---------------------------- Simulation parameters: r : 0.1 eps : 0.001 alpha: 0.75 gamma: 0.75 D : 0.01 c : 5. IC : 0 S : 0 x0 : (0.25,0.25) ---------------------------- ---------- Testing Jacobian ------------- Run with -snes_test_jacobian_view and optionally -snes_test_jacobian to show difference of hand-coded and finite difference Jacobian entries greater than . Testing hand-coded Jacobian, if (for double precision runs) ||J - Jfd||_F/||J||_F is O(1.e-8), the hand-coded Jacobian is probably correct. ||J - Jfd||_F/||J||_F = 5.45199e-14, ||J - Jfd||_F = 9.40197e-13 0 TS: time 0., energy 1.29684, intp -8.47033e-22, ell 0. ---------- Testing Jacobian ------------- ||J - Jfd||_F/||J||_F = 0.999818, ||J - Jfd||_F = 7. step 0 stage 0 nonlinear its 0, linear its 0 ---------- Testing Jacobian ------------- ||J - Jfd||_F/||J||_F = 3.45218e-07, ||J - Jfd||_F = 6.1617e-06 step 0 stage 1 nonlinear its 1, linear its 1 ---------- Testing Jacobian ------------- ||J - Jfd||_F/||J||_F = 3.48913e-07, ||J - Jfd||_F = 6.08916e-06 step 0 stage 2 nonlinear its 1, linear its 1 1 TS: time 0.1, energy 1.25295, intp 2.64698e-22, ell 0.