import matplotlib.pyplot as plt
import numpy as np
def sigmoid(x):
# 直接返回sigmoid函数
return 1. / (1. + np.exp((0.7 + -(x))/0.075))
def plot_sigmoid():
# param:起点,终点,间距
x = np.arange(0, 1, 1 / 16000)
y = sigmoid(x)
plt.plot(x, y)
plt.show()
if __name__ == '__main__':
plot_sigmoid()
效果: