Clarification question to close GH9042.
Which of the minimizer methods (CG, BFGS, Newton-CG, L-BFGS-B, TNC, SLSQP, dogleg, trust-ncg, trust-krylov,trust-exact and trust-constr):

- require a *callable* jacobian?
- are satisfied with a jacobian estimated by finite differences?

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Dr. Andrew Nelson


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