1704: 1697: 1690: 1613: 1610: 1590: 1587: 1572: 1567: 1528: 1506: 1502: 1498: 1494: 1489: 1484: 1463: 1460: 1263: 1260: 1257: 1254: 1251: 1248: 1245: 1242: 1239: 1236: 1233: 1230: 1227: 1224: 1221: 1218: 1215: 1212: 1209: 1206: 1203: 1200: 1197: 1194: 1191: 1188: 1185: 1182: 1179: 1176: 1173: 1170: 1167: 1164: 1161: 1158: 1155: 1152: 1149: 1146: 1143: 1140: 1137: 1134: 1133: 1130: 1127: 1124: 1121: 1118: 1115: 1112: 1109: 1106: 1103: 1100: 1097: 1094: 1091: 1088: 1085: 1082: 1079: 1076: 1073: 1070: 1067: 1064: 1061: 1058: 1055: 1052: 1049: 1046: 1043: 1040: 1037: 1034: 1031: 1028: 1025: 1022: 1019: 1016: 1013: 1010: 1007: 1004: 1001: 1000: 883: 880: 874:absolute value 831:first quadrant 816:unit hyperbola 687:unit of length 660: 659:Two dimensions 657: 636: 633: 630: 627: 624: 621: 599:, for example 559:There are two 542:Main article: 539: 536: 532: 529: 465:René Descartes 452:The adjective 449: 446: 398:linear algebra 320:René Descartes 314:is the radius. 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 7049: 7038: 7035: 7033: 7030: 7028: 7025: 7023: 7020: 7018: 7015: 7014: 7012: 6997: 6995: 6993: 6990: 6988: 6985: 6983: 6980: 6978: 6975: 6973: 6970: 6968: 6965: 6963: 6960: 6958: 6955: 6953: 6950: 6948: 6945: 6943: 6940: 6938: 6935: 6933: 6930: 6928: 6925: 6924: 6922: 6918: 6912: 6909: 6907: 6904: 6902: 6899: 6896: 6892: 6889: 6887: 6884: 6883: 6881: 6877: 6873: 6866: 6861: 6859: 6854: 6852: 6847: 6846: 6843: 6837: 6834: 6831: 6828: 6826: 6823: 6818: 6817: 6812: 6809: 6804: 6802: 6799: 6798: 6794: 6788: 6784: 6780: 6775: 6771: 6767: 6763: 6757: 6753: 6749: 6745: 6741: 6737: 6731: 6727: 6722: 6718: 6714: 6709: 6708: 6702: 6698: 6694: 6690: 6686: 6682: 6678: 6673: 6672: 6666: 6661: 6657: 6653: 6649: 6643: 6639: 6638: 6633: 6629: 6628: 6624: 6618: 6612: 6608: 6604: 6603: 6597: 6594: 6588: 6584: 6579: 6575: 6573:9781317568216 6569: 6566:. Routledge. 6565: 6564: 6558: 6554: 6548: 6544: 6540: 6535: 6531: 6525: 6520: 6519: 6512: 6508: 6502: 6498: 6493: 6489: 6483: 6479: 6474: 6470: 6468:9780307789730 6464: 6460: 6459: 6453: 6441: 6437: 6431: 6427: 6423: 6419: 6418: 6412: 6411: 6407: 6400: 6395: 6392: 6388: 6383: 6380: 6377: 6373: 6368: 6365: 6361: 6356: 6353: 6349: 6344: 6341: 6338: 6333: 6330: 6318: 6314: 6308: 6305: 6293: 6289: 6283: 6281: 6279: 6277: 6273: 6269: 6263: 6260: 6256: 6251: 6248: 6245: 6240: 6237: 6233: 6228: 6225: 6220: 6216: 6212: 6206: 6202: 6201: 6193: 6190: 6187: 6183: 6178: 6175: 6163: 6159: 6152: 6149: 6142: 6138: 6135: 6133: 6130: 6128: 6125: 6123: 6120: 6117: 6116:Jones diagram 6114: 6112: 6109: 6107: 6104: 6103: 6099: 6097: 6095: 6091: 6087: 6079: 6075: 6070: 6066: 6062: 6055: 6051: 6045: 6041: 6036: 6023: 6018: 6012: 6005: 5998: 5992: 5987: 5962: 5957: 5951: 5944: 5937: 5931: 5926: 5902: 5897: 5891: 5884: 5877: 5871: 5866: 5852: 5839: 5831: 5828: 5820: 5817: 5809: 5806: 5778: 5775: 5772: 5769: 5766: 5755: 5751: 5750: 5745: 5741: 5737: 5719: 5713: 5706: 5700: 5695: 5668: 5662: 5655: 5649: 5644: 5630: 5617: 5609: 5606: 5598: 5595: 5582: 5558: 5550: 5548: 5546: 5542: 5538: 5534: 5528: 5526: 5522: 5518: 5515:-axis to the 5514: 5510: 5506: 5502: 5498: 5492: 5490: 5486: 5482: 5478: 5474: 5470: 5466: 5462: 5458: 5457:middle finger 5454: 5450: 5441: 5437: 5435: 5431: 5427: 5423: 5419: 5415: 5411: 5407: 5403: 5399: 5395: 5391: 5387: 5378: 5370: 5363: 5361: 5357: 5354: 5352: 5347: 5345: 5342:-axis to the 5341: 5337: 5336: 5330: 5329:orientation. 