Mathematical Function Table and Graph(Formula Version with jqplot + PHP + MPFR)

Tomonori Kouya
Version 0.11: 2025-07-23(Wed)

Precision: 128 bits
Name of Function : 1/(1+exp(-x))
Interval of x : [-5, 5]
x1/(1+exp(-x))log10(RelErr)
-5.0000006.692850924284855559361980381325180393746e-3-39.5
-4.5000001.098694263059318003863537849690841706763e-2-39.2
-4.0000001.798620996209155802679313794953842487245e-2-38.7
-3.5000002.931223075135631886528955811418158389414e-2-38.8
-3.0000004.742587317756678087884815177175220138614e-2-39.1
-2.5000007.585818002124355119330617664624777313082e-2-38.8
-2.0000001.192029220221175559402708586976032047937e-1-39.2
-1.5000001.824255238063563403927828213437517524538e-1-39.6
-1.0000002.689414213699951207488407581781637256348e-1-39.7
-0.5000003.775406687981454353610994342544915212469e-1-39.3
0.0000005.000000000000000000000000000000000000000e-1 0.0
0.5000006.224593312018545646389005657455084787546e-1-38.7
1.0000007.310585786300048792511592418218362743652e-1-40.1
1.5000008.175744761936436596072171786562482475462e-1-40.3
2.0000008.807970779778824440597291413023967952077e-1-38.8
2.5000009.241418199787564488066938233537522268684e-1-39.0
3.0000009.525741268224332191211518482282477986140e-1-39.7
3.5000009.706877692486436811347104418858184161065e-1-39.2
4.0000009.820137900379084419732068620504615751264e-1-38.9
4.5000009.890130573694068199613646215030915829315e-1-39.1
5.0000009.933071490757151444406380196186748196056e-1-39.2


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Copyright (c) Tomonori Kouya