bug-glpk
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Bug-glpk] Incorrect result from glpk-4.39


From: Ali Baharev
Subject: Re: [Bug-glpk] Incorrect result from glpk-4.39
Date: Fri, 14 Aug 2009 11:00:29 +0200

Hello,

To begin with, i cannot help you.

It seems to me that your problem has to do something with scaling.

>  A: min|aij| =  1.233e-32  max|aij| =  6.136e-01  ratio =  4.978e+31

If you look at the ratio, it is clear that the difference 6.136e-01 -
1.233e-32 will have zero correct significant digits when computed with
double precision arithmetic.

I have reported a bug recently, which also has to do something with scaling.

http://lists.gnu.org/archive/html/bug-glpk/2009-08/msg00000.html

I hope Andrew can resolve the problems soon.

Ali




reply via email to

[Prev in Thread] Current Thread [Next in Thread]