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Thread Subject:
MPS to MATLAB format conversion?

Subject: MPS to MATLAB format conversion?

From: Sergio Lucero

Date: 17 Apr, 1998 06:04:55

Message: 1 of 4

I am using MATLAB to program interior-point methods. Very useful,
Mehrohtrah's predictor-corrector can be written in about 40 lines.

Now I'd like to test my code against some real-sized problems. Is there
some sort of utility that will convert MPS files to .MAT format or at
least some.m file that will read MPS?? Will I have to write it myself?

--
  Sergio Lucero "the important questions in life are
 Ph.D. Student in Applied Mathematics problems of stochastic optimization"
  University of California, Davis (uncertain origin)
(530) 758-6789 (NEW!) http://math.ucdavis.edu/~sergio/

Subject: MPS to MATLAB format conversion?

From: spellucci@mathematik.th-darmstadt.de (Peter Spellucci)

Date: 17 Apr, 1998 13:00:36

Message: 2 of 4

In article <6h6re7$73n$1@mark.ucdavis.edu>, Sergio Lucero <sergio@lobata.math.ucdavis.edu> writes:
|> I am using MATLAB to program interior-point methods. Very useful,
|> Mehrohtrah's predictor-corrector can be written in about 40 lines.
|>
|> Now I'd like to test my code against some real-sized problems. Is there
|> some sort of utility that will convert MPS files to .MAT format or at
|> least some.m file that will read MPS?? Will I have to write it myself?
|>
Zhangs LIPSOL code is also written in MATLAB . Since Zhang tested his
code with netlib/lp, there is necessarily some conversion code. also
the lp2mps conversion tool might be useful for you.
both can be obtained from
http://plato.la.asu.edu/guide.html
hope this helps
Peter
 

Subject: MPS to MATLAB format conversion?

From: mittelmann@asu.edu

Date: 19 Apr, 1998 18:22:54

Message: 3 of 4

In article <6h6re7$73n$1@mark.ucdavis.edu>,
  Sergio Lucero <sergio@lobata.math.ucdavis.edu> wrote:
>
> I am using MATLAB to program interior-point methods. Very useful,
> Mehrohtrah's predictor-corrector can be written in about 40 lines.
>
> Now I'd like to test my code against some real-sized problems. Is there
> some sort of utility that will convert MPS files to .MAT format or at
> least some.m file that will read MPS?? Will I have to write it myself?
>
> --
> Sergio Lucero "the important questions in life are
> Ph.D. Student in Applied Mathematics problems of stochastic optimization"
> University of California, Davis (uncertain origin)
> (530) 758-6789 (NEW!) http://math.ucdavis.edu/~sergio/
Hi,
look at
    http://plato.la.asu.edu/guide.html#LP
Tim Davis at UFL has what you need.

Hans Mittelmann

>


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Subject: MPS to MATLAB format conversion?

From: Hans D. Mittelmann

Date: 20 Apr, 1998 12:59:46

Message: 4 of 4

Sergio Lucero wrote:
>
> I am using MATLAB to program interior-point methods. Very useful,
> Mehrohtrah's predictor-corrector can be written in about 40 lines.
>
> Now I'd like to test my code against some real-sized problems. Is there
> some sort of utility that will convert MPS files to .MAT format or at
> least some.m file that will read MPS?? Will I have to write it myself?
>
> --
> Sergio Lucero "the important questions in life are
> Ph.D. Student in Applied Mathematics problems of stochastic optimization"
> University of California, Davis (uncertain origin)
> (530) 758-6789 (NEW!) http://math.ucdavis.edu/~sergio/
Hi,
just in case you haven't seen my reply yet: look at
     http://plato.la.asu.edu/guide.html#LP
Tim Davis at UFL has what you need.

--
Hans D. Mittelmann http://plato.la.asu.edu/
Arizona State University Phone: (602) 965-6595
Department of Mathematics Fax: (602) 965-0461
Tempe, AZ 85287-1804 email: mittelmann@asu.edu

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