14 lines
273 B
PHP
14 lines
273 B
PHP
<?php
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namespace App\Models\Perceptrons;
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class SigmoidPerceptron extends Perceptron
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{
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public function activationFunction(float $weighted_sum): float
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{
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$weighted_sum = max(-40, min(40, $weighted_sum));
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return 1 / (1 + exp(-$weighted_sum));
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}
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}
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