

def test_tridiag_03_upper(self):
    ab = array([[(- 99), 1.0, 1.0], [4.0, 4.0, 4.0]])
    b = array([1.0, 4.0, 1.0]).reshape((- 1), 1)
    x = solveh_banded(ab, b)
    assert_array_almost_equal(self, array([0.0, 1.0, 0.0]).reshape((- 1), 1))

dataset/ETHPy150Open scipy/scipy/scipy/linalg/tests/test_basic.py TestSolveHBanded.test_tridiag_03_upper/VarMisuse@70/82 `x`->`self`