loss_W = lambda W: self.loss(x, t)
grads = {}
numerical_gradient(loss_W, self.params['W1'])
の部分ですが、numerical_gradientの第二引数は参照渡しになっているようです。
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ゼロから作るDeep Learning ―Pythonで学ぶディープラーニングの理論と実装のchapter 4のヒント
Last updated at Posted at 2020-04-01
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