>> quadrature_test ( 'cc_d2_level4' ) 05-Jun-2007 11:35:21 QUADRATURE_TEST MATLAB version Investigate the accuracy of a multidimensional quadrature rule by integrating test functions. QUADRATURE_TEST: User input: Quadrature rule X file = "cc_d2_level4_x.txt". Quadrature rule W file = "cc_d2_level4_w.txt". Quadrature rule R file = "cc_d2_level4_r.txt". Spatial dimension = 2 Number of points = 65 Prob Dim Points Approx Exact Error 1 2 65 1.166667 1.166667 0.000000 2 2 65 1.066667 1.066667 0.000000 3 2 65 0.000000 0.000000 0.000000 4 2 65 2.285714 2.285714 0.000000 5 2 65 1.455554 1.455516 0.000039 6 2 65 0.902827 1.000000 0.097173 7 2 65 0.999972 1.000000 0.000028 8 2 65 0.500000 0.500000 0.000000 9 2 65 1.683357 1.683357 0.000000 10 2 65 0.496776 0.500000 0.003224 11 2 65 2.918059 2.952492 0.034434 12 2 65 0.765147 0.765147 0.000000 13 2 65 -0.000000 0.000000 0.000000 14 2 65 -0.250000 -0.250000 0.000000 15 2 65 NaN -------------- -------------- 16 2 65 0.496776 0.500000 0.003224 17 2 65 0.166667 0.166667 0.000000 18 2 65 0.788995 0.785398 0.003597 19 2 65 0.241763 0.241265 0.000498 20 2 65 1.166667 1.166667 0.000000 24 2 65 0.902827 1.000000 0.097173 25 2 65 1.080295 1.080295 0.000000 26 2 65 0.154818 0.154818 0.000000 27 2 65 -0.712125 -0.712125 0.000000 28 2 65 0.859875 0.859876 0.000001 29 2 65 0.423768 0.423768 0.000000 30 2 65 0.959521 0.959521 0.000000 31 2 65 0.386185 0.399576 0.013391 32 2 65 0.911575 0.841679 0.069896 33 2 65 0.166667 0.160000 0.006667 34 2 65 -13326254.387487 -------------- -------------- QUADRATURE_TEST: Normal end of execution. 05-Jun-2007 11:35:21 >>