%% TEST03 tests FEKETE_RULE. % % Modified: % % 12 December 2006 % % Author: % % John Burkardt % clear fprintf ( 1, '\n' ); fprintf ( 1, 'TEST03\n' ); fprintf ( 1, ' FEKETE_RULE returns the points and weights\n' ); fprintf ( 1, ' of a Fekete rule for the triangle.\n' ); fprintf ( 1, '\n' ); fprintf ( 1, ' In this test, we simply check that, for each\n' ); fprintf ( 1, ' quadrature point, the barycentric coordinates\n' ); fprintf ( 1, ' sum to 1.\n' ); rule_num = fekete_rule_num ( 'DUMMY' ); fprintf ( 1, '\n' ); fprintf ( 1, ' Rule Suborder Sum of coordinates\n' ); fprintf ( 1, '\n' ); for rule = 1 : rule_num suborder_num = fekete_suborder_num ( rule ); [ suborder_xyz, suborder_w ] = fekete_subrule ( rule, suborder_num ); fprintf ( 1, '\n' ); fprintf ( 1, ' %8d %8d\n', rule, suborder_num ); for suborder = 1 : suborder_num xyz_sum = sum ( suborder_xyz(1:3,suborder) ); fprintf ( 1, ' %25e\n', xyz_sum ); end end