5328: 5324: 5320: 5316: 5312: 5308: 5304: 5299: 5297: 5293: 5289: 5285: 5284:perpendicular 5281: 5277: 5273: 5266: 5261: 5254: 5251: 5247: 5241: 5240:Orientability 5233: 5231: 5215: 5212: 5209: 5206: 5203: 5200: 5194: 5187: 5184: 5180: 5176: 5173: 5161: 5158: 5142: 5139: 5136: 5133: 5130: 5127: 5121: 5114: 5111: 5107: 5103: 5100: 5088: 5086: 5078: 5076: 5074: 5070: 5065: 5052: 5046: 5043: 5040: 5037: 5034: 5028: 5021: 5018: 5014: 5010: 5007: 4995: 4991: 4987: 4981: 4972: 4970: 4967: 4965: 4960: 4958: 4940: 4937: 4934: 4930: 4920: 4907: 4902: 4896: 4888: 4885: 4876: 4873: 4866: 4861: 4856: 4850: 4843: 4836: 4830: 4823: 4817: 4812: 4807: 4798: 4794: 4786: 4783: 4780: 4776: 4768: 4765: 4762: 4758: 4748: 4744: 4736: 4733: 4730: 4726: 4718: 4715: 4712: 4708: 4701: 4691: 4687: 4679: 4672: 4670: 4656: 4651: 4645: 4640: 4635: 4626: 4622: 4614: 4611: 4608: 4604: 4596: 4593: 4590: 4586: 4576: 4572: 4564: 4561: 4558: 4554: 4546: 4543: 4540: 4536: 4529: 4524: 4520: 4517: 4496: 4491: 4485: 4478: 4471: 4465: 4459: 4456: 4452: 4447: 4441: 4433: 4430: 4421: 4418: 4411: 4401: 4397: 4381: 4378: 4373: 4369: 4365: 4360: 4356: 4346: 4333: 4330: 4327: 4322: 4319: 4316: 4312: 4306: 4303: 4300: 4296: 4292: 4287: 4284: 4281: 4277: 4271: 4268: 4265: 4261: 4251: 4238: 4235: 4230: 4227: 4224: 4220: 4214: 4211: 4208: 4204: 4200: 4195: 4192: 4189: 4185: 4179: 4176: 4173: 4169: 4160: 4155: 4150: 4145: 4141: 4136: 4134: 4130: 4126: 4121: 4115: 4102: 4099: 4094: 4089: 4086: 4083: 4079: 4075: 4070: 4065: 4062: 4059: 4055: 4051: 4046: 4041: 4038: 4035: 4031: 4027: 4022: 4017: 4014: 4011: 4007: 3986: 3983: 3978: 3975: 3972: 3968: 3962: 3959: 3956: 3952: 3948: 3943: 3940: 3937: 3933: 3927: 3924: 3921: 3917: 3908: 3904: 3900: 3884: 3876: 3871: 3854: 3849: 3845: 3841: 3836: 3833: 3830: 3826: 3822: 3819: 3814: 3811: 3808: 3804: 3800: 3797: 3795: 3789: 3786: 3776: 3772: 3768: 3763: 3760: 3757: 3753: 3749: 3746: 3741: 3738: 3735: 3731: 3727: 3724: 3722: 3716: 3713: 3686: 3678: 3674: 3664: 3660: 3653: 3648: 3645: 3637: 3619: 3611: 3608: 3605: 3601: 3593: 3590: 3587: 3583: 3573: 3570: 3567: 3563: 3555: 3552: 3549: 3545: 3538: 3533: 3530: 3510: 3507: 3504: 3499: 3493: 3486: 3480: 3475: 3472: 3467: 3460: 3457: 3448: 3445: 3438: 3413: 3410: 3407: 3380: 3377: 3373: 3369: 3366: 3342: 3337: 3331: 3324: 3318: 3309: 3308:column matrix 3290: 3287: 3284: 3273: 3265: 3263: 3256: 3254: 3241: 3231: 3228: 3225: 3222: 3219: 3216: 3213: 3210: 3207: 3204: 3201: 3195: 3188: 3185: 3182: 3179: 3176: 3173: 3170: 3167: 3164: 3161: 3158: 3149: 3142: 3139: 3135: 3131: 3128: 3115: 3098: 3095: 3092: 3089: 3086: 3083: 3080: 3077: 3074: 3071: 3068: 3065: 3062: 3060: 3054: 3051: 3043: 3040: 3037: 