请问这个lingo程序为什么不对?model:sets:quarters/ 1..7/:thi,wei,x,y,n;endsetsmax=@sum(quarters:x+y);sumtx=0;sumty=0;@for(quarters(I):sumtx=sumtx+x(I)*thi(I));@for(quarters(I):sumty=sumty+y(I)*thi(I)); sumtx

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请问这个lingo程序为什么不对?model:sets:quarters/ 1..7/:thi,wei,x,y,n;endsetsmax=@sum(quarters:x+y);sumtx=0;sumty=0;@for(quarters(I):sumtx=sumtx+x(I)*thi(I));@for(quarters(I):sumty=sumty+y(I)*thi(I)); sumtx

请问这个lingo程序为什么不对?model:sets:quarters/ 1..7/:thi,wei,x,y,n;endsetsmax=@sum(quarters:x+y);sumtx=0;sumty=0;@for(quarters(I):sumtx=sumtx+x(I)*thi(I));@for(quarters(I):sumty=sumty+y(I)*thi(I)); sumtx
请问这个lingo程序为什么不对?
model:
sets:
quarters/ 1..7/:thi,wei,x,y,n;
endsets
max=@sum(quarters:x+y);
sumtx=0;
sumty=0;
@for(quarters(I):sumtx=sumtx+x(I)*thi(I));
@for(quarters(I):sumty=sumty+y(I)*thi(I));
sumtx

请问这个lingo程序为什么不对?model:sets:quarters/ 1..7/:thi,wei,x,y,n;endsetsmax=@sum(quarters:x+y);sumtx=0;sumty=0;@for(quarters(I):sumtx=sumtx+x(I)*thi(I));@for(quarters(I):sumty=sumty+y(I)*thi(I)); sumtx
lingo不是编程语言 是模型语言 你这样写当然不行了
你解个方程x=x+a 那a不是0吗
自己想好了 左右的x不一样你就设为一组 别就用一个