(PECL fann >= 1.0.0)
fann_set_rprop_delta_zero — Sets the initial step-size
$ann
, float $rprop_delta_zero
)The initial step-size is a positive number determining the initial step size.
annRessource de réseau de neurones.
rprop_delta_zeroThe initial step-size.
Retourne TRUE en cas de succès, FALSE sinon.