$TITLE MILP 2 * Algoritmo de Aproximacao Externa - Solucao do Mestre MILP $OFFSYMXREF $OFFSYMLIST *VARIABLES ALFA, Z; VARIABLES Z; POSITIVE VARIABLES X1, X2; BINARY VARIABLES Y1, Y2, Y3; *EQUATIONS CON1,CON2,CON3,CON4,CON5,CON6,CON7,CON8,OBJ; EQUATIONS CON2,CON3,CON4,CON5,CON6,CON7,CON8,OBJ; *CON1.. Y1+1.5*Y2+0.5*Y3+4*X1+4*X2-8-ALFA=L=0; CON2.. -X2=L=0; CON3.. -X1+2*Y1=L=0; CON4.. X1-X2-4*(1-Y2)=L=0; CON5.. -X1+(1-Y1)=L=0; CON6.. -X2+Y2=L=0; CON7.. -X1-X2+3*Y3=L=0; CON8.. Y1+Y2+Y3-1=G=0; *OBJ.. Z=E=ALFA; OBJ.. Z=E=Y1+1.5*Y2+0.5*Y3+4*X1+4*X2-8; * Limite Superior X1.UP=4; X2.UP=4; * Valor Inicial MODEL MILP2 / ALL / ; OPTION MIP = OSL; *OPTION MIP = CPLEX; *OPTION MIP = BDMLP; *OPTION MIP = XA; *OPTION MIP = XPRESS; *OPTION MIP = ZOOM; OPTION sysout = on; SOLVE MILP2 USING MIP MINIMIZING Z;