---------------------------- 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 = 4.07568e-14, ||J - Jfd||_F = 7.02852e-13 0 TS: time 0., energy 1.29684, intp 4.76456e-21, ell 0. ---------- Testing Jacobian ------------- ||J - Jfd||_F/||J||_F = 3.5617e-07, ||J - Jfd||_F = 6.16171e-06 step 0 stage 0 nonlinear its 1, linear its 1 1 TS: time 0.1, energy 1.24867, intp 2.32934e-21, ell 0.