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- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] nulify row of SparseMatrix
- From: Gael Guennebaud <gael.guennebaud@xxxxxxxxx>
- Date: Tue, 27 Nov 2012 15:56:33 +0800
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Hi,
you can do it indirectly like this:
SparseVector<double> sp_zero(m);
SparseMatrix<double> mat(m,n);
.....
mat.col(j) = sp_zero;
cheers,
gael
On Fri, Nov 23, 2012 at 1:56 AM, Angelos Mantzaflaris
<filiatra@xxxxxxxxx> wrote:
> Hello,
>
> I have a SparseMatrix and I need to set a row to zero, or set a column to
> zero, i.e. remove all coefficients at a certain row/column.
>
> Does this exist? If not, what is the best way to do it ?
>
> thank you in advance
> Angelos
>
>