[petsc-users] Custom line search for predictor-corrector

[Harshad Sahasrabudhe]

Hi,

I want to implement a Predictor-Corrector algorithm for solving a coupled
Schrödinger-Poisson system using SNES. I can calculate the next step using
my predictor algorithm and don't want PETSc to calculate the next step. I
only need PETSc to check for convergence. What is the best way to implement
this?

Thanks,
Harshad