MPL Model Library

   {  Exmpl3.3-4_Infeasible.mpl  }

   {  Winston, Operations Research, Applications and Algorithms, 3rd ed.  }

   {  Chapter 3.3,  Example 4,  Infeasible,  Size: 2x2,  Page 65  }


TITLE     
    AutoCompanyInfeasible;

INDEX
    vehicle := (Cars, Trucks);
    shop    := (Paint, BodyAssembly);
DATA
    Profit[vehicle]          := (200, 300);
    CapPerDay[shop, vehicle] := (60, 40, 
                                 50, 50);
    MinProd[vehicle]         := (20, 30);
    
VARIABLES
    Produce[vehicle];

MODEL

    MAX TotalProfit =  SUM(vehicle: Profit * Produce);

SUBJECT TO

    ProdCapacity[shop] :

        SUM(vehicle: 1/CapPerDay * Produce)  <=  1;

BOUNDS
    Produce >= MinProd;
     
END

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