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)
# 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)