def test_converge3(self):
w_solved_vec, is_converged_bool = cg_cond.cg_cond(x_mat, y_vec, t3_mat)
dist_vec = numpy.dot(
x_mat, w_opt_vec - w_solved_vec.reshape(len(w_solved_vec), 1))
err = numpy.sum(dist_vec**2)
print('Squared norm error of CG (tolerance=1e-3):' + str(err))
self.assertTrue(err < 1e-10)
def test_margin(self):
w_solved_vec, is_converged_bool = cg_cond.cg_cond(x_mat,
y_vec,
t3_mat,
tol=1e-10,
max_iter_int=0)
self.assertTrue(not is_converged_bool)
w_solved_vec, is_converged_bool = cg_cond.cg_cond(x_mat,
y_vec,
t3_mat,
tol=1e-10,
max_iter_int=1)
self.assertTrue(not is_converged_bool)
w_solved_vec, is_converged_bool = cg_cond.cg_cond(x_mat,
y_vec,
t3_mat,
tol=1e-10,
max_iter_int=2)
self.assertTrue(not is_converged_bool)