Exemple #1
0
def all_connection():
    W1 = np.random.randn(2, 4)
    b1 = np.random.randn(4)
    W2 = np.random.randn(4, 3)
    b2 = np.random.randn(3)
    x = np.random.randn(10, 2)  # 10個のサンプルデータ
    h = np.dot(x, W1) + b1
    #print(W1)
    #print(b1)
    #print(x)
    print(h)
    a = Sigmoid.forward(h)
    s = np.dot(a, W2) + b2
    print(s)
Exemple #2
0
# coding: utf-8

import numpy as np
import sys
sys.path.append('../../')
from common.layers import Sigmoid

sigmoid = Sigmoid()

#---------------------------------------
# forward
x = np.array([[1.0, -0.5], [-2.0, 3.0]])
print(x)
y = sigmoid.forward(x)
print(y)

#---------------------------------------
# backward
dy = np.array([[5, 5], [5, 5]])
dx = sigmoid.backward(dy)
print(dx)