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preconditioner in demos

 

Dear Fenics,

after following this:

http://fenicsproject.org/documentation/dolfin/1.1.0/python/demo/pde/navier-stokes/python/documentation.html

I think this, doesn't work anymore:

# Use amg preconditioner if available
prec = "amg" if has_krylov_solver_preconditioner("amg") else "default"

Best,

Roland


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