3034: 3031: 3028: 3025: 3022: 3019: 3016: 3013: 3010: 3008: 3002: 2999: 2986: 2982: 2978: 2970: 2966: 2948: 2938: 2934: 2928: 2922: 2918: 2910: 2906: 2896: 2894: 2881: 2871: 2868: 2865: 2862: 2859: 2856: 2853: 2850: 2847: 2841: 2834: 2831: 2828: 2825: 2822: 2819: 2816: 2813: 2810: 2801: 2794: 2791: 2787: 2783: 2780: 2768: 2765: 2748: 2745: 2742: 2739: 2736: 2733: 2730: 2727: 2724: 2721: 2718: 2716: 2710: 2707: 2699: 2696: 2693: 2690: 2687: 2684: 2681: 2678: 2675: 2672: 2670: 2664: 2661: 2648: 2646: 2642: 2638: 2634: 2618: 2610: 2606: 2598: 2596: 2583: 2577: 2574: 2571: 2568: 2565: 2562: 2559: 2553: 2546: 2543: 2539: 2535: 2532: 2520: 2516: 2512: 2504: 2500: 2494: 2487: 2485: 2483: 2479: 2475: 2471: 2467: 2463: 2459: 2455: 2447: 2445: 2442: 2429: 2422: 2412: 2408: 2404: 2399: 2395: 2388: 2383: 2373: 2369: 2365: 2360: 2356: 2349: 2344: 2334: 2330: 2326: 2321: 2317: 2308: 2305: 2297: 2278: 2274: 2270: 2265: 2261: 2257: 2252: 2248: 2219: 2215: 2211: 2206: 2202: 2198: 2193: 2189: 2177: 2172: 2159: 2152: 2142: 2138: 2134: 2129: 2125: 2118: 2113: 2103: 2099: 2095: 2090: 2086: 2077: 2074: 2066: 2047: 2043: 2039: 2034: 2030: 2001: 1997: 1993: 1988: 1984: 1972: 1964: 1959: 1957: 1955: 1954: 1941: 1936: 1934: 1930: 1926: 1917: 1912: 1908: 1900: 1898: 1896: 1892: 1888: 1884: 1880: 1876: 1872: 1867: 1865: 1861: 1857: 1853: 1849: 1845: 1841: 1837: 1833: 1832:3D projection 1829: 1825: 1821: 1816: 1814: 1810: 1806: 1801: 1799: 1795: 1791: 1787: 1783: 1779: 1775: 1771: 1767: 1762: 1760: 1756: 1752: 1748: 1742: 1738: 1731: 1724: 1720: 1716: 1712: 1707: 1703: 1696: 1689: 1684: 1682: 1678: 1674: 1670: 1666: 1662: 1658: 1653: 1651: 1647: 1643: 1639: 1635: 1631: 1619: 1611: 1609: 1607: 1603: 1602: 1597: 1588: 1586: 1570: 1555: 1551: 1547: 1544:of dimension 1543: 1500: 1492: 1487: 1473: 1469: 1461: 1452: 1446: 1439: 1432: 1427: 1423: 1417: 1413: 1409: 1403: 1398: 1394: 1392: 1391: 1381: 1377: 1372: 1370: 1366: 1362: 1358: 1354: 1350: 1346: 1342: 1338: 1334: 1330: 1326: 1321: 1301: 1297: 1293: 1289: 1278: 1258: 1255: 1252: 1249: 1246: 1243: 1240: 1237: 1225: 1222: 1219: 1216: 1213: 1210: 1207: 1204: 1192: 1189: 1186: 1183: 1180: 1177: 1174: 1171: 1159: 1156: 1153: 1150: 1147: 1144: 1141: 1138: 1125: 1122: 1119: 1116: 1113: 1110: 1107: 1104: 1092: 1089: 1086: 1083: 1080: 1077: 1074: 1071: 1059: 1056: 1053: 1050: 1047: 1044: 1041: 1038: 1026: 1023: 1020: 1017: 1014: 1011: 1008: 1005: 990: 988: 987: 982: 977: 975: 971: 966: 964: 960: 956: 952: 948: 944: 930: 923: 916: 911: 907: 903: 899: 894: 889: 881: 879: 877: 876:of a number. 875: 870: 864: 859: 855: 851: 845: 841: 834: 832: 828: 824: 819: 818:, and so on. 817: 805: 801: 797: 789: 784: 782: 778: 774: 770: 766: 762: 758: 754: 749: 731: 727: 723: 722: 717: 716: 710: 708: 704: 700: 696: 692: 688: 684: 683:perpendicular 680: 676: 672: 666: 658: 656: 654: 652: 634: 631: 628: 625: 619: 610: 606: 602: 598: 594: 589: 578: 574: 570: 566: 562: 557: 555: 551: 545: 538:One dimension 537: 535: 530: 528: 526: 522: 518: 513: 511: 510:vector spaces 507: 503: 499: 494: 492: 488: 487: 