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Re: [Help-glpk] Linear Programming in Java using GLPK and MathProg
From: |
Andrew Makhorin |
Subject: |
Re: [Help-glpk] Linear Programming in Java using GLPK and MathProg |
Date: |
Tue, 11 Dec 2007 14:04:38 +0300 |
> I am writing a university timetabling language and solver in Java and
> I want to use the linear programming approach. I want to use a free
> solver and GLPK seems to be a good candidate. I intend the program to
> translate the timetabling problem into MathProg format and let the
> solver solves it. It seems that readModel in GlpkSolver allows me to
> do this, however it seems to output the result of the calculation in a
> file, is it possible to access parts of the solution without going to
> the file? Can I access the values, e.g. the value of the objective
> function in some ways?
To obtain solution components you can use glpk api routines
glp_mip_status, glp_mip_obj_val, glp_mip_row_val, and glp_mip_col_val.
For more details see the reference manual, section "Mixed integer
programming routines".