Sets the decrease factor used during RPROP training

# fann_set_rprop_decrease_factor

(PECL fann >= 1.0.0)

fann_set_rprop_decrease_factor — Sets the decrease factor used during RPROP training

### 説明

fann_set_rprop_decrease_factor ( resource `$ann` , float `$rprop_decrease_factor` ) : bool

Sets the decrease factor used during RPROP training.

### パラメータ

`ann`

  ニューラルネットワークリソース。

`rprop_decrease_factor`

  The decrease factor.

### 返り値

成功した場合に `TRUE`、それ以外の場合に `FALSE` を返します。

### 参考

- fann_get_rprop_decrease_factor() - Returns the increase factor used during RPROP training