480: 478: 477:Nicole Oresme 474: 470: 466: 463: 459: 458:mathematician 455: 447: 445: 443: 439: 435: 431: 427: 423: 419: 415: 411: 407: 403: 399: 395: 390: 388: 384: 380: 376: 372: 366: 362: 356: 350: 345: 341: 337: 333: 329: 325: 321: 313: 307: 303: 297: 293: 288: 284: 280: 276: 272: 265: 261: 259: 254: 248: 244: 240: 237:-dimensional 235: 229: 224: 220: 215: 213: 209: 206:represent an 205: 197: 196: 191: 187: 183: 179: 178: 173: 172:perpendicular 169: 165: 161: 157: 153: 149: 143: 110: 102: 69: 63: 59: 34: 30: 19: 6947:Paraboloidal 6926: 6885: 6814: 6778: 6751: 6725: 6706: 6670: 6636: 6601: 6582: 6562: 6538: 6517: 6496: 6477: 6457: 6444:. Retrieved 6440:the original 6416: 6394: 6382: 6367: 6355: 6343: 6332: 6320:. Retrieved 6316: 6307: 6295:. Retrieved 6291: 6262: 6250: 6239: 6227: 6199: 6192: 6177: 6165:. Retrieved 6161: 6151: 6132:Regular grid 6089: 6085: 6073: 6068: 6064: 6060: 6053: 6049: 6039: 6038:There is no 6037: 5853: 5747: 5743: 5739: 5736:unit vectors 5631: 5583: 5554: 5544: 5540: 5529: 5524: 5520: 5516: 5512: 5508: 5504: 5500: 5496: 5493: 5488: 5484: 5480: 5477:right-handed 5476: 5472: 5468: 5464: 5453:index finger 5446: 5433: 5430:right-handed 5429: 5425: 5421: 5417: 5413: 5409: 5405: 5401: 5397: 5389: 5385: 5383: 5358: 5355: 5350: 5348: 5343: 5339: 5333: 5331: 5327:right-handed 5326: 5322: 5318: 5314: 5310: 5306: 5302: 5300: 5295: 5291: 5287: 5279: 5275: 5271: 5269: 5162: 5159: 5089: 5082: 5072: 5068: 5066: 4996: 4989: 4985: 4979: 4976: 4968: 4961: 4921: 4684: 4347: 4252: 4153: 4143: 4137: 4119: 4116: 3872: 3269: 3260: 3116: 2987: 2980: 2976: 2968: 2964: 2936: 2932: 2920: 2916: 2908: 2904: 2900: 2769: 2766: 2649: 2644: 2640: 2636: 2632: 2602: 2521: 2514: 2510: 2502: 2498: 2491: 2470:translations 2457: 2451: 2443: 2298: 2173: 2067: 1968: 1951: 1939: 1937: 1924: 1922: 1894: 1890: 1886: 1885:. The words 1882: 1878: 1874: 1870: 1868: 1851: 1847: 1843: 1839: 1838:) shows the 1827: 1823: 1819: 1817: 1808: 1802: 1797: 1793: 1789: 1785: 1781: 1763: 1740: 1736: 1729: 1722: 1718: 1714: 1710: 1705: 1701: 1694: 1687: 1685: 1680: 1676: 1672: 1668: 1664: 1659:varies with 1654: 1649: 1645: 1641: 1637: 1633: 1629: 1615: 1606:affine plane 1599: 1592: 1553: 1545: 1468:real numbers 1465: 1450: 1444: 1437: 1430: 1425: 1421: 1415: 1411: 1407: 1387: 1379: 1375: 1373: 1368: 1367:-plane, and 1364: 1360: 1356: 1352: 1348: 1344: 1340: 1336: 1332: 1328: 1324: 1322: 1299: 1295: 1291: 1287: 1282:(3, −2.5, 1) 1279: 991: 984: 980: 978: 973: 969: 967: 962: 958: 954: 950: 946: 942: 940: 928: 921: 914: 909: 905: 901: 897: 878: 868: 862: 857: 853: 843: 839: 835: 830: 826: 823:right angles 820: 791: 785: 780: 776: 772: 768: 764: 760: 756: 750: 729: 725: 719: 713: 711: 706: 702: 698: 694: 690: 679:ordered pair 674: 670: 668: 655: 590: 572: 565:real numbers 558: 553: 547: 534: 514: 502:Isaac Newton 495: 486:La Géométrie 484: 481: 453: 451: 414:group theory 391: 379:tangent line 364: 360: 354: 348: 317: 311: 305: 301: 295: 291: 286: 282: 278: 274: 270: 252: 246: 233: 227: 222: 216: 211: 193: 189: 185: 181: 175: 163: 