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[Help-glpk] [Fwd: A Request]

From: Andrew Makhorin
Subject: [Help-glpk] [Fwd: A Request]
Date: Sat, 05 Sep 2015 23:27:47 +0300

-------- Forwarded Message --------
From: Shaghayegh Mokarami <address@hidden>
To: address@hidden
Subject: A Request
Date: Sat, 5 Sep 2015 18:55:19 +0430


I'm not very familar to GLPK.

My problem contains two LP model, LP1 and LP2 which be solved

The variables of model LP1 and LP2 are defined as x[i,j] and y[i,j],
respectively where

(i,j) in E, and 

set E within (V cross V);  

set V := 1..n;  


I want to use the optimum solutions of LP1 and LP2, in third LP model
LP3 as parameters. 

For example, LP3 contains these commands: 

param x{(i,j) in E}; 

param y{(i,j) in E};


var z{(i,j) in E};                                 



maximize Val: sum {(i,j) in E} (x(i,j)+ y(i,j))* z(i,j);


How should I save the optimum values of  x[i,j] and y[i,j] such that
they can be read in LP3 as parameters.

Thank you in advanced 



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