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Soboleva modified hyperbolic tangent

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1219: 1186: 993: 984: 705: 696: 171: 162: 469: 1309:. 8th Workshop STRUCTURAL DYNAMICAL SYSTEMS: Computational Aspects; Edited by Nicoletta Del Buono, Roberto Garrappa and Giulia Spaletta and Nonstandard Applications of Computer Algebra (ACA’2013); Edited by Francisco Botana, Antonio Hernando, Eugenio Roanes-Lozano and Michael J. Wester. 1147:. Четверта наукова конференція Харківського університету Повітряних Сил імені Івана Кожедуба, 16–17 квітня 2008 (The fourth scientific conference of the Ivan Kozhedub Kharkiv University of Air Forces, 16–17 April 2008) (in Russian). Kharkiv, Ukraine: 260: 690: 827: 1355: 1170:]. Материалы XIII Международного молодежного форума «Радиоэлектро-ника и молодежь в XXI веке» (Materials of the 13th international youth forum "Radioelectronics and youth in the 21st century") (in Russian). Kharkiv, Ukraine: 156: 1118:
Soboleva proposed the name "modified hyperbolic tangent" (mtanh, mth), but since other authors used this name also for other functions, some authors have started to refer to this function as "Soboleva modified hyperbolic
977: 903: 1368: 1341: 1443: 1494: 1620: 1290: 531: 1469: 1464:(Thesis). Joint Research Doctorate In Fusion Science And Engineering Cycle XXX (in English, Italian, and Portuguese). Padova, Italy: Centro Ricerche Fusione (CRF), 1207: 1171: 1553: 734: 464:{\displaystyle \operatorname {smht} '(x)\doteq {\frac {ae^{ax}+be^{-bx}}{e^{cx}+e^{-dx}}}-\operatorname {smht} (x){\frac {ce^{cx}-de^{-dx}}{e^{cx}+e^{-dx}}}} 1607: 496:
A family of recurrence-generated parametric Soboleva modified hyperbolic tangent activation functions (NPSMHTAF, FPSMHTAF) was studied with parameters
1086: 57: 1274: 907: 833: 1634: 1659: 1465: 1343:ПРИМЕНЕНИЕ МОДИФИЦИРОВАННОЙ ФУНКЦИИ ГИПЕРБОЛИЧЕСКОГО ТАНГЕНСА ДЛЯ АППРОКСИМАЦИИ ВОЛЬТАМПЕРНЫХ ХАРАКТЕРИСТИК ПОЛЕВЫХ ТРАНЗИСТОРОВ 1654: 1148: 1537: 1419: 715:
The function is sensitive to ratio of the denominator coefficients and often is used without coefficients in the numerator:
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It was also used in economics for modelling consumption and investment, to approximate current-voltage characteristics of
1348:
Using modified hyperbolic tangent function to approximate the current-voltage characteristics of field-effect transistors
197: 512:. It is worth noting that in this case, the function is not sensitive to flipping the left and right-sides parameters: 1649: 1459: 1351: 1081: 1145:Функция для оценки полезности альтернатив в задачах структурной оптимизации территориально распределенных объектов 1065: 1191:[Identification of utility functions in multi-objective choice modelling by using S-shaped functions] 1569: 1070: 224: 1473: 31: 1639: 1581: 1525: 1437: 1395: 1262: 1247: 1302: 1091: 228: 1303:"A discrete mathematical model for chaotic dynamics in economics: Kaldor's model on business cycle" 1060: 1168:
The S-shaped utility function of individual criteria for multi-objective decision-making in design
1488: 1076: 685:{\displaystyle {\frac {e^{ax}-e^{-bx}}{e^{ax}+e^{-bx}}}={\frac {e^{bx}-e^{-ax}}{e^{bx}+e^{-ax}}}} 35: 1599: 1529: 1411: 1322: 1266: 1211: 1589: 1403: 1314: 1164:
S-образная функция полезности част-ных критериев для многофакторной оценки проектных решений
1096: 236: 201: 28: 1235: 1044: 205: 822:{\displaystyle \operatorname {ssht} x={\frac {e^{x}-e^{-x}}{e^{\alpha x}+e^{-\beta x}}}.} 1594: 1188:ИДЕНТИФИКАЦИЯ ЧАСТНОй ПОлЕЗНОСТИ МНОГОФАКТОРНЫХ АлЬТЕРНАТИВ С ПОМОЩЬЮ S-ОБРАЗНЫХ ФУНКЦИй 244: 217: 1628: 1584:"Paisii Hilendarski", Plovdiv, Bulgaria / Institute of Mathematics and Informatics, 1248:"A Family Of Recurrence Generating Activation Functions Based On Gudermann Function" 1510: 232: 1142:
The utility function in problems of structural optimization of distributed objects
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International Journal of Innovative Science, Engineering & Technology (JISET)
1380: 1318: 151:{\displaystyle \operatorname {smht} x={\frac {e^{ax}-e^{-bx}}{e^{cx}+e^{-dx}}}.} 1246:
Malinova, Anna; Golev, Angel; Iliev, Anton; Kyurkchiev, Nikolay (August 2017).
