lsapy.functions.logistic#

lsapy.functions.logistic(x, a, b)[source]#

Logistic function.

Parameters:

  • x (any) – Input values to map.

  • a (float | int) – Steepness of the function parameter.

  • b (float | int) – Value of the function’s midpoint.

Returns:

Suitability values.

Return type:

float

Notes

The logistic function is defined as:

\[f(x) = \frac{1}{1 + e^{-a(x - b)}}\]