fann_get_cascade_activation_functions_count	fann_get_cascade_activation_steepnesses_count

Fann Functions	Last updated: Mon, 26 Oct 2026

fann_get_cascade_activation_steepnesses

(PECL fann >= 1.0.0)

fann_get_cascade_activation_steepnesses — Returns the cascade activation steepnesses

function fann_get_cascade_activation_steepnesses(resource $ann): array

The cascade activation steepnesses array is an array of the different activation functions used by the candidates.

See fann_get_cascade_num_candidates() for a description of which candidate neurons will be generated by this array.

The default activation steepnesses are {0.25, 0.50, 0.75, 1.00}.

The cascade activation steepnesses, or false on error.