mpl - Programming language

mpl is a programming language created in 1988.

#2492on PLDB

36Years Old

Tags: programming language
Early development of mpl happened in Maximal Software, Inc.
See also: (2 related languages) GAMS, AMPL
Read more about mpl on the web: 1.

Example from the web:

{   Planning.mpl   }

{   Aggregate production planning for 12 months   }


TITLE
   Production_Planning;

INDEX
   product = 1..3;
   month   = (January,February,March,April,May,June,July,
              August,September,October,November,December);

DATA
   price[product]              := (105.09, 234.00, 800.00);
   Demand[month,product]       := 1000 DATAFILE(demand.dat);
   ProductionCapacity[product] := 1000 (10, 42, 14);
   ProductionCost[product]     := (64.30, 188.10, 653.20);
   InventoryCost               := 8.8 ;

DECISION VARIABLES
   Inventory[product,month]     ->  Invt
   Production[product,month]    ->  Prod
   Sales[product,month]         ->  Sale

MACRO
   Revenues  := SUM(product,month: price * Sales);
   TotalCost := SUM(product,month: InventoryCost * Inventory
                                 + ProductionCost * Production);
MODEL

   MAX   Profit  =  Revenues - TotalCost ;

SUBJECT TO
   InventoryBalance[product,month]  ->  IBal :
   Inventory  =  Inventory[month-1] + Production - Sales ;

BOUNDS
   Sales  < ProductionCapacity ; Inventory[month="January..November]" < 90000 ;
   Inventory[month="December]" ; END