fem2d_bvp_quadratic_test, a C++ code which calls fem2d_bvp_quadratic(), which applies the finite element method, with piecewise quadratic elements, to a 2D boundary value problem over a rectangle.
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fem2d_bvp_quadratic, a C++ code which applies the finite element method (FEM), with piecewise quadratic elements, to a 2D boundary value problem (BVP) in a rectangle, and compares the computed and exact solutions with the L2 and seminorm errors.