ppc_twb_quad_test, a C code which calls ppc_twb_quad(), which defines Taylor, Wingate, Bos quadrature rules for triangles, from Rouben Rostamian's "Programming Projects in C";
The information on this web page is distributed under the MIT license.
ppc_twb_quad, a C code which defines Taylor, Wingate, Bos quadrature rules for triangles, from Rouben Rostamian's "Programming Projects in C";
The following somewhat miserable plots are meant to display a surface plot of the function z(x,y), as created by geomview().