1019: = 1 the modified hyperbolic tangent function reduces to the conventional 1197:
Problemy Bioniki: Respublikanskij Mežvedomstvennyj Naučno-Techničeskij Sbornik
187: 1603: 1533: 1415: 1407: 1326: 1270: 1215: 1185:
Beskorovainyi, Vladimir Valentinovich; Soboleva, Elena Vladimirovna (2010).
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Soboleva, Elena Vladimirovna; Beskorovainyi, Vladimir Valentinovich (2008).
1461:
Power Exhaust Data Analysis and Modeling Of Advanced Divertor Configuration
972:{\displaystyle x_{\max }={\frac {1}{2}}\ln {\frac {\alpha +1}{\alpha -1}}.} 186:
This function was originally proposed as "modified hyperbolic tangent" by
1511:"A Note on the Soboleva' Modified Hyperbolic Tangent Activation Function" 898:{\displaystyle x_{\min }={\frac {1}{2}}\ln {\frac {\beta -1}{\beta +1}};} 240: 992: 983: 704: 695: 1255:
International Journal of Engineering Researches and Management Studies
170: 161: 25:(parametric) Soboleva modified hyperbolic tangent activation function 1379:
Golev, Angel; Djamiykov, Todor; Kyurkchiev, Nikolay (2017-11-23) .
991: 982: 703: 694: 169: 160: 1476:. p. 84. ID 10811. Archived from the original on 2020-06-19 1020: 1568:
Iliev, Anton; Kyurkchiev, Nikolay; Markov, Svetoslav (2017).
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Golev, Angel; Iliev, Anton; Kyurkchiev, Nikolay (June 2017).
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The following conditions are keeping the function limited on
1402:, Sofia, Bulgaria: Academic Publications, Ltd.: 1081–1092. 1570:"A Note on the New Activation Function of Gompertz Type" 255:
Derivative of the function is defined by the formula:
1388:
International Journal of Pure and Applied Mathematics
910: 836: 737: 534: 263: 60: 1528:"Paisii Hilendarski", Plovdiv, Bulgaria: 177–182. 971: 897: 821: 684: 463: 150: 1442:: CS1 maint: DOI inactive as of September 2024 ( 1381:"Sigmoidal Functions In Antenna-Feeder Technique" 16:Mathematical activation function in data analysis 1493:: CS1 maint: bot: original URL status unknown ( 1265:"Paisii Hilendarski", Plovdiv, Bulgaria: 38–48. 916: 842: 1208:Kharkiv National University of Radioelectronics 1172:Kharkiv National University of Radioelectronics 1206:] (in Russian). Vol. 72, no. 1. 1580:(2). Faculty of Mathematics and Informatics, 1524:(6). Faculty of Mathematics and Informatics, 1394:(4). Faculty of Mathematics and Informatics, 1261:(8). Faculty of Mathematics and Informatics, 191: 8: 1470:Università degli Studi di Napoli Federico II 216:The function has since been introduced into 1340:Tuev, Vasily I.; Uzhanin, Maxim V. (2009). 