搜搜考试网lingo 模型定义错误,求高手修改,
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lingo 模型定义错误,求高手修改,
model:
sets:
n/1..20/;
a/1..13/:demand;
links(n,a):b,x;
endsets
data:
demand,b=@ole('D:\123.xls');
enddata
min=@sum(links:b*x(i,j));
@for(a(j):
@sum(n(i):x(i,j))=1);
@for(n(i):
@sum(a(j):x(i,j))
model:
sets:
n/1..20/;
a/1..13/:demand;
links(n,a):b,x;
endsets
data:
demand,b=@ole('D:\123.xls');
enddata
min=@sum(links:b*x(i,j));
@for(a(j):
@sum(n(i):x(i,j))=1);
@for(n(i):
@sum(a(j):x(i,j))
model:
sets:
n/1..20/;
a/1..13/:demand;
links(n,a):b,x;
endsets
data:
demand,b=@ole('D:\123.xls');
enddata
min=@sum(links:b*x);
@for(a(j):
@sum(n(i): x(i,j))=1);
@for(n(i):
@sum(a(j): x(i,j))
再问： 为什么我写的有问题啊？？谢谢
sets:
n/1..20/;
a/1..13/:demand;
links(n,a):b,x;
endsets
data:
demand,b=@ole('D:\123.xls');
enddata
min=@sum(links:b*x);
@for(a(j):
@sum(n(i): x(i,j))=1);
@for(n(i):
@sum(a(j): x(i,j))
再问： 为什么我写的有问题啊？？谢谢