Hi,

Is there any way to delete a System from EquationSystems? I'm implementing
a Predictor-Corrector algorithm for a Schrodinger-Poisson system. I have
implemented a custom line search in PETSc which solves the Predictor and
calculates the next step for the actual system (Corrector). At every step,
I solve the Predictor NonlinearImplicitSystem and plan to delete it after
it converges. Then I recreate it for the next iteration since I have to
re-solve that system with a new initial guess.

Is there an alternative way to implement the above without having to delete
the system?

Thanks,
Harshad
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