lingo程序模型错误请大虾帮忙看看~MODEL:sets:i5/1..5/:a,d1,d2;j10/1..10/:b,d3,d4;link(i5,j10):p;endsetsdata:a=12345;b=12345678910;p=52215032422333341304433034000012004322013325321

Question

lingo程序模型错误请大虾帮忙看看~
MODEL:
sets:
i5/1..5/:a,d1,d2;
j10/1..10/:b,d3,d4;
link(i5,j10):p;
endsets
data:
a=1 2 3 4 5;
b=1 2 3 4 5 6 7 8 9 10;
p=
5 2 2 1 5 0 3 2 4 2
2 3 3 3 3 4 1 3 0 4
4 3 3 0 3 4 0 0 0 0
1 2 0 0 4 3 2 2 0 1
3 3 2 5 3 2 1 0 3 3
;
enddata
min=15*@sum(i5(i):d1(i)+d2(i))+20*@sum(j10(j):d3(j)+d4(j));
@for(i5(i):d1(i)=p(i,j)*@if(x1-a(i)#lt#0,a(i)-x1,x1-a(i)));
@for(i5(i)|x2#gt#x1:d2(i)=p(i,j)*@if(x2-a(i)#lt#0,a(i)-x2,x2-a(i)));
@for(j10(j):d3(j)=p(i,j)*@if(y1-b(j)#lt#0,b(j)-y1,y1-b(j)));
@for(j10(j):d4(j)=p(i,j)*@if(y2-b(j)#lt#0,b(j)-y2,y2-b(j)));
x1>1;
x11;
y1

Answer 1

目前看来错误主要是由于一些没有定义的变量引起的,
min=15*@sum(i5(i):d1(i)+d2(i))+20*@sum(j10(j):d3(j)+d4(j));
@for(i5(i):d1(i)=p(i,j)*@if(x1-a(i)#lt#0,a(i)-x1,x1-a(i)));
@for(i5(i)|x2#gt#x1:d2(i)=p(i,j)*@if(x2-a(i)#lt#0,a(i)-x2,x2-a(i)));
@for(j10(j):d3(j)=p(i,j)*@if(y1-b(j)#lt#0,b(j)-y1,y1-b(j)));
@for(j10(j):d4(j)=p(i,j)*@if(y2-b(j)#lt#0,b(j)-y2,y2-b(j)));
x1>1;!以下x1,y1皆没有定义,所以会报错;
x11;
y1