tests/diffusion_matrix_sparse_tests.m

   1 expected_K = [2, -1, 0, 0, -1;
   2               -1, 2, -1, 0, 0;
   3               0, -1, 2, -1, 0;
   4               0, 0, -1, 2, -1;
   5               -1, 0, 0, -1, 2];
   6
   7 actual_K = diffusion_matrix_sparse(5);
   8
   9 unit_test_equals("diffusion_matrix_sparse(5) looks right", ...
  10                  true, ...
  11                  isequal(actual_K, expected_K));