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Re: [Help-glpk] MathProg and column sequencing

From: Andrew Makhorin
Subject: Re: [Help-glpk] MathProg and column sequencing
Date: Wed, 7 Mar 2007 16:45:45 +0300

>> When I in MathProg generate a variable xxx[aaa,bbb] and use
>> *lpx_read_model, can I trust that the column name generated  for this
>> variable in in the callable library will be just that, namely
>> xxx[aaa,bbb]?
> Yes, with the only exception: if aaa (or bbb) contains any special
> characters (i.e. not from the set: + - . 0 1 2 3 4 5 6 7 8 9), it is
> enclosed in single quotes: "xxx['aaa','bbb']".

Oops, I am mistaken, sorry. No single quotes, i.e. "xxx[aaa,bbb]".

> You can determine the generated names using the routine lpx_print_prob,
> which writes the problem instance to a text file in a printable format.

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