[Trilinos-Users] Belos Linear Solver
Einar Otnes
eotnes at gmail.com
Fri Jul 8 00:44:37 MDT 2011
Dear experts,
I have a quick question about Belos. Does it only support "square"
operators? In other words, if I want to create a solver to handle the
linear problem Ax=b, does the matrix A have to be N x N, i.e. square? I
found out that when I define a LinearProblem, Ax=b, with A rectangular, the
setProblem() method returned an error. Does this mean that I cannot use
Belos to implement a Solver which handles rectangular matrices where I
impose some sort of regularizer to obtain a solution. If not, what would be
my alternative? Thyra?
Thanks,
Einar
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