relu函数实现,卷积神经网络激活函数

Relu函数：

import numpy as npimport matplotlib.pyplot as pltdef relu(x): return np.maximum(0, x)x = np.arange(-5, 5, 0.1)y = relu(x)plt.plot(x, y)plt.title('Relu')plt.xlabel('x')plt.ylabel('y')plt.show()