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Editing: Layer.php
<?php namespace Rubix\ML\NeuralNet\Layers; use Tensor\Matrix; use Stringable; interface Layer extends Stringable { /** * The width of the layer. i.e. the number of neurons or computation nodes. * * @internal * * @return positive-int */ public function width() : int; /** * Initialize the layer with the fan in from the previous layer and return * the fan out for this layer. * * @internal * * @param positive-int $fanIn * @return positive-int */ public function initialize(int $fanIn) : int; /** * Feed the input forward to the next layer in the network. * * @internal * * @param Matrix $input * @return Matrix */ public function forward(Matrix $input) : Matrix; /** * Forward pass during inference. * * @internal * * @param Matrix $input * @return Matrix */ public function infer(Matrix $input) : Matrix; }
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