Steel Production

    {  Exmpl1.4-2_ProdPlanning.mpl  }

    {  AMPL A Modeling Language for Mathematical Programming, 2nd Edition }

    {  Chapter 1.4,  Production Planning,  Size: 1x3,  Page 14 }


TITLE
    ProductionPlanning2;

INDEX
    product := (bands, coils,plate);

DATA
    ProdRate[product]     := (200, 140, 160);
    Profit[product]       := (25, 30, 29);
    ProdCapacity[product] := (6000, 4000, 3500);
    AvailHours := 40;

VARIABLE
    Produce[product];

MODEL

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

SUBJECT TO

    Time: SUM(product: Produce / ProdRate) <= AvailHours;

BOUNDS
    ProdLimit: Produce <= ProdCapacity;

END