(PECL fann >= 1.0.0)
fann_set_rprop_delta_min — Sets the minimum step-size
$ann
, float $rprop_delta_min
) : boolThe minimum step-size is a small positive number determining how small the minimum step-size may be.
annNeural network resource.
rprop_delta_minThe minimum step-size.
Returns TRUE on success, or FALSE otherwise.