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"
uses "mmxprs"
declarations
ITEMS = 1..8 ! 物品标号范围
: P7 a& k* }; k) q) {" bWTMAX = 102 ! 允许携带的重量最大值
" t' e8 ?4 v! i5 D3 W& m5 i6 yVALUE: array(ITEMS) of real ! 物品价值
WEIGHT: array(ITEMS) of real ! 物品重量
7 q2 A0 R* x  p9 T/ T) K, G( _take: array(ITEMS) of mpvar ! 1 表示带走物品i，0 表示不带走物品i
end-declarations
; J: q+ V' O3 e- G: B9 s! 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
. h; }  |. H+ BMaxVal:= sum(i in ITEMS) VALUE(i)*take(i)
# q, p+ q9 R" x: f% s! 重量限制
2 t; S& h+ Z8 l, A0 r& _& |sum(i in ITEMS) WEIGHT(i)*take(i) <= WTMAX
$ I6 Y  d5 ?8 \7 L1 k% C# }! 所有变量取值都为0 或1
forall(i in ITEMS) take(i) is_binary
maximize(MaxVal) ! 求解混合整数问题
! 打印输出结果
writeln("Solution:\n Objective: ", getobjval)
6 @8 E& S' N- b" H7 X9 Z4 ?forall(i in ITEMS) writeln(" take(", i, "): ", getsol(take(i)))
, }- Q) U+ d+ N  E- b. Iend-model
1 d0 n9 m* A: y0 w) }5 b6 v这段程序运行不了

yunyun842

VALUE := [ 15, 100, 90, 60, 40, 15, 10, 1]
0 _* P$ ]3 h& d9 Y( v! V8 gWEIGHT := [ 2, 20, 20, 30, 40, 30, 60, 10]
% w, e" G3 X9 \7 M* {& F( i; [# L换成
VALUE :: [ 15, 100, 90, 60, 40, 15, 10, 1]
$ W* _9 \0 q. T$ CWEIGHT :: [ 2, 20, 20, 30, 40, 30, 60, 10]
试试！

空木葬花

非常感谢楼主的福利！