tetrahedron_keast_rule_test, an Octave code which calls tetrahedron_keast_rule(), which defines a Keast quadrature rule, of degree of exactness 0 through 8, over the interior of the tetrahedron in 3D.
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tetrahedron_keast_rule, an Octave code which defines ten quadrature rules, with exactness degrees 0 through 8, over the interior of a tetrahedron in 3D.