Hello all, I'm running 4.38 on winXP (inside a VM on top of Mac OS 10.5). When I try to optimize the attached file I get the following error:
Assertion failed: xlcmp(env->t_last, t) <= 0
Error detected in file ..\src\glplib10.c at line 109
The attached file is the smallest example I constructed that fails. The few
that I tried smaller than this worked. Of course, this problem is tiny
compared to what I'd really like to run.
The problem has the following basic structure:
Min z = SUM over type[ SUM over location (Overage_{type,location} +
Underage_{type,location})]
S.t.
Foreach type [ Foreach location [ SUM over group (k_{type,
group}*y_{location, group}) -Overage_{type,location} +
Underage_{type,location} =#_{t...@location}]]
Foreach group [ SUM over location (y_{location, group}) = 1
Y_{location, group} are binary
So I have a number of groups which I can put at any location. Each group
has needs of various types (defined by k_{type,group}). Each location has
various resources (defined by #_{t...@location}). The idea is that I need
to put groups at locations such that I meet their needs as closely as
possible and of course, I can't split a group across multiple locations.
Thanks for all of your work. Please let me know if you need any more info
from me.
Regards,
Seth
--
Sooner or later any problem will get big enough that you can¹t solve it.
But it¹s nicer if you make it later.
~A. Rosenberg
PSO_test_small.lp
Description: PSO_test_small.lp
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