1398:"Paisii Hilendarski", Plovdiv, Bulgaria / 717: 514: 40: 1593: 1087:List of integrals of hyperbolic functions 940: 924: 915: 909: 866: 850: 841: 835: 801: 785: 770: 757: 750: 736: 667: 651: 633: 617: 610: 592: 576: 558: 542: 535: 533: 446: 430: 412: 393: 383: 350: 334: 316: 297: 287: 262: 130: 114: 96: 80: 73: 59: 1354:(TPU/ТПУ). pp. 135–138. No. 4/314. 1588:, Sofia, Bulgaria: Biomath Forum (BF). 1307:Mathematics and Computers in Simulation 1132: 1108: 1486: 1435: 1162:Soboleva, Elena Vladimirovna (2009). 1114: 1112: 1043: = 0, the term becomes equal to 7: 1472:/ Instituto Superior Técnico (IST), 21:Soboleva modified hyperbolic tangent 1350:] (in Russian). Tomsk, Russia: 239:temperatures and densities in the 14: 1595:10.11145/10.11145/bmc.2017.10.201 1466:Università degli Studi di Padova 1301:Orlando, Giuseppe (2016-07-01). 1610:from the original on 2020-06-20 1543:from the original on 2020-06-19 1425:from the original on 2020-06-19 1358:from the original on 2017-08-15 1280:from the original on 2022-07-14 1225:from the original on 2022-06-21 1210:(KNURE/ХНУРЕ). pp. 50–54. 1149:Kharkiv University of Air Force 1458:Rubino, Giulio (2018-01-15) . 380: 374: 281: 275: 1: 1586:Bulgarian Academy of Sciences 1400:Technical University of Sofia 190:scientist Elena V. Soboleva ( 1635:Elementary special functions 1319:10.1016/j.matcom.2016.01.001 1082:Inverse hyperbolic functions 198:multi-objective optimization 196:) as a utility function for 1352:Tomsk Politehnic University 1174:(KNURE/ХНУРЕ). p. 247. 1676: 1660:Artificial neural networks 1151:(HUPS/ХУПС). p. 121. 1066:e (mathematical constant) 251:Sensitivity to parameters 192: 1499:(2+viii+3*iii+102 pages) 1408:10.12732/ijpam.v116i4.23 1342: 1218:. UDK 519.688: 004.896. 1199: 1187: 1163: 1144: 1027:) function, whereas for 225:field-effect transistors 1410:(inactive 2024-09-19). 1204:Bionics of Intelligence 1071:Equal incircles theorem 27:(SMHTAF), is a special 1655:Functions and mappings 1574:Biomath Communications 1474:Universidade de Lisboa 996: 987: 973: 899: 823: 708: 699: 686: 465: 174: 165: 152: 1582:University of Plovdiv 1526:University of Plovdiv 1396:University of Plovdiv 1263:University of Plovdiv 995: 986: 974: 900: 824: 707: 698: 687: 466: 229:light-emitting diodes 220:theory and practice. 173: 164: 153: 1645:Hyperbolic functions 908: 834: 830:Extremum estimates: 735: 532: 261: 58: 1061:Activation function 50:Right tail control 1650:Analytic functions 1200:БИОНИКА ИНТЕЛЛЕКТА 1077:Hausdorff distance 997: 988: 969: 895: 819: 709: 700: 682: 461: 175: 166: 148: 47:Left tail control 36:hyperbolic tangent 1092:Poinsot's spirals 1001: 1000: 964: 932: 890: 858: 814: 713: 712: 680: 605: 524:Right prevalence 459: 363: 193:Елена В. Соболева 179: 178: 143: 1667: 1618: 1616: 1615: 1597: 1555: 1551: 1549: 1548: 1542: 1515: 1506: 1500: 1498: 1492: 1484: 1482: 1481: 1455: 1449: 1447: 1441: 1433: 1431: 1430: 1424: 1385: 1376: 1370: 