Question

lingo中的 error12报错,为什么,程序如下

Answer 1

sets:

WH/W1..W6/:AL;

VD/V1..V8/:DJ;

links(wh,vd):x,c;

endsets

data:

al=60,55,51,43,41,52;dj=35,37,33,32,41,32,43,38;

c=6,2,6,7,4,2,5,9

4,9,5,3,8,5,8,2

5,2,1,9,7,4,3,3

7,6,7,3,9,2,7,1

2,3,9,5,7,2,6,5

5,5,5,5,8,1,4,3;

ENDDATA

min=@sum(links(i,j):c(i,j)*x(i,j));

@for(wh(i):@sum(vd(j):x(i,j) )