**triangle_witherden_rule_test**,
an Octave code which
calls triangle_witherden_rule(), which
returns a symmetric Witherden quadrature rule for the triangle,,
with exactness up to total degree 20.

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

triangle_witherden_rule, an Octave code which returns a symmetric Witherden quadrature rule for the triangle,, with exactness up to total degree 20.

- triangle_witherden_rule_test.m, calls all the tests.
- triangle_witherden_rule_test.sh, runs all the tests.
- triangle_witherden_rule_test.txt, the output file.

- triangle_witherden_rule_test01.m, retrieves and prints a rule of precision P.
- triangle_witherden_rule_test02.m, determines the precision of a rule of precision P.
- triangle_witherden_rule_test03.m, determines absolute and relative precision of rules of precision P_LO through P_HI.