1366: 1364: 1363: 1337: 1331: 1330: 1298: 1292: 1288: 1286: 1285: 1279: 1252: 1243: 1237: 1233: 1231: 1230: 1224: 1194: 1182: 1176: 1175: 1159: 1153: 1152: 1137: 1120: 1116: 1097:Sigmoid function 1003:With parameters 978: 976: 975: 970: 965: 963: 952: 941: 933: 925: 920: 919: 904: 902: 901: 896: 891: 889: 878: 867: 859: 851: 846: 845: 828: 826: 825: 820: 815: 813: 812: 811: 793: 792: 779: 778: 777: 762: 761: 751: 727:Scaled function 718: 691: 689: 688: 683: 681: 679: 678: 677: 659: 658: 645: 644: 643: 625: 624: 611: 606: 604: 603: 602: 584: 583: 570: 569: 568: 550: 549: 536: 521:Left prevalence 515: 470: 468: 467: 462: 460: 458: 457: 456: 438: 437: 424: 423: 422: 401: 400: 384: 364: 362: 361: 360: 342: 341: 328: 327: 326: 305: 304: 288: 271: 202:choice modelling 195: 194: 157: 155: 154: 149: 144: 142: 141: 140: 122: 121: 108: 107: 106: 88: 87: 74: 41: 23:, also known as 1675: 1674: 1670: 1669: 1668: 1666: 1665: 1664: 1625: 1624: 1613: 1611: 1567: 1564: 1562:Further reading 1559: 1558: 1546: 1544: 1540: 1513: 1508: 1507: 1503: 1485: 1479: 1477: 1457: 1456: 1452: 1434: 1428: 1426: 1422: 1383: 1378: 1377: 1373: 1361: 1359: 1344: 1339: 1338: 1334: 1300: 1299: 1295: 1283: 1281: 1277: 1250: 1245: 1244: 1240: 1228: 1226: 1222: 1201: 1192: 1189: 1184: 1183: 1179: 1165: 1161: 1160: 1156: 1146: 1139: 1138: 1134: 1129: 1124: 1123: 1117: 1110: 1105: 1073:, based on sinh 1057: 953: 942: 911: 906: 905: 879: 868: 837: 832: 831: 797: 781: 780: 766: 753: 752: 733: 732: 663: 647: 646: 629: 613: 612: 588: 572: 571: 554: 538: 537: 530: 529: 442: 426: 425: 408: 389: 385: 346: 330: 329: 312: 293: 289: 264: 259: 258: 253: 245:fusion reactors 233:antenna feeders 214: 212:Practical usage 206:decision-making 184: 126: 110: 109: 92: 76: 75: 56: 55: 17: 12: 11: 5: 1673: 1671: 1663: 1662: 1657: 1652: 1647: 1642: 1637: 1627: 1626: 1623: 1622: 1563: 1560: 1557: 1556: 1501: 1450: 1371: 1332: 1293: 1238: 1177: 1154: 1131: 1130: 1128: 1125: 1122: 1121: 1107: 1106: 1104: 1101: 1100: 1099: 1094: 1089: 1084: 1079: 1074: 1068: 1063: 1056: 1053: 1035: = 1 and 999: 998: 989: 980: 968: 962: 959: 956: 951: 948: 945: 939: 936: 931: 928: 923: 918: 914: 894: 888: 885: 882: 877: 874: 871: 865: 862: 857: 854: 849: 844: 840: 818: 810: 807: 804: 800: 796: 791: 788: 784: 776: 773: 769: 765: 760: 756: 749: 746: 743: 740: 729: 728: 725: 722: 711: 710: 701: 692: 676: 673: 670: 666: 662: 657: 654: 650: 642: 639: 636: 632: 628: 623: 620: 616: 609: 601: 598: 595: 591: 587: 582: 579: 575: 567: 564: 561: 557: 553: 548: 545: 541: 526: 525: 522: 519: 455: 452: 449: 445: 441: 436: 433: 429: 421: 418: 415: 411: 407: 404: 399: 396: 392: 388: 382: 379: 376: 373: 370: 367: 359: 356: 353: 349: 345: 340: 337: 333: 325: 322: 319: 315: 311: 308: 303: 300: 296: 292: 286: 283: 280: 