step | integral | estimated error | true error | refinements ---------------------------------------------------------------- 1 | 3339 | 7.14058e+07 | 0.906511 | 1 2 | 1680 | 0.987498 | 0.814191 | 2 3 | 861.913 | 0.949153 | 0.63783 | 2 4 | 475.012 | 0.814509 | 0.342839 | 2 5 | 320.934 | 0.480092 | 0.0273411 | 2 6 | 295.324 | 0.0867179 | 0.0570059 | 2 7 | 309.053 | 0.0444234 | 0.0100501 | 2 8 | 312.148 | 0.00991433 | 3.60985e-05 | 12 9 | 312.225 | 0.000245828 | 0.000209738 | 4 10 | 312.166 | 0.0001893 | 2.04777e-05 | 16 11 | 312.154 | 3.65807e-05 | 1.61022e-05 | 40 12 | 312.153 | 3.10113e-06 | 1.92034e-05 | 56 13 | 312.159 | 1.80984e-05 | 1.10465e-06 | 136 14 | 312.159 | 1.06692e-06 | 3.77249e-08 | 4 15 | 312.159 | 6.52529e-08 | 2.7528e-08 | 8 16 | 312.159 | 2.68656e-08 | 6.62393e-10 | 276 17 | 312.159 | 6.18166e-10 | 4.42266e-11 | 562 18 | 312.159 | 5.30235e-11 | 8.79695e-12 | 876 2005 nodes saved in grid.out