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fann_get_quickprop_mu	fann_get_rprop_delta_max

Fann Functions	Last updated: Mon, 26 Oct 2026

fann_get_rprop_decrease_factor

(PECL fann >= 1.0.0)

fann_get_rprop_decrease_factor — Returns the decrease factor used during RPROP training

Description

function fann_get_rprop_decrease_factor(resource $ann): float

The decrease factor is a value smaller than 1, which is used to decrease the step-size during RPROP training.

The default decrease factor is 0.5.

Parameters

ann: Neural network resource.

Return Values

The decrease factor, or false on error.

See Also

fann_set_rprop_decrease_factor() - Sets the decrease factor used during RPROP training

fann_get_quickprop_mu	fann_get_rprop_delta_max

Fann Functions	Last updated: Mon, 26 Oct 2026