fem_basis_t3_display_test, a MATLAB code which calls fem_basis_t3_display(), which reads data defining a linear triangular ("T3") mesh and displays the basis function associated with any node in the mesh.
The computer code and data files described and made available on this web page are distributed under the MIT license
SQUARE is a simple mesh of 25 nodes and 32 linear triangular ("T3") elements over the [0,4] by [0,4] square: