[Trilinos-Users] access to the Jacobian postprocess

[John T. Foster]

Can you use the accessor method for NOX::Epetra::FiniteDifference

getUnderlyingMatrix()  ??

http://trilinos.sandia.gov/packages/docs/r10.0/packages/nox/doc/html/classNOX_1_1Epetra_1_1FiniteDifference.html#3b86ded520525685db9a2eb2ed1cc189



John T. Foster
Assistant Professor of Mechanical Engineering
The University of Texas at San Antonio
AET 2.330
One UTSA Circle
San Antonio, TX 78249
210.458.5521
john.foster at utsa.edu


On Thu, Feb 28, 2013 at 6:22 PM, Veltz Romain <romain.veltz at inria.fr> wrote:
> Hello,
>
> I am performing numerical continuation using LOCA::Epetra and a Matrix Free
> method for the Jacobian (using NOX::Epetra::FiniteDifference).
> I would like to compute the following scalar product after each successful
> continuation step: <e1,Jac^(-1).e1> where Jac is the jacobian and e1 is a
> constant vector (for all the continuation processes).
>
> Does anyone have some advice to do so please?
>
> Thank you a lot,
>
> Romain VELTZ.
>
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