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fann_set_scaling_params	fann_set_train_stop_function

Fann Functions	Last updated: Mon, 26 Oct 2026

fann_set_train_error_function

(PECL fann >= 1.0.0)

fann_set_train_error_function — Sets the error function used during training

Description

function fann_set_train_error_function(resource $ann, int $error_function): bool

Sets the error function used during training.

The error functions are described further in error functions constants.

Parameters

ann: Neural network resource.
error_function: The error function constant

Return Values

Returns true on success, or false otherwise.

See Also

fann_get_train_error_function() - Returns the error function used during training

fann_set_scaling_params	fann_set_train_stop_function

Fann Functions	Last updated: Mon, 26 Oct 2026