lsapy.functions.vetharaniam2022_eq3#

lsapy.functions.vetharaniam2022_eq3(x, a, b)[source]#

Sigmoid like function.

# TODO: add a more detailed description.

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 sigmoid like function is defined as:

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

References

Vetharaniam, Müller, Stanley, van den Dijssel, Timar, and Clothier [2022]