160:real numbers 61: 55: 46:(−1.5, −2.5) 29: 6977:Bispherical 6962:Ellipsoidal 6932:Cylindrical 6257:, p. 1 6232:Burton 2011 6094:quaternions 6084:, so it is 5535:cube and a 5521:in front of 5475:-axes in a 4964:composition 3355:The result 2493:Translating 2488:Translation 2478:reflections 1856:perspective 1618:parentheses 1552:(lists) of 1355:-axis, and 848:, then its 804:unit square 800:unit circle 601:translation 554:number line 550:affine line 544:Number line 531:Description 469:Netherlands 462:philosopher 430:engineering 387:derivatives 258:hyperplanes 188:(plural of 164:coordinates 7011:Categories 6748:Feshbach H 6701:Margenau H 6374:, p.  6348:Smart 1998 6255:Axler 2015 5742:-axis and 5412:- and the 5296:handedness 5244:See also: 4957:orthogonal 4123:times its 3899:orthogonal 2927:reflection 2897:Reflection 1770:horizontal 1709:) for the 1596:hyperplane 779:-axis and 734:(3, −10.5) 651:affine map 440:and other 204:directions 52:in purple. 40:in green, 6942:Parabolic 6937:Spherical 6927:Cartesian 6901:Parabolic 6895:Log-polar 6886:Cartesian 6816:MathWorld 6663:Korn GA, 6656:488633510 6350:, Chap. 2 6322:25 August 6234:, p. 374. 6143:Citations 5451:. If the 5384:Once the 4331:− 4293:− 4201:− 4125:transpose 3634:is a 2×2 3232:θ 3226:⁡ 3217:− 3214:θ 3208:⁡ 3189:θ 3183:⁡ 3171:θ 3165:⁡ 3096:θ 3090:⁡ 3081:− 3078:θ 3072:⁡ 3044:θ 3038:⁡ 3026:θ 3020:⁡ 2949:θ 2872:θ 2869:⁡ 2857:θ 2854:⁡ 2835:θ 2832:⁡ 2823:− 2820:θ 2817:⁡ 2746:θ 2743:⁡ 2731:θ 2728:⁡ 2700:θ 2697:⁡ 2688:− 2685:θ 2682:⁡ 2647:), where 2619:θ 2607:a figure 2474:rotations 2462:bijective 2460:are the ( 2405:− 2366:− 2327:− 2135:− 2096:− 1925:quadrants 1895:applicate 1883:applicate 1759:subscript 1626:(3, 5, 7) 1501:× 1455:(1, −1, 1 1384:(0, 0, 1) 1333:applicate 1318:(0, 0, 1) 1314:(0, 1, 0) 1310:(1, 0, 0) 1306:(0, 0, 0) 1256:− 1247:− 1238:− 1214:− 1205:− 1190:− 1172:− 1157:− 1148:− 1123:− 1081:− 1039:− 935:(2, 3, 4) 852:from the 850:distances 827:quadrants 825:, called 623:↦ 521:spherical 454:Cartesian 422:astronomy 383:integrals 375:perimeter 336:equations 243:dimension 6992:6-sphere 6972:Toroidal 6911:Elliptic 6787:67-25285 6770:52-11515 6750:(1953). 6744:Morse PM 6717:55-10911 6693:19959906 6685:59-14456 6667:(1961). 6634:(2001). 6478:Geometry 6446:17 April 6362:, pg. 49 6297:6 August 6219:71006826 6167:6 August 6100:See also 6072:. Here, 5505:parallel 5434:positive 5323:standard 5319:positive 5188:′ 5177:′ 5115:′ 5104:′ 5079:Shearing 5022:′ 5011:′ 4889:′ 4877:′ 4521:′ 4460:′ 4434:′ 4422:′ 4396:composed 3790:′ 3717:′ 3461:′ 3449:′ 3381:′ 3370:′ 3143:′ 3132:′ 3055:′ 3003:′ 2985:, where 2795:′ 2784:′ 2711:′ 2665:′ 2599:Rotation 2547:′ 2536:′ 1891:ordinate 1887:abscissa 1800:-axis). 1778:vertical 1774:ordinate 1766:abscissa 1657:pressure 1518:, where 1380:altitude 1371:-plane. 