/**
* @param \Sereban\NeuronNet\Neuron $to
* @param \Sereban\NeuronNet\Neuron $from
* @return bool
*/
protected function _weightCorrection(Neuron $to, Neuron $from)
{
$weightDiff = self::ACCELERATOR * $from->getValue() * $to->getValue();
$this->_weight += $weightDiff;
//increase weight
return true;
}
function test(Neuron $neuron)
{
$neuronResult = [];
for ($x = MIN; $x <= MAX; $x += STEP) {
$neuronResult[] = [$x, $neuron->border($x)];
}
$dots = [];
foreach (getTestData() as $testData) {
$dots[$testData->getExpectedResult()][] = [$testData->getData()[0], $testData->getData()[1]];
}
?>
<div class="graphs">
<div class="graph2d" style="width:600px; height: 300px"
data-data="<?php
echo json_encode($neuronResult);
?>
"
data-dots="<?php
echo htmlspecialchars(json_encode($dots), ENT_QUOTES, 'UTF-8');
?>
"></div>
</div>
<script>draw()</script>
<?php
}
public function calculate($layer, array $inputs)
{
$neurons = $this->layers[$layer];
$result = [];
$n = new Neuron();
foreach ($neurons as $neuron => $array) {
$n->reset();
if (count($array) !== count($inputs)) {
throw new RuntimeException('Counts are different');
}
foreach ($array as $link => $weight) {
$n->addWeight($link, $weight);
}
$result[] = $n->power($inputs);
}
return $result;
}
function __construct($numberOfData)
{
parent::__construct($numberOfData);
}
function __construct($weightsCount)
{
parent::__construct($weightsCount);
//$this->oldWeights = $this->weights;
}
private function calculateForNeuron(Neuron $neuron, $k)
{
$sum = 0;
// echo '<div style="padding-left: 40px;">';
foreach ($this->neurons as $j => $neuron2) {
if ($neuron == $neuron2) {
continue;
}
// echo 'w<sub>'.$k.''.$j.'</sub> * y<sub>'.$j.'</sub>(t-1)<br>';
// echo round($neuron->getWeights()[$j], 2).' * '.$neuron->getPreviousResult().'<br>';
$sum += $neuron->getWeights()[$j] * $neuron2->getPreviousResult();
}
// echo '</div>';
return $sum + $neuron->getBias() > 0 ? 1 : -1;
}
