[SciPy-user] Creating a sparse matrix
Thu Dec 13 07:12:51 CST 2007
On Thu, 13 Dec 2007 14:03:14 +0100
Robert Cimrman <email@example.com> wrote:
> Nils Wagner wrote:
>> Hi all,
>> How can I build a sparse matrix from the following array
>> array([['1', '1', '1.7244067583090530E+05'],
>> ['1', '2', '4.7526228631699840E+04'],
> > ...
>> ['18', '24', '-1.0245630931609220E+03'],
>> ['24', '24', '4.2234547103090340E+03']],
>> data contains information about row, column and the
>> corresponding entry.
>> Any pointer would be appreciated.
> You read the data from a file, right?
You should convert
> indices to integers and values to floats during the
How can I do that on-the-fly ?
> would have your data ready for the COO matrix
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