Xpress-IVE 建模问题

cy411522

哪位高人能帮小弟解决这个问题，小弟不甚感激！！！
model "Burglar 1"
7 I; v% r7 `  ]3 S4 Kuses "mmxprs"
declarations
  V5 U4 `  T4 @9 nITEMS = 1..8 ! 物品标号范围
WTMAX = 102 ! 允许携带的重量最大值
3 z/ L- e4 H1 o- B- QVALUE: array(ITEMS) of real ! 物品价值
! \; \4 |. q4 @8 y7 y9 l8 i7 QWEIGHT: array(ITEMS) of real ! 物品重量
! u2 `9 p0 X* ^# @& L* ^take: array(ITEMS) of mpvar ! 1 表示带走物品i，0 表示不带走物品i
) B, \5 ]7 I6 A5 S) I1 Kend-declarations
! 物品: 1 2 3 4 5 6 7 8
VALUE := [ 15, 100, 90, 60, 40, 15, 10, 1]
WEIGHT := [ 2, 20, 20, 30, 40, 30, 60, 10]
! 目标: 使带走的总价值最大
MaxVal:= sum(i in ITEMS) VALUE(i)*take(i)
! 重量限制
sum(i in ITEMS) WEIGHT(i)*take(i) <= WTMAX
( w3 J& ~" V4 a: \* ~! 所有变量取值都为0 或1
2 ^4 S7 H! ~. z9 O, Cforall(i in ITEMS) take(i) is_binary
- A* t! V3 i0 J- [) E2 Rmaximize(MaxVal) ! 求解混合整数问题
, \3 q7 i* D7 A( b/ R% q1 ~+ i! 打印输出结果
writeln("Solution:\n Objective: ", getobjval)
forall(i in ITEMS) writeln(" take(", i, "): ", getsol(take(i)))
& C: d  M: K. _6 \1 W/ D! H$ Uend-model
这段程序运行不了

yunyun842

VALUE := [ 15, 100, 90, 60, 40, 15, 10, 1]
WEIGHT := [ 2, 20, 20, 30, 40, 30, 60, 10]
0 H! p- ?  q4 H& d9 |# @换成
, K$ {4 m* f+ e/ J2 xVALUE :: [ 15, 100, 90, 60, 40, 15, 10, 1]
WEIGHT :: [ 2, 20, 20, 30, 40, 30, 60, 10]
  [$ {& Q6 ]# w! c试试！

空木葬花

非常感谢楼主的福利！