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
WTMAX = 102 ! 允许携带的重量最大值
9 A. v8 }  ^, s- Z$ M7 _- k- u+ BVALUE: array(ITEMS) of real ! 物品价值
$ }6 I3 B2 t% @/ f+ \WEIGHT: array(ITEMS) of real ! 物品重量
9 v2 j3 X* `7 J; J# mtake: array(ITEMS) of mpvar ! 1 表示带走物品i，0 表示不带走物品i
end-declarations
! 物品: 1 2 3 4 5 6 7 8
. N' u5 X- P6 O+ n. r: k7 V! KVALUE := [ 15, 100, 90, 60, 40, 15, 10, 1]
- v  q* `7 |& F- m; ]WEIGHT := [ 2, 20, 20, 30, 40, 30, 60, 10]
7 s. Q5 k' g2 Z4 p' C+ o+ R7 Z! 目标: 使带走的总价值最大
, ^& l& p: E; V, o3 x3 o, xMaxVal:= sum(i in ITEMS) VALUE(i)*take(i)
& ]- s! X3 ^: Q# U; f" J7 R! 重量限制
sum(i in ITEMS) WEIGHT(i)*take(i) <= WTMAX
! 所有变量取值都为0 或1
' l! ]# B/ q  I4 F4 Aforall(i in ITEMS) take(i) is_binary
* b& f& Q; [, Y) ]; lmaximize(MaxVal) ! 求解混合整数问题
! 打印输出结果
; l1 y2 d; I( J/ U* z6 wwriteln("Solution:\n Objective: ", getobjval)
forall(i in ITEMS) writeln(" take(", i, "): ", getsol(take(i)))
end-model
/ p7 E* f# p, G1 U" m这段程序运行不了
5 h) `0 M4 P# G- y9 p0 t" ^& ?

yunyun842

VALUE := [ 15, 100, 90, 60, 40, 15, 10, 1]
WEIGHT := [ 2, 20, 20, 30, 40, 30, 60, 10]
换成
VALUE :: [ 15, 100, 90, 60, 40, 15, 10, 1]
WEIGHT :: [ 2, 20, 20, 30, 40, 30, 60, 10]
试试！

空木葬花

非常感谢楼主的福利！