[Trilinos-Users] how to extract solution from Belos::LinearProblem ... updateSolution() does not work as expected

[Joachim Wuttke]

The code example in
   https://github.com/trilinos/Trilinos_tutorial/wiki/IfpackBelos2
tells me that Belos did converge,
but not what solution was found.

 From the Doxygen API documentation of Belos::LinearProblem
I figured I could extract the solution by
   const Teuchos::RCP<MV> sln = problem->updateSolution();
However, this does not work as I expected:
sln is a null vector.

What did I understand wrong?

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