(PECL fann >= 1.0.0)
Sets the initial step-size
bool fann_set_rprop_delta_zero ( resource $ann, float $rprop_delta_zero )
The initial step-size is a positive number determining the initial step size.
Parameters:
ann
Neural network resource.
rprop_delta_zero
The initial step-size.
Returns:
Returns TRUE
on success, or FALSE
otherwise.
See also:
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