tetrahedron_witherden_rule_test

tetrahedron_witherden_rule_test, an Octave code which calls tetrahedron_witherden_rule(), which returns a symmetric Witherden quadrature rule for the tetrahedron, with exactness up to total degree 10.

Licensing:

The computer code and data files made available on this web page are distributed under the MIT license

Related Data and Programs:

tetrahedron_witherden_rule, an Octave code which returns a symmetric Witherden quadrature rule for the tetrahedron, with exactness up to total degree 10.

Source Code:

• tetrahedron_witherden_rule_test01.m, returns the rule of precision P.
• tetrahedron_witherden_rule_test02.m, determines the precision of a given rule.
• tetrahedron_witherden_rule_test03.m, checks the absolute and relative precision of a set of rules.
• tetrahedron_witherden_rule_test04.m, applies all rules to integrate 1/sqrt(r) over the reference triangle.

• tetrahedron_witherden_rule_test01.m, prints the rule of precision 5.
• tetrahedron_witherden_rule_test02.m, estimates the precision of a rule.
• tetrahedron_witherden_rule_test03.m, applies all the rules to the integral of 1/sqrt(r) over the reference tetrahedron.