Method flush_gradients

code/chapter9.py:940–945

函数作用：更新后重置梯度

(self, curr_loss=None)

        self.flush_gradients()
    
    def flush_gradients(self, curr_loss=None):
        """
        函数作用：更新后重置梯度
        """
        for k, v in self.layers.items():
            v.flush_gradients()
    
    def fit(self, X_train, y_train, n_epochs=20, batch_size=64, verbose=False, epo_verbose=True):
        """