Consider the Laplace equation
\[ \Delta u =0 \]
on the square,
and take the boundary conditions as in the example in the lecture notes at page 65.
Implement the five point formula and verify order 2 convergence in both space directions.
Consider the Laplace equation
\[ \Delta u =0 \]
on the square,
and take the boundary conditions as in the example in the lecture notes at page 65.
Implement the five point formula and verify order 2 convergence in both space directions.