thomasnield

from sympy import *

# Declare weight, bias, layer outputs, and input variables
# W1 and W2 are hidden and output layer weights 
# B1 and B2 are hidden and output layer biases 
# A1 and A2 are activated layer outputs
# Z1 and Z2 are inactivated layer outputs
# X and Y are the training data 

W1, W2, B1, B2, A1, A2, Z1, Z2, X, Y = \