fem2d_sample_test, a MATLAB program which calls fem2d_sample() to evaluate a finite element function of a 2D argument.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
fem2d_sample, a MATLAB program which evaluates a finite element function defined on an order 3 or order 6 triangulation of a 2D region.
SQ is FEM data for the function f(x,y)=x^2+y^2, on a 5x5 grid of nodes, organized into linear triangles. The sample data seeks the values of this function on a 4x4 evenly spaced grid.