[petsc-dev] Solving under determined systems

[Stefano Zampini]

Mark,

You can use KSPLSQR

Stefano

Il 21 set 2016 11:21 PM, "Mark Adams" <mfadams at lbl.gov> ha scritto:

> 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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