277: 274: 270: 267: 252: 249: 235:, and analyze 218:neural network 213: 210: 183: 180: 177: 176: 167: 158: 147: 139: 136: 133: 129: 125: 120: 117: 113: 105: 102: 99: 95: 91: 86: 83: 79: 72: 69: 66: 63: 52: 51: 48: 45: 15: 13: 10: 9: 6: 4: 3: 2: 1672: 1661: 1658: 1656: 1653: 1651: 1648: 1646: 1643: 1641: 1638: 1636: 1633: 1632: 1630: 1621: 1609: 1605: 1601: 1596: 1591: 1587: 1583: 1579: 1575: 1571: 1566: 1565: 1561: 1554: 1539: 1535: 1531: 1527: 1523: 1519: 1512: 1505: 1502: 1496: 1490: 1475: 1471: 1467: 1463: 1462: 1454: 1451: 1445: 1439: 1421: 1417: 1413: 1409: 1405: 1401: 1397: 1393: 1389: 1382: 1375: 1372: 1369: 1357: 1353: 1349: 1345: 1336: 1333: 1328: 1324: 1320: 1316: 1312: 1308: 1304: 1297: 1294: 1291: 1276: 1272: 1268: 1264: 1260: 1256: 1249: 1242: 1239: 1236: 1221: 1217: 1213: 1209: 1205: 1198: 1190: 1181: 1178: 1173: 1169: 1158: 1155: 1150: 1143: 1136: 1133: 1126: 1115: 1113: 1109: 1102: 1098: 1095: 1093: 1090: 1088: 1085: 1083: 1080: 1078: 1075: 1072: 1069: 1067: 1064: 1062: 1059: 1058: 1054: 1052: 1050: 1046: 1042: 1038: 1034: 1030: 1026: 1022: 1018: 1014: 1010: 1006: 994: 990: 985: 981: 979: 966: 960: 957: 954: 949: 946: 943: 937: 934: 929: 926: 921: 912: 892: 886: 883: 880: 875: 872: 869: 863: 860: 855: 852: 847: 838: 816: 808: 805: 802: 798: 794: 789: 786: 782: 774: 771: 767: 763: 758: 754: 747: 744: 741: 738: 731: 730: 726: 723: 720: 719: 716: 706: 702: 697: 693: 674: 671: 668: 664: 660: 655: 652: 648: 640: 637: 634: 630: 626: 621: 618: 614: 607: 599: 596: 593: 589: 585: 580: 577: 573: 565: 562: 559: 555: 551: 546: 543: 539: 528: 527: 523: 520: 517: 516: 513: 511: 507: 503: 499: 494: 492: 488: 484: 480: 476: 471: 453: 450: 447: 443: 439: 434: 431: 427: 419: 416: 413: 409: 405: 402: 397: 394: 390: 386: 377: 371: 368: 365: 357: 354: 351: 347: 343: 338: 335: 331: 323: 320: 317: 313: 309: 306: 301: 298: 294: 290: 284: 278: 272: 268: 265: 256: 250: 248: 246: 242: 238: 234: 230: 226: 221: 219: 211: 209: 207: 203: 199: 189: 181: 172: 168: 163: 159: 145: 137: 134: 131: 127: 123: 118: 115: 111: 103: 100: 97: 93: 89: 84: 81: 77: 70: 67: 64: 61: 54: 53: 49: 46: 43: 42: 39: 37: 34:based on the 33: 30: 26: 22: 1640:Exponentials 1612:. Retrieved 1577: 1573: 1545:. Retrieved 1521: 1517: 1504: 1478:. Retrieved 1460: 1453: 1438:cite journal 1427:. Retrieved 1391: 1387: 1374: 1360:. Retrieved 1347: 1335: 1310: 1306: 1296: 1282:. Retrieved 1258: 1254: 1241: 1227:. Retrieved 1203: 1196: 1180: 1167: 1157: 1141: 1135: 1048: 1040: 1036: 1032: 1028: 1024: 1016: 1012: 1008: 1004: 1002: 829: 724:Basic chart 714: 509: 505: 501: 497: 495: 490: 486: 482: 478: 474: 472: 257: 254: 231:, to design 222: 215: 185: 24: 20: 18: 1619:(20 pages) 1289:(11 pages) 38:, given by 1629:Categories 1614:2020-06-19 1552:(6 pages) 1547:2020-06-19 1480:2020-06-19 1448:(12 pages) 1429:2020-06-19 1367:(4 pages) 1362:2015-11-05 1284:2020-06-19 1234:(5 pages) 1229:2020-06-19 1127:References 243:region of 1604:2367-5233 1534:2348-7968 1489:cite book 1416:1311-8080 1327:0378-4754 1313:: 83–98. 