Computation of the Friedrich's constant for a unit square domain by Jan Valdman

Friedrichs' constant is computed for a unit square geometry and homogeneous Dirichlet conditions. (friedrichs constantfi..., friedrichs constant, finite element method)

[coordinates,elements3,dirichlet]=refinement_uniform(coordi...

[element2edges, edge2nodes]=getEdges(elements)

[matrix,I]=deleterepeatedrows(matrix)