帮忙看一下，错在那里了！

sfs

<>SETS
months/1..5/: capacity,price;
END SETS
data:
price=1100,1200,1300,1100,1150;
enddata
MIN = @sum(capacity(1)*price(1),capacity(2)*price(2),capacity(3)*price(3),capacity(4)*price(4),capacity(5)*price(5));
@sum(capacity(1)+capacity(2))&gt;=0;
@sum(capacity(3)+capacity(4)+capacity(5))&gt;=0;
@sum(5.8*capacity(1)+3.1*capacity(2)-capacity(3)+1.2*capacity(4)+2*capacity(5))&gt;=0;
@sum(-2.8*capacity(1)-0.1*capacity(2)+4*capacity(3)+1.8*capacity(4)+capacity(5))&gt;=0;
end</P>
<>初学lingo，望帮忙！</P>

sfs

<>补充说明</P><>出现如下</P><> invlid input A syntax error has occured</P><P>2] months/1..5/: capacity,price;
错误，</P>

zhujinjie

<>model:
sets:
months/1..5/:capacity,price;
endsets
data:
price=1100,1200,1300,1100,1150;
enddata
MIN = @sum(months(i):capacity(i)*price(i));
@sum(months(i):capacity(1)+capacity(2))&gt;=0;
@sum(months(i):capacity(3)+capacity(4)+capacity(5))&gt;=0;
@sum(months(i):5.8*capacity(1)+3.1*capacity(2)-capacity(3)+1.2*capacity(4)+2*capacity(5))&gt;=0;
@sum(months(i):-2.8*capacity(1)-0.1*capacity(2)+4*capacity(3)+1.8*capacity(4)+capacity(5))&gt;=0;
end</P><>我运行了，你试试看，我QQ是84233724</P>