Flexible sigmoid function

generalized sigmoid function

hyperbolic tangent sigmoid function

Log Sigmoid function

Log-Sigmoid function

Sigmoid membership function

variable sigmoid activation function

delta function (=δ-function)

function， function key

Analgesia function and anti-inflammation function

calibration function or curve [function]

characteristic function (= eigen-function)

characteristic function [of meromorphic function]

characteristic function and type-function

dual function of smarandache LCM function

exceptional function and shared function

function group， function grouping

function of function

increasing function and decreasing function