1271:2394-7659 1216:0555-2656 1119:tangent". 958:− 955:α 944:α 938:⁡ 881:β 873:− 870:β 864:⁡ 806:β 803:− 787:α 772:− 764:− 742:⁡ 721:Equation 669:− 635:− 627:− 594:− 560:− 552:− 518:Equation 448:− 414:− 403:− 372:⁡ 366:− 352:− 318:− 285:≐ 273:⁡ 188:Ukrainian 132:− 98:− 90:− 65:⁡ 44:Equation 1608:Archived 1538:Archived 1420:Archived 1356:Archived 1275:Archived 1220:Archived 1055:See also 1039: = 1031: = 1015: = 1011: = 1007: = 508: = 500: = 269:′ 241:divertor 32:function 29:S-shaped 477:-axes: 182:History 1602:  1532:  1414:  1325:  1269:  1214:  237:plasma 1541:(PDF) 1514:(PDF) 1423:(PDF) 1384:(PDF) 1346:[ 1278:(PDF) 1251:(PDF) 1223:(PDF) 1202:[ 1193:(PDF) 1166:[ 1103:Notes 1600:ISSN 1530:ISSN 1495:link 1444:link 1412:ISSN 1323:ISSN 1267:ISSN 1212:ISSN 1045:sinh 1021:tanh 739:ssht 504:and 369:smht 266:smht 227:and 200:and 62:smht 19:The 1590:doi 1404:doi 1392:116 1315:doi 1311:125 1051:). 917:max 843:min 208:. 204:in 1631:: 1606:. 1598:. 1576:. 1572:. 1536:. 1520:. 1516:. 1491:}} 1487:{{ 1468:/ 1440:}} 1436:{{ 1418:. 1390:. 1386:. 1321:. 1305:. 1273:. 1257:. 1253:. 1195:. 1111:^ 935:ln 861:ln 493:. 489:≤ 485:, 481:≤ 247:. 1617:. 1592:: 1578:4 1550:. 1522:4 1497:) 1483:. 1446:) 1432:. 1406:: 1365:. 1329:. 1317:: 1287:. 1259:4 1232:. 1049:x 1047:( 1041:d 1037:c 1033:b 1029:a 1025:x 1023:( 1017:d 1013:c 1009:b 1005:a 967:. 961:1 950:1 947:+ 930:2 927:1 922:= 913:x 893:; 887:1 884:+ 876:1 856:2 853:1 848:= 839:x 817:. 809:x 799:e 795:+ 790:x 783:e 775:x 768:e 759:x 755:e 748:= 745:x 675:x 672:a 665:e 661:+ 656:x 653:b 649:e 641:x 638:a 631:e 622:x 619:b 615:e 608:= 600:x 597:b 590:e 586:+ 581:x 578:a 574:e 566:x 563:b 556:e 547:x 544:a 540:e 510:d 506:b 502:c 498:a 491:d 487:b 483:c 479:a 475:y 454:x 451:d 444:e 440:+ 435:x 432:c 428:e 420:x 417:d 410:e 406:d 398:x 395:c 391:e 387:c 381:) 378:x 375:( 358:x 355:d 348:e 344:+ 339:x 336:c 332:e 324:x 321:b 314:e 310:b 307:+ 302:x 299:a 295:e 291:a 282:) 279:x 276:( 146:. 138:x 135:d 128:e 124:+ 119:x 116:c 112:e 104:x 101:b 94:e 85:x 82:a 78:e 71:= 68:x

Index

S-shaped
function
hyperbolic tangent


Ukrainian
multi-objective optimization
choice modelling
decision-making
neural network
field-effect transistors
light-emitting diodes
antenna feeders
plasma
divertor
fusion reactors




tanh
sinh
Activation function
e (mathematical constant)
Equal incircles theorem
Hausdorff distance
Inverse hyperbolic functions
List of integrals of hyperbolic functions
Poinsot's spirals
Sigmoid function

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