Source

Sigmoidal#

S shaped nonliearity kernel with output values ranging from -1 to 1.

Parameters#

# Param Default Type Description
1 gamma null float The kernel coefficient.
2 coef0 0. float The independent term.

Example#

use Rubix\ML\Kernels\SVM\Sigmoidal;

$kernel = new Sigmoidal(null, 0.);