1811d88abSStefano Zampini---------------------------- 2811d88abSStefano ZampiniSimulation parameters: 3*66edf50cSStefano Zampini dim : 2 4811d88abSStefano Zampini r : 0.1 5811d88abSStefano Zampini eps : 0.001 6811d88abSStefano Zampini alpha: 0.75 7811d88abSStefano Zampini gamma: 0.75 8811d88abSStefano Zampini D : 0.01 9*66edf50cSStefano Zampini IC : 3 10*66edf50cSStefano Zampini snum : 1 11811d88abSStefano Zampini x0 : (0.25,0.25) 12*66edf50cSStefano Zampini scals: (500.,0.,0.,1.) 13811d88abSStefano Zampini---------------------------- 14811d88abSStefano Zampini ---------- Testing Jacobian ------------- 15811d88abSStefano Zampini Run with -snes_test_jacobian_view and optionally -snes_test_jacobian <threshold> to show difference 16811d88abSStefano Zampini of hand-coded and finite difference Jacobian entries greater than <threshold>. 17811d88abSStefano Zampini Testing hand-coded Jacobian, if (for double precision runs) ||J - Jfd||_F/||J||_F is 18811d88abSStefano Zampini O(1.e-8), the hand-coded Jacobian is probably correct. 19*66edf50cSStefano Zampini ||J - Jfd||_F/||J||_F = 2.27208e-12, ||J - Jfd||_F = 4.24161e-11 20*66edf50cSStefano Zampini 0 TS: time 0., energy 0.745385, intp 3.04932e-20, ell 0. 21811d88abSStefano Zampini ---------- Testing Jacobian ------------- 22*66edf50cSStefano Zampini ||J - Jfd||_F/||J||_F = 2.75773e-08, ||J - Jfd||_F = 5.15249e-07 23811d88abSStefano Zampini ---------- Testing Jacobian ------------- 24*66edf50cSStefano Zampini ||J - Jfd||_F/||J||_F = 2.02598e-08, ||J - Jfd||_F = 1.98015e-07 25811d88abSStefano Zampini ---------- Testing Jacobian ------------- 26*66edf50cSStefano Zampini ||J - Jfd||_F/||J||_F = 1.68913e-08, ||J - Jfd||_F = 8.00889e-08 27204aa523SStefano Zampini step 0 stage 0 nonlinear its 1, linear its 1 28*66edf50cSStefano Zampini 1 TS: time 0.1, energy 0.670449, intp 4.40457e-20, ell 0. 29