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Re: [igraph] how to write a Sparse matrix in R

From: Gábor Csárdi
Subject: Re: [igraph] how to write a Sparse matrix in R
Date: Thu, 13 Nov 2008 09:08:48 +0100

Hi, there is a package called 'R.matlab', it can read and write Matlab
.mat files. There was a bug in it recently, if you experience errors
then try to search for it on the R-help list for the workaround.


On Thu, Nov 13, 2008 at 5:17 AM, lan gao <address@hidden> wrote:
> Dear all,
>        I got a large sparse matrix in R . And I need to write this sparse
> matrix as a file for use in Matlab. (the sparse matrix in the format of
> "dgCmatrix "defined by the package " Matrix"
> (I know we can use write a sparse matrix with write.matrix.csr (x) , but
> here the x is needed to be in csr format. while the format of my  sparse
> matrix is dgCMatrix defined by the package Matrix.)
> Anybody can help me out of this?
> Thanks a lot!
> _______________________________________________
> igraph-help mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/igraph-help

Gabor Csardi <address@hidden>     UNIL DGM

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