(!****************************************************** Mosel Example Problems ====================== file burglar2m.mos `````````````````` Use of I/O drivers for data handling. *** Not intended to be run standalone - run from burgbindata.* *** (c) 2008 Fair Isaac Corporation author: S. Heipcke, 2004,rev. Apr. 2013 *******************************************************!) model Burglar2r uses 'mmxprs' parameters DATA='bin:burgdatabin' SOL='bin:resdatabin' WTMAX = 102 ! Maximum weight allowed end-parameters declarations ITEMS: set of string ! Index set for items VALUE: array(ITEMS) of real ! Value of items WEIGHT: array(ITEMS) of real ! Weight of items SOLTAKE: array(ITEMS) of real ! Solution values end-declarations initialisations from DATA [VALUE, WEIGHT] as "BurgData" end-initialisations declarations take: array(ITEMS) of mpvar ! 1 if we take item i; 0 otherwise end-declarations ! Objective: maximize total value MaxVal:= sum(i in ITEMS) VALUE(i)*take(i) ! Weight restriction sum(i in ITEMS) WEIGHT(i)*take(i) <= WTMAX ! All variables are 0/1 forall(i in ITEMS) take(i) is_binary maximize(MaxVal) ! Solve the problem ! Solution output forall(i in ITEMS) SOLTAKE(i):= getsol(take(i)) writeln("Solution:\n Objective: ", getobjval) writeln(SOLTAKE) initialisations to SOL SOLTAKE as "SolTake" evaluation of getobjval as "Objective" end-initialisations end-model