test_nonlinear_solver.py

import numpy as np


v1 = [[1], [0]]
v2 = [[0], [1]]
v3 = [[0], [1]]


A = np.matrix([[1, 0, 0, 0, 0, 0, 0, 0],
               [0, 1, 0, 0, 0, 0, 0, 0],
               [0, 0, 1, 0, 0, 0, 0, 0],
               [0, 0, 0, 1, 0, 0, 0, 0],
               [0, 0, 0, 0, 1, 0, 0, 0],
               [0, 0, 0, 0, 0, 1, 0, 0],
               [0, 0, 0, 0, 0, 0, 0, 1],
               [0, 0, 0, 0, 0, 0, 1, 0]])