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// Unbounded
// Reference :Problem Set 5C,2, The Simplex method and Sensitivity Analysis, Hamdy A. Taha. "Operations Research-An Introduction", 9E(2014))
// Objective function
c = [-20,-10,-1]';
// Lower Bound of variable
lb = [0,0,0]
// Upper Bound of variables
ub = [%inf,%inf,%inf]
// Constraint Matrix
A = [3,-3,5;
1,0,1;
1,-1,4]
b=[50,10,20]'
intcon = [1 2 3];
// Calling cbcintlinprog
[x,f,status,output] = cbcintlinprog(c,intcon,A,b,[],[],lb,ub)
// output =
//
// relativegap: 0
// absolutegap: 0
// numnodes: 0
// numfeaspoints: 3
// numiterations: 1
// constrviolation: 0
// message: "Continuous Solution Unbounded"
// status =
//
// 6.
// f =
//
// 1.79D+308
// x =
//
// 10.
// 0.
// 0.
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