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Re: [Help-glpk] suffixes in mathprog
From: |
Andrew Makhorin |
Subject: |
Re: [Help-glpk] suffixes in mathprog |
Date: |
Mon, 17 May 2010 00:24:48 +0400 |
Hi Ivo,
> I have some stupid problems downloading VC 2010 and couldn #39;t
> therefore test the pre-relase 4.44 with the suffixes.
> Attached the airline_revenue_mgt.mod model that I created today to
> show the benefits of the dual suffix within MathProg.
> I am very sorry for this; please find for another tester.
In your model 'fare' is parameter, so it cannot be used with a suffix.
I fixed this error and successfully solved your model:
GLPSOL: GLPK LP/MIP Solver, v4.44
Parameter(s) specified in the command line:
-m airline_revenue_mgt.mod --log test.txt
Reading model section from airline_revenue_mgt.mod...
Reading data section from airline_revenue_mgt.mod...
119 lines were read
Generating revenue...
Generating supply...
Model has been successfully generated
GLPK Simplex Optimizer, v4.44
3 rows, 6 columns, 14 non-zeros
Preprocessing...
2 rows, 6 columns, 8 non-zeros
Scaling...
A: min|aij| = 1.000e+00 max|aij| = 1.000e+00 ratio = 1.000e+00
Problem data seem to be well scaled
Constructing initial basis...
Size of triangular part = 2
0: obj = 1.960000000e+04 infeas = 8.000e+01 (0)
* 2: obj = 2.160000000e+04 infeas = 0.000e+00 (0)
* 5: obj = 2.400000000e+04 infeas = 0.000e+00 (0)
OPTIMAL SOLUTION FOUND
Time used: 0.0 secs
Memory used: 0.1 Mb (124353 bytes)
Net network contribution of ODF 1 is 50
Net network contribution of ODF 2 is 0
Net network contribution of ODF 3 is 40
Net network contribution of ODF 4 is 0
Net network contribution of ODF 5 is 70
Net network contribution of ODF 6 is -10
Model has been successfully processed