题目

MODEL:
SETS:
WH/W1..W13/:X,Q,C,D,N,K;
LINKS(WH,WH):A,B,G,S,W,H;
ENDSETS
DATA:
C=10,8,4,4,1,4,1,2,2,3,3,5,4;!存储成本;
D=1000,800,400,400,100,400,100,200,200,300,300,500,400;!建设成本;
N=137071,90752,68715,76360,48443,61605,29912,48757,29453,23483,20645,40265,28607;!需求量;
K=100,80,40,40,10,40,10,20,20,30,30,50,40;!可提供车辆数;
G=@OLE('D:shuju1.xls',G);!两城市间公路距离;
S=@OLE('D:shuju1.xls',S);!两城市间铁路距离;
H=1,1,1,1,1,1,1,1,1,1,1,1,1
1,1,1,1,1,1,1,1,1,1,1,1,1
1,1,1,1,1,1,1,1,1,1,1,1,1
1,1,1,1,1,1,0,0,1,1,1,1,1
1,1,1,1,1,1,1,1,1,0,1,1,1
1,1,1,1,1,1,1,1,1,0,1,1,1
1,1,1,0,1,1,1,1,1,1,1,1,1
1,1,1,0,1,1,1,1,0,1,1,1,1
1,1,1,1,1,1,1,0,1,0,1,1,1
1,1,1,1,0,0,1,1,0,1,0,0,1
1,1,1,1,1,1,1,1,1,0,1,1,1
1,1,1,1,1,1,1,1,1,0,1,1,1
1,1,1,1,1,1,1,1,1,1,1,1,1;
H=@OLE('D:shuju1.xls',H);!是否通铁路;
ENDDATA
MIN=@SUM(WH:C*Q*X)+@SUM(WH:D*X)+300*@SUM(LINKS(I,J):A(I,J))+50*@SUM(LINKS(I,J):A(I,J)*G(I,J))+1000*@SUM(LINKS(I,J):B(I,J))+40*@SUM(LINKS(I,J):B(I,J)*S(I,J));!其中e=300,f=50,g=1000,h=40;
@FOR(WH:@BIN(X));
@FOR(LINKS:@BIN(B));!X,B为0,1变量;
@SUM(WH:Q*X)>=694731.99;!总需求约束;
@FOR(WH(J):Q(J)*X(J)+@SUM(WH(I):W(I,J))>=N(J));!单个城市需求约束;
@FOR(WH(I):W(I,J)=W(I,J));!单个城市运力约束;
@SUM(WH(I):@SUM(WH(J):A(I,J))

提问时间：2021-03-20

答案

MODEL: SETS: WH/W1..W13/:X,Q,C,D,N,K; LINKS(WH,WH):A,B,G,S,W,H; ENDSETS DATA: C=10,8,4,4,1,4,1,2,2,3,3,5,4;!存储成本; D=1000,800,400,400,100,400,100,200,200,300,300...