求助帖！！！急急急

model:
sets:
row/1..12/:b,m;
col/1..11/:c,x;
link(row,col):a;
endsets
data:
c=0.4 0.6 0.5 0.6 0.7 0.8 0.9 0.6 0.2 0.3 0.4;
a=1 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0 0
0 0 0 1 0 0 0 0 0 0 0
0 0 0 0 1 0 0 0 0 0 0
0 0 0 0 0 1 0 0 0 0 0
0 0 0 0 0 0 1 0 0 0 0
0 0 0 0 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 1 0 0
0 0 0 0 0 0 0 0 0 1 0
0 0 0 0 0 0 0 0 0 0 1
77 98 117 145 156 167 178 126 103 129 133;
b=50 50 50 150 100 150 50 100 50 50 50 2.28;
m=450 500 300 500 550 350 450 250 350 400 250 0;
enddata
max=@sum(col:c*x);
@for(row(i):@sum(col(j):a(i,j)*x(j))>=b(i));
@for(row(i):@sum(col(j):a(i,j)*x(j))<=m(i));
@for(link:@gin a(i,j);@gin b(i,j));
end

把那个我看看这个都哪里错了！！求大神

坐等回复，新手求教

没有人吗？