gistfile1.txt

import numpy as np


X = [[2],
	[3]]

Y = [[1],
	[2]]

W_0 = [[0.30,0.53,0.94],
	[0.46,0.80,0.21]]

W_1 = [[0.89,0.39],
	[0.74,0.41],
	[0.24,0.06]]

W_0nump = np.array(W_0)
W_0T = W_0nump.transpose()
x_nump = np.array(X)

temp = np.matmul(W_0T,x_nump)
h = np.tanh(temp)
z = np.arctanh(h)

W_1nump = np.array(W_1)
W_1T = np.transpose(W_1nump)

Y_hat = np.matmul(W_1T,h)
Y_hat2 = np.matmul(W_1T,temp)


h_nump = np.array(h)
z = np.arctanh(h_nump)

bias = .208194682
yhat1 = 1.83209
yhat2 = .84381
yres1 = 1
yres2 = 2

hspec1 = .96258698
hspec2 = .99802629
hspec3 = .98687761

hspec = hspec1
yres = yres1
yhat = yhat1
weightspec = .89

errorDeriv = (2*((yhat-yres)))*(1-np.tanh(np.tanh((weightspec*hspec)+bias)))*(hspec)
print(errorDeriv)