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Computation of Pi by the area:
==============================
-Order = 1
+Degree = 1
cells eval.pi error
5 1.9999999999999998 1.1416e+00 -
20 2.8284271247461898 3.1317e-01 1.87
1280 3.1365484905459389 5.0442e-03 2.00
5120 3.1403311569547521 1.2615e-03 2.00
-Order = 2
+Degree = 2
cells eval.pi error
5 3.1045694996615869 3.7023e-02 -
20 3.1391475703122276 2.4451e-03 3.92
1280 3.1415920457576907 6.0783e-07 4.00
5120 3.1415926155921126 3.7998e-08 4.00
-Order = 3
+Degree = 3
cells eval.pi error
5 3.1465390309173475 4.9464e-03 -
20 3.1419461263297386 3.5347e-04 3.81
1280 3.1415927436051230 9.0015e-08 4.00
5120 3.1415926592185492 5.6288e-09 4.00
-Order = 4
+Degree = 4
cells eval.pi error
5 3.1418185737113964 2.2592e-04 -
20 3.1415963919525050 3.7384e-06 5.92
Computation of Pi by the perimeter:
===================================
-Order = 1
+Degree = 1
cells eval.pi error
5 2.8284271247461903 3.1317e-01 -
20 3.0614674589207183 8.0125e-02 1.97
1280 3.1403311569547525 1.2615e-03 2.00
5120 3.1412772509327729 3.1540e-04 2.00
-Order = 2
+Degree = 2
cells eval.pi error
5 3.1248930668550599 1.6700e-02 -
20 3.1404050605605454 1.1876e-03 3.81
1280 3.1415923498174538 3.0377e-07 4.00
5120 3.1415926345932004 1.8997e-08 4.00
-Order = 3
+Degree = 3
cells eval.pi error
5 3.1442603311164286 2.6677e-03 -
20 3.1417729561193588 1.8030e-04 3.89
1280 3.1415926986118001 4.5022e-08 4.00
5120 3.1415926564043946 2.8146e-09 4.00
-Order = 4
+Degree = 4
cells eval.pi error
5 3.1417078926581086 1.1524e-04 -
20 3.1415945317216001 1.8781e-06 5.94