| Re: [eigen] Using SparseLU to calculate the determinant. |
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- To: eigen <eigen@xxxxxxxxxxxxxxxxxxx>
- Subject: Re: [eigen] Using SparseLU to calculate the determinant.
- From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
- Date: Mon, 15 Apr 2013 19:25:47 +0200
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Do you have an idea to add balancing to SparseLU (API-wise)? We should
make sure whether this can be easily added without breaking the API or
requiring a new class.
gael
On Mon, Apr 15, 2013 at 5:52 PM, Desire NUENTSA
<desire.nuentsa_wakam@xxxxxxxx> wrote:
> Hi,
> Please, find a feature request at
> http://eigen.tuxfamily.org/bz/show_bug.cgi?id=588
> with a patch to do that.
> In my opinion, We should add a feature to balance the matrix before pushing
> the patch.
>
> Nuentsa W.
>
>
> On 04/13/2013 05:39 PM, Joseph Maestri wrote:
>
> Hi,
>
> Decided to email this since SparseLU is in 3.2.0-beta1.
>
> Currently, calculating the determinant of a sparse matrix can be achieved
> using the SparseCholesky module. Is there a plan to extend this
> functionality to the SparseLU module? Not sure how trivial this is since I
> have not looked into the specifics of the implementation and how the
> factorisation is stored.
>
> Regards,
> Joseph