LeastSquaresDelta
==================================

.. js:function:: NeuralNetwork.LeastSquaresDelta(last_delta_y_dt, last_y, batch_Y) 

    最小二乗誤差の微分

    :param float[] last_delta_y_dt: 最後のレイヤーのδy
    :param float[] last_y:          最後のレイヤーのy
    :param float[] batch_Y:         正解の出力

ソース
^^^^^^

.. code-block:: js

            LeastSquaresDelta(last_delta_y_dt, last_y, batch_Y) {
                for(var i = 0; i < last_delta_y_dt.length; i++){
                    last_delta_y_dt[i] = last_y[i] - batch_Y[i];
                }
            }