/**
* Randomize one level of a neural network.
*
* @param
* BasicNetwork network
* The network to randomize
* @param
* int fromLayer
* The from level to randomize.
*/
public function randomizeNetwork(BasicNetwork $network, $fromLayer)
{
$fromCount = $network->getLayerTotalNeuronCount($fromLayer);
$toCount = $network->getLayerNeuronCount($fromLayer + 1);
for ($fromNeuron = 0; $fromNeuron < $fromCount; ++$fromNeuron) {
for ($toNeuron = 0; $toNeuron < $toCount; ++$toNeuron) {
$v = $network->getWeight($fromLayer, $fromNeuron, $toNeuron);
$v = $this->randomizeDouble($v);
$network->setWeight($fromLayer, $fromNeuron, $toNeuron, $v);
}
}
}
