# I update my fenics version (2017) and now I have problems with the nonlinearsolver parameters.

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13 months ago by
ffc_options={"quadrature_degree":4,"optimize":True,"eliminate_zeros":False}
problem=NonlinearVariationalProblem(F,w,bcs,J,ffc_options)
solver=NonlinearVariationalSolver(problem)

error

KeyError: "'eliminate_zeros' is not a parameter"

Thanks for all.