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Rather than rolling our own sparse-matrix library, it seems like it would be much better to use [PETSc](http://www.mcs.anl.gov/petsc/), which is the de-facto standard here.
PETSc would give us access…
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I can't seem to get Quasi-Newton with Jacobian restarts to work with Firedrake. Broyden complains about an unassembled matrix, and LBFGS blows up.
Tested on http://firedrakeproject.org/demos/burgers.…
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If you run --dump, it appears that line_search is a valid parameter in the Preconditioning section:
```
[ [./*](Preconditioning]
)
line_search = default # Sp…
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_Original ticket http://projects.scipy.org/scipy/ticket/1662 on 2012-05-24 by trac user bhuet, assigned to unknown._
Hello everyone,
For multidimensionnal general nonlinear solver would it be worth u…
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_Original ticket http://projects.scipy.org/scipy/ticket/1788 on 2012-12-11 by trac user furiousd, assigned to @dlax._
When calling scipy.optimize.minimize, inputting a jacobian function that returns …