1363:-plane, 1329:ordinate 1325:abscissa 721:ordinate 718:and the 715:abscissa 577:oriented 498:calculus 410:calculus 377:and the 328:calculus 241:for any 198:and has 184:or just 58:geometry 44:in red, 6987:Conical 6906:Bipolar 6665:Korn TM 6076:is the 6040:natural 5754:versors 5545:towards 5537:concave 5527:-axis. 5497:towards 5471:-, and 5286:to the 4973:Scaling 4688:of the 4509:where 4147:is the 4127:is the 1953:orthant 1948:(− + −) 1944:(+ + +) 1940:octants 1788:-, and 1735:, ..., 1700:, ..., 1683:, etc. 1622:(10, 5) 1351:-axis, 986:octants 814:), the 605:scaling 448:History 426:physics 324:algebra 162:called 146:) in a 42:(−3, 1) 6785:  6768:  6758:  6732:  6715:  6691:  6683:  6654:  6644:  6613:  6589:  6570:  6549:  6526:  6503:  6484:  6465:  6432:  6217:  6207:  6184:, See 6082:(0, 1) 5854:where 5632:where 5557:vector 5533:convex 5388:- and 3636:matrix 3523:where 3117:Thus: 2767:Thus: 2605:rotate 1842:- and 1757:, the 1755:record 1681:t-axis 1679:, the 1677:y-axis 1675:, the 1673:x-axis 1550:tuples 1420:. The 1376:height 1343:, and 1316:, and 947:origin 926:, and 812:(1, 1) 808:(0, 0) 746:(0, 1) 742:(1, 0) 738:(0, 0) 730:origin 673:or an 573:origin 373:, the 369:; the 340:circle 332:curves 290:where 200:(0, 0) 195:origin 168:signed 50:(0, 0) 38:(2, 3) 6891:Polar 6677:55–79 5461:thumb 5422:above 4982:. If 4157:is a 1751:array 933:, or 767:, or 277:) + ( 156:point 150:is a 148:plane 6783:LCCN 6766:LCCN 6756:ISBN 6730:ISBN 6713:LCCN 6689:OCLC 6681:LCCN 6652:OCLC 6642:ISBN 6611:ISBN 6587:ISBN 6568:ISBN 6547:ISBN 6524:ISBN 6501:ISBN 6482:ISBN 6463:ISBN 6448:2022 6430:ISBN 6324:2024 6299:2017 6268:rays 6215:OCLC 6205:ISBN 6186:here 6169:2017 5975:and 5734:are 5683:and 5523:the 5501:away 5424:the 5394:line 5263:The 5248:and 3999:and 3638:and 3270:All 2480:and 2452:The 2237:and 2019:and 1969:The 1909:and 1893:and 1873:and 1667:and 1661:time 1447:= −1 1400:The 1388:the 1331:and 943:axes 908:and 810:and 771:and 763:and 744:and 523:and 504:and 460:and 385:and 371:area 352:and 326:and 310:and 294:and 285:) = 190:axis 186:axes 60:, a 6422:doi 6376:657 6086:not 5467:-, 5432:or 5321:or 5067:If 4955:is 3905:of 3897:is 3223:cos 3205:sin 3180:sin 3162:cos 3087:cos 3069:sin 3035:sin 3017:cos 2935:, − 2901:If 2866:cos 2851:sin 2829:sin 2814:cos 2740:cos 2725:sin 2694:sin 2679:cos 2603:To 2456:or 2296:is 2065:is 1946:or 1834:or 1784:-, 1624:or 1608:). 1440:= 1 1433:= 1 1378:or 1302:/2) 1284:or 931:= 4 924:= 3 917:= 2 724:of 701:of 681:of 584:or 548:An 500:by 367:= 4 344:set 121:ɑːr 80:ɑːr 56:In 7013:: 6813:. 6764:. 6746:, 6687:. 6679:. 6650:. 6605:. 6545:. 6428:. 6315:. 6290:. 6275:^ 6213:. 6160:. 6096:. 6069:iy 6067:+ 6063:= 6052:, 5509:xy 5436:. 5426:xy 5418:xy 5402:xy 5083:A 4988:, 4959:. 4334:1. 4239:1. 4135:. 4103:1. 2983:′) 2979:′, 2967:, 2919:, 2915:(− 2907:, 2645:y' 2641:x' 2513:, 2501:, 2484:. 2476:, 2472:, 1889:, 1820:xy 1815:. 1743:−1 1728:, 1693:, 1648:, 1644:, 1636:, 1585:. 1457:). 1414:, 1410:, 1393:. 1369:xz 1365:yz 1361:xy 1339:, 1327:, 1320:. 1312:, 1298:, 1294:+ 1290:, 919:, 904:, 842:, 833:. 786:A 748:. 591:A 512:. 444:. 436:, 428:, 424:, 412:, 404:, 400:, 363:+ 304:, 281:− 273:− 260:. 214:. 180:, 130:iː 111:: 109:US 105:, 92:zj 89:iː 70:: 68:UK 6897:) 6893:( 6864:e 6857:t 6850:v 6819:. 6789:. 6772:. 6738:. 6719:. 6695:. 6658:. 6619:. 6576:. 6555:. 