19 May 2024 08:49:16 PM porous_medium_exact_test(): C version Test porous_medium_exact(), an exact solution of the porous medium equation. parameters: c = 0.11547 delta = 0.0133333 m = 3 t0 = 0 tstop = 4 porous_medium_residual_test(): Evaluate solution and residual at selected points (X,T) X T U(X,T) Resid(X,T) -1.0000 0.0000 0 0 -0.8000 0.0000 0 0 -0.6000 0.0000 0 0 -0.4000 0.0000 1.096e-08 9.53674e-07 -0.2000 0.0000 0.866 -7.10543e-15 0.0000 0.0000 1 -7.10543e-15 0.2000 0.0000 0.866 -7.10543e-15 0.4000 0.0000 1.096e-08 9.53674e-07 0.6000 0.0000 0 0 0.8000 0.0000 0 0 1.0000 0.0000 0 0 -1.0000 1.0000 0.1802 -2.77556e-17 -0.8000 1.0000 0.2492 1.38778e-17 -0.6000 1.0000 0.2917 -4.16334e-17 -0.4000 1.0000 0.3187 -1.38778e-17 -0.2000 1.0000 0.3338 1.38778e-17 0.0000 1.0000 0.3387 -1.38778e-17 0.2000 1.0000 0.3338 1.38778e-17 0.4000 1.0000 0.3187 -1.38778e-17 0.6000 1.0000 0.2917 -4.16334e-17 0.8000 1.0000 0.2492 1.38778e-17 1.0000 1.0000 0.1802 -2.77556e-17 -1.0000 2.0000 0.2 -1.38778e-17 -0.8000 2.0000 0.2343 6.93889e-18 -0.6000 2.0000 0.2578 0 -0.4000 2.0000 0.2734 -6.93889e-18 -0.2000 2.0000 0.2824 -1.38778e-17 0.0000 2.0000 0.2853 0 0.2000 2.0000 0.2824 -1.38778e-17 0.4000 2.0000 0.2734 -6.93889e-18 0.6000 2.0000 0.2578 0 0.8000 2.0000 0.2343 6.93889e-18 1.0000 2.0000 0.2 -1.38778e-17 -1.0000 3.0000 0.1971 3.46945e-18 -0.8000 3.0000 0.221 0 -0.6000 3.0000 0.2378 -3.46945e-18 -0.4000 3.0000 0.2492 -3.46945e-18 -0.2000 3.0000 0.2558 0 0.0000 3.0000 0.2579 0 0.2000 3.0000 0.2558 0 0.4000 3.0000 0.2492 -3.46945e-18 0.6000 3.0000 0.2378 -3.46945e-18 0.8000 3.0000 0.221 0 1.0000 3.0000 0.1971 3.46945e-18 -1.0000 4.0000 0.192 0 -0.8000 4.0000 0.2106 3.46945e-18 -0.6000 4.0000 0.224 0 -0.4000 4.0000 0.2331 -1.73472e-18 -0.2000 4.0000 0.2383 0 0.0000 4.0000 0.2401 0 0.2000 4.0000 0.2383 0 0.4000 4.0000 0.2331 -1.73472e-18 0.6000 4.0000 0.224 0 0.8000 4.0000 0.2106 3.46945e-18 1.0000 4.0000 0.192 0 porous_medium_exact_test(): Normal end of execution. 19 May 2024 08:49:16 PM