fem2d_bvp_linear_test, a C code which calls fem2d_bvp_linear() to apply the finite element method, with piecewise linear elements, to a 2D boundary value problem over a rectangle.
The computer code and data files described and made available on this web page are distributed under the MIT license
fem2d_bvp_linear, a C code which applies the finite element method (FEM), with piecewise bilinear elements, to a 2D boundary value problem (BVP) in a rectangle, and compares the computed and exact solutions with the L2 and seminorm errors.