6532:. 6509:. 6490:. 6471:. 6450:. 6424:: 6326:. 6301:. 6221:. 6171:. 6090:x 6074:i 6065:x 6061:z 6056:) 6054:y 6050:x 6048:( 6024:. 6019:) 6013:1 6006:0 5999:0 5993:( 5988:= 5984:k 5963:, 5958:) 5952:0 5945:1 5938:0 5932:( 5927:= 5923:j 5903:, 5898:) 5892:0 5885:0 5878:1 5872:( 5867:= 5863:i 5840:, 5836:k 5832:z 5829:+ 5825:j 5821:y 5818:+ 5814:i 5810:x 5807:= 5803:r 5782:) 5779:z 5776:, 5773:y 5770:, 5767:x 5764:( 5744:y 5740:x 5720:) 5714:1 5707:0 5701:( 5696:= 5692:j 5669:) 5663:0 5656:1 5650:( 5645:= 5641:i 5618:, 5614:j 5610:y 5607:+ 5603:i 5599:x 5596:= 5592:r 5568:r 5541:x 5525:z 5517:y 5513:x 5489:z 5485:y 5481:x 5473:z 5469:y 5465:x 5414:y 5410:x 5406:z 5398:z 5390:y 5386:x 5344:y 5340:x 5315:y 5311:x 5307:y 5303:x 5292:x 5288:x 5280:y 5276:y 5272:x 5219:) 5216:y 5213:+ 5210:s 5207:x 5204:, 5201:x 5198:( 5195:= 5192:) 5185:y 5181:, 5174:x 5170:( 5146:) 5143:y 5140:, 5137:s 5134:y 5131:+ 5128:x 5125:( 5122:= 5119:) 5112:y 5108:, 5101:x 5097:( 5073:m 5069:m 5053:. 5050:) 5047:y 5044:m 5041:, 5038:x 5035:m 5032:( 5029:= 5026:) 5019:y 5015:, 5008:x 5004:( 4992:) 4990:y 4986:x 4984:( 4980:m 4941:j 4938:, 4935:i 4931:A 4908:. 4903:) 4897:1 4886:y 4874:x 4867:( 4862:= 4857:) 4851:1 4844:y 4837:x 4831:( 4824:) 4818:1 4813:0 4808:0 4799:2 4795:b 4787:2 4784:, 4781:2 4777:A 4769:2 4766:, 4763:1 4759:A 4749:1 4745:b 4737:1 4734:, 4731:2 4727:A 4719:1 4716:, 4713:1 4709:A 4702:( 4657:. 4652:) 4646:1 4641:0 4636:0 4627:2 4623:b 4615:2 4612:, 4609:2 4605:A 4597:1 4594:, 4591:2 4587:A 4577:1 4573:b 4565:2 4562:, 4559:1 4555:A 4547:1 4544:, 4541:1 4537:A 4530:( 4525:= 4518:A 4497:, 4492:) 4486:1 4479:y 4472:x 4466:( 4457:A 4453:= 4448:) 4442:1 4431:y 4419:x 4412:( 4382:0 4379:= 4374:2 4370:b 4366:= 4361:1 4357:b 4328:= 4323:2 4320:, 4317:1 4313:A 4307:1 4304:, 4301:2 4297:A 4288:2 4285:, 4282:2 4278:A 4272:1 4269:, 4266:1 4262:A 4236:= 4231:2 4228:, 4225:1 4221:A 4215:1 4212:, 4209:2 4205:A 4196:2 4193:, 4190:2 4186:A 4180:1 4177:, 4174:1 4170:A 4154:A 4144:A 4120:A 4100:= 4095:2 4090:2 4087:, 4084:2 4080:A 4076:+ 4071:2 4066:2 4063:, 4060:1 4056:A 4052:= 4047:2 4042:1 4039:, 4036:2 4032:A 4028:+ 4023:2 4018:1 4015:, 4012:1 4008:A 3987:0 3984:= 3979:2 3976:, 3973:2 3969:A 3963:1 3960:, 3957:2 3953:A 3949:+ 3944:2 3941:, 3938:1 3934:A 3928:1 3925:, 3922:1 3918:A 3885:A 3855:. 3850:2 3846:b 3842:+ 3837:2 3834:, 3831:2 3827:A 3823:y 3820:+ 3815:1 3812:, 3809:2 3805:A 3801:x 3798:= 3787:y 3777:1 3773:b 3769:+ 3764:1 3761:, 3758:1 3754:A 3750:y 3747:+ 3742:1 3739:, 3736:1 3732:A 3728:x 3725:= 3714:x 3687:) 3679:2 3675:b 3665:1 3661:b 3654:( 3649:= 3646:b 3620:) 3612:2 3609:, 3606:2 3602:A 3594:1 3591:, 3588:2 3584:A 3574:2 3571:, 3568:1 3564:A 3556:1 3553:, 3550:1 3546:A 3539:( 3534:= 3531:A 3511:, 3508:b 3505:+ 3500:) 3494:y 3487:x 3481:( 3476:A 3473:= 3468:) 3458:y 3446:x 3439:( 3417:) 3414:y 3411:, 3408:x 3405:( 3385:) 3378:y 3374:, 3367:x 3363:( 3343:. 3338:) 3332:y 3325:x 3319:( 3294:) 3291:y 3288:, 3285:x 3282:( 3242:. 