triangulation_l2q_test, an Octave code which calls triangulation_l2q(), which reads information describing a triangulation of a set of points using 3-node ("linear") triangles, and create a 6-node ("quadratic") triangulation.
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triangulation_l2q, an Octave code which reads information about a 3-node (linear) triangulation and creates data defining a corresponding 6-node (quadratic) triangulation;
EXAMPLE is an example data set.