matlab 中还原：
Theta1 = reshape(thetaVec(1:110),10,11)
Theta2 = reshape(thetaVec(111:220),10,11)
Theta3 = reshape(thetaVec(221:231),1,11)
python 中还原：
import numpy as np
# ...
Theta1 = thetaVec[0:110].reshape(10,11)
Theta2 = thetaVec[110:220].reshape(10,11)
Theta3 = thetaVec[220:231].reshape(1,11)