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Re: [Help-glpk] Retrieving Solution Values

From: glpk xypron
Subject: Re: [Help-glpk] Retrieving Solution Values
Date: Mon, 09 Jul 2012 05:09:32 +0200

Hello David,

unfortunately your mail does not give sufficient information to analyze your 

Please, provide:
- version of GLPK
- version of the GLPK to Java binding used
- a reproducable example.

A .simplex() method existed in the GLPK 4.8 Java Interface published by Björn 
Frank, which is no longer maintained and cannot be used with current versions 
of GLPK, cf.

The current version of GLPK is 4.47.
The current version of GLPK for Java is 1.0.22 and is available at

Best regards


-------- Original-Nachricht --------
> Datum: Sun, 8 Jul 2012 21:16:10 -0400
> Betreff: [Help-glpk] Retrieving Solution Values

> Hi All,
> I am a PhD Student that is using GLPK in Java and my problem is that when
> I
> create a problem, solve it, and attempt to retrieve the primal values of
> variables, it seems to be doing things out of order even though my code
> has
> the problem creation, .simplex() solution method, and then the retrieval
> code afterwards.  Even if I replace the retrieval code with just a
> System.out.println("SOMETHING") it still prints that before the console
> print of the actual solution of the problem.  Any help at all is much
> appreciated.
> --
> David Myers

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