[Coin-discuss] Structural comparison of MPS files?

[Erling D. Andersen]

Based on my 20 years of experience with LP then I think the answer is there
is no such software.

Harvey Greenberg had tool called Analyze that would analyze a single LP.

Erling (https://mosek.com)



On Wed, Apr 6, 2016 at 10:36 PM, <acw at ascent.com> wrote:

> I could use a tool that takes two MPS files and compares them
> structurally. Specifically, it should not be "mazed" by mere name and order
> changes of rows and columns -- it should be able to recognize two
> isomorphic problems, and it would be wonderful if it could recognize
> only-mostly-isomorphic problems as well. It should give name changes and
> structural differences.
>
> I realize that in general, this is computationally hard, similar to graph
> isomorphism. But I'm wondering if any such tools exist. I could even
> imagine something with a user interface that lets the *user* provide
> guidance -- "Oh, mark these two constraints as the same" and the like.
>
> What's out there?
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-- 
Erling D. Andersen

MOSEK APS
Fruebjergvej 3, Box 16,
DK-2100 Copenhagen O

Ph: +4539179907
Mo: +4523629520
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