(PECL fann >= 1.0.0)
fann_set_activation_steepness_hidden — Ϊ�������ز������е���Ԫ���ü��������
$ann
, float $activation_steepness
) : boolΪ�������ز������е���Ԫ���ü���ȡ�
ann
Neural network resource.
activation_steepness
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Returns TRUE
on success, or FALSE
otherwise.