1 ## Try a 4x4 advection matrix. See the docstring in advection_matrix.m
2 ## for an explanation of the expected result.
4 expected = (1/2) * [ 0, 1, 0, -1; ...
9 actual = advection_matrix(4, 0, 1);
11 unit_test_equals("4x4 advection matrix is correct", ...