ykzcs2000的博客

1import numpy as npclass Relu(object):def forward(self, x):self.x = xreturn np.maximum(x, 0)def backward(self, delta):delta[self.x < 0] = 0return deltaimport numpy as npclass DNN(object):def init(self, x1, w11, x2, w12, w2, b1, b2):self.x1