[petsc-dev] Solving under determined systems

Mark Adams mfadams at lbl.gov
Wed Sep 21 15:20:56 CDT 2016


I want to solve for w in V' w = b, where V is tall and skinny. So a short
fat matrix "solve". This is underdetermined. I would like to minimize the
two norm (or any norm) of w. This looks like an optimization problem, would
TAO do this?
Mark
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