updateParameter
==============================

.. js:function:: ConvolutionalLayer.updateParameter() 

    パラメータの更新

ソース
^^^^^^

.. code-block:: js

            updateParameter() {
                var lap = new Lap(this.updateTime);
    
                var prev_layer = this.prevLayer;
                var eta = net.learningRate / miniBatchSize;
    
                var weight_idx = 0;
    
                // 出力のチャネルに対し
                for (var channel_idx = 0; channel_idx < this.numChannels; channel_idx++) {
    
                    this.bias.dt[channel_idx] -= eta * this.deltaBias.dt[channel_idx];
    
                    // 入力のチャネルに対し
                    for(var prev_channel_idx = 0; prev_channel_idx < prev_layer.numChannels; prev_channel_idx++){
    
                        // フィルターの行に対し
                        for (var r2 = 0; r2 < this.filterSize; r2++) {
    
                            // フィルターの列に対し
                            for (var c2 = 0; c2 < this.filterSize; c2++) {
                                this.weight.dt[weight_idx] -= ( eta * this.deltaWeight.dt[weight_idx] + net.learningRate * 
                                                                                                        L2lambda * this.weight.dt[weight_idx]);
                                weight_idx++;
                            }
                        }
                    }
                }
                Assert(weight_idx == this.weight.dt.length);
                lap.Time();
            }