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Relu function of activation function

2022-04-23 11:40:00 【Hey, little black 15kg】

relu function

ReLU （Rectified Linear Unit） function .ReLU Function at input greater than 0 when , Output the value directly ; Enter less than or equal to 0 when , Output 0.

import matplotlib.pyplot as plt
import numpy as np


def relu(x):
    return np.maximum(0,x)


if __name__ == '__main__':
    x = np.arange(-5, 5, 0.1)
    y = relu(x)

    plt.plot(x, y)
    plt.ylim(-1, 5)
    plt.show()