Searched refs:shift (Results 1 – 2 of 2) sorted by relevance
169 PetscErrorCode FormIJacobian_NS(TS ts, PetscReal t, Vec Q, Vec Q_dot, PetscReal shift, Mat J, Mat J… in FormIJacobian_NS() argument179 PetscCall(MatCeedSetContextReal(honee->mat_ijacobian, "ijacobian time shift", shift)); in FormIJacobian_NS()
164 The scalar "shift" $\alpha$ scales inversely with the time step $\Delta t$, so small time steps res…