#13601: Module to load matrix from file
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Reporter: r.gaia.cs | Owner: jason, was
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.5
Component: linear algebra | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Description changed by r.gaia.cs:
Old description:
> Numpy and Scipy has functions to load matrix save in text files (Numpy:
> http://docs.scipy.org/doc/numpy/reference/routines.io.html and Scipy:
> http://docs.scipy.org/doc/scipy/reference/io.html).
>
> Will be nice to have a Sage function to call some of this function as
> backend and to handle with more file formats.
New description:
Numpy and Scipy has functions to load matrix save in text files (Numpy:
http://docs.scipy.org/doc/numpy/reference/routines.io.html and Scipy:
http://docs.scipy.org/doc/scipy/reference/io.html).
Will be nice to have a Sage function to call some of this function as
backend and to handle with more file formats.
In attachment trac_13601-matrix_io.patch was suggest the follow formats:
* A single matrix in a text file without header or any other information.
* Coordinate Text File.
* Octave's binary data format.
* Octave's binary data format.
* hdf5 format.
* The Matrix Market (MM) exchange formats.
* The Harwell-Boeing format.
* Matlab format.
* IDL save file.
* Mathematical Programming System (mps).
Load Matlab and IDL format was implemented as a backend of Scipy and MPS
was implemented from scratch.
Load others suggest formats wasn't implemented. Neither the functions to
write.
'''To improve this module, please open other ticket.'''
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13601#comment:2>
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