3239:) 3236:) 3229:2 3220:y 3211:2 3202:x 3199:( 3196:, 3193:) 3186:2 3177:y 3174:+ 3168:2 3159:x 3156:( 3153:( 3150:= 3147:) 3140:y 3136:, 3129:x 3125:( 3099:. 3093:2 3084:y 3075:2 3066:x 3063:= 3052:y 3041:2 3032:y 3029:+ 3023:2 3014:x 3011:= 3000:x 2981:y 2977:x 2975:( 2971:) 2969:y 2965:x 2963:( 2939:) 2937:y 2933:x 2931:( 2923:) 2921:y 2917:x 2911:) 2909:y 2905:x 2903:( 2882:. 2879:) 2876:) 2863:y 2860:+ 2848:x 2845:( 2842:, 2839:) 2826:y 2811:x 2808:( 2805:( 2802:= 2799:) 2792:y 2788:, 2781:x 2777:( 2749:. 2737:y 2734:+ 2722:x 2719:= 2708:y 2691:y 2676:x 2673:= 2662:x 2643:, 2637:y 2635:, 2633:x 2584:. 2581:) 2578:b 2575:+ 2572:y 2569:, 2566:a 2563:+ 2560:x 2557:( 2554:= 2551:) 2544:y 2540:, 2533:x 2529:( 2517:) 2515:y 2511:x 2509:( 2505:) 2503:b 2499:a 2497:( 2430:, 2423:2 2419:) 2413:1 2409:z 2400:2 2396:z 2392:( 2389:+ 2384:2 2380:) 2374:1 2370:y 2361:2 2357:y 2353:( 2350:+ 2345:2 2341:) 2335:1 2331:x 2322:2 2318:x 2314:( 2309:= 2306:d 2284:) 2279:2 2275:z 2271:, 2266:2 2262:y 2258:, 2253:2 2249:x 2245:( 2225:) 2220:1 2216:z 2212:, 2207:1 2203:y 2199:, 2194:1 2190:x 2186:( 2160:. 2153:2 2149:) 2143:1 2139:y 2130:2 2126:y 2122:( 2119:+ 2114:2 2110:) 2104:1 2100:x 2091:2 2087:x 2083:( 2078:= 2075:d 2053:) 2048:2 2044:y 2040:, 2035:2 2031:x 2027:( 2007:) 2002:1 1998:y 1994:, 1989:1 1985:x 1981:( 1879:z 1875:y 1871:x 1852:z 1848:z 1844:y 1840:x 1828:x 1824:z 1809:y 1798:y 1794:x 1790:z 1786:y 1782:x 1741:n 1737:x 1733:1 1730:x 1726:0 1723:x 1719:n 1715:n 1711:n 1706:n 1702:x 1698:2 1695:x 1691:1 1688:x 1669:t 1665:p 1650:z 1646:y 1642:x 1638:y 1634:x 1630:O 1571:n 1566:R 1554:n 1546:n 1527:R 1505:R 1497:R 1493:= 1488:2 1483:R 1451:P 1445:y 1438:z 1431:x 1426:x 1422:z 1418:) 1416:z 1412:y 1408:x 1406:( 1357:z 1353:y 1349:x 1345:z 1341:y 1337:x 1300:π 1296:v 1292:u 1288:t 1286:( 1262:) 1259:z 1253:, 1250:y 1244:, 1241:x 1235:( 1229:) 1226:z 1223:+ 1220:, 1217:y 1211:, 1208:x 1202:( 1196:) 1193:z 1187:, 1184:y 1181:+ 1178:, 1175:x 1169:( 1163:) 1160:z 1154:, 1151:y 1145:, 1142:x 1139:+ 1136:( 1129:) 1126:z 1120:, 1117:y 1114:+ 1111:, 1108:x 1105:+ 1102:( 1096:) 1093:z 1090:+ 1087:, 1084:y 1078:, 1075:x 1072:+ 1069:( 1063:) 1060:z 1057:+ 1054:, 1051:y 1048:+ 1045:, 1042:x 1036:( 1030:) 1027:z 1024:+ 1021:, 1018:y 1015:+ 1012:, 1009:x 1006:+ 1003:( 974:P 970:P 963:P 959:P 955:P 951:P 937:. 929:z 922:y 915:x 910:Z 906:Y 902:X 898:O 869:x 863:y 858:Y 854:X 846:) 844:y 840:x 838:( 781:Y 777:X 773:y 769:x 765:Y 761:X 757:O 726:P 707:P 703:P 695:P 691:P 647:) 635:b 632:+ 629:x 626:a 620:x 586:− 582:+ 365:y 361:x 355:y 349:x 312:r 308:) 306:b 302:a 300:( 296:b 292:a 287:r 283:b 279:y 275:a 271:x 269:( 253:n 247:n 234:n 228:n 142:/ 139:n 136:ə 133:ʒ 127:t 124:ˈ 118:k 115:/ 101:/ 98:n 95:ə 86:t 83:ˈ 77:k 74:/ 64:( 20:)

Index

Cartesian equation

geometry
UK
/kɑːrˈtzjən/
US
/kɑːrˈtʒən/
plane
coordinate system
point
real numbers
signed
perpendicular
coordinate lines
origin
directions
orthogonal basis
three-dimensional space
Euclidean space
dimension
hyperplanes

René Descartes
algebra
calculus
curves
equations
circle
set
area

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