Re: Fast compressed_matrix from CSR/CSC triplets
Rishi Amrit <[email protected]>
| Newsgroups | gmane.comp.lib.boost.ublas |
|---|---|
| Message-ID | <CADxzdOu8VQ1Ui7cVw2MszrPeCBZvJ8SRgqyn1wLPJEQGW-BqHA@mail.gmail.com> |
Just to add to the woes, I may have the row/column indices vector (i.e. the one that corresponds to index2_data()) as unsorted. On Thu, May 31, 2012 at 2:24 PM, Rishi Amrit <[email protected]> wrote: > Hi, > > This might be trivial question, but I need to construct a compressed_matrix from > CSR / CSC triplets. > At the moment I'm using a nested for loop and using push_back, > but this is very slow. There has to be a faster way of constructing the sparse > matrix object from the CSR triplets. Any ideas ? > > R > > _______________________________________________ > ublas mailing list > [email protected] > http://lists.boost.org/mailman/listinfo.cgi/ublas > Sent to: [email protected] _______________________________________________ ublas mailing list [email protected] http://lists.boost.org/mailman/listinfo.cgi/ublas Sent to: [email protected]