The included files provide the means to discretize
the Poisson equation over the unity square for arbitrary
functions f on the right side of the equation. The applied
Dirichlet boundary conditions can be specified through another
The files make use of linear finite elements and a quadrature formula using
the edge mid points of the triangles, which is exact for
polynomes of order 2.
It is possible to specify the number of grid points for the x-
and y- axis separately. Therefore, it is possible to solve
equations with anisotropic functions more efficiently.
Note: the Files have been developed for teaching purposes only
and have not been optimized for performance.