triangulation_order6_contour_test, a MATLAB code which calls triangulation_order6_contour(), which reads datafiles describing a set of nodes, a triangulation of the nodes into six-node triangles, and a scalar evaluated at the nodes. It produces a plot of the triangulation, and several styles of color contour plots of the scalar
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triangulation_order6_contour, a MATLAB code which makes contour plots of data defined on an order 6 triangulation.