fann_get_quickprop_mu

(PECL fann >= 1.0.0)

fann_get_quickprop_mu — Returns the mu factor

说明

float fann_get_quickprop_mu ( resource $ann )

The mu factor is used to increase and decrease the step-size during quickprop training. The mu factor should always be above 1, since it would otherwise decrease the step-size when it was suppose to increase it.

The default mu factor is 1.75.

参数

ann: Neural network resource .

返回值

The mu factor, or FALSE on error.

参见

fann_set_quickprop_mu() - Sets the quickprop mu factor