sigmóide em python do zero
def sigmoid(x):
return 1/(1 + np.exp(-x))
Gifted Gibbon
def sigmoid(x):
return 1/(1 + np.exp(-x))# Import matplotlib, numpy and math
import matplotlib.pyplot as plt
import numpy as np
import math
x = np.linspace(-10, 10, 100)
z = 1/(1 + np.exp(-x))
plt.plot(x, z)
plt.xlabel("x")
plt.ylabel("Sigmoid(X)")
plt.show()