lingo一直提示Index variables may not share names with other variables！求指错！

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Sets:

SI/1..5/:s;

SJ/1..4/:c;

SK/1..4/:q,u;

link1(SI,SJ):x,a,tij;

link2(SJ,SK):y,b,tjk;

endsets

data:

s=180,140,120,140,120;

q=200,160,220,80;

u=0.75,0.75,0.75,0.75;

capij=200;

capjk=100;

tij=0.56 12.22 7.97 3.33 13.33

    0.89 3.33 7.28 4.11 12.44

    1.28 15.11 6.78 3.6 12.22

    1.11 14.33 10.44 4.56 14.44;

tjk=1.6 2.34 3.4 2.7

    2 1.2 1.4 4

    3.5 3 1.3 5.2

    2 2.8 3.4 4.4;

enddata

min=@smax((tij(i,j)+tjk(j,k))*c(j));

@sum(SI(i): @sum(SJ(j): x(i,j)*a(i,j)))=@sum(SJ(j):@sum(SK(k):y(j,k)*b(j,k)));

#Index variables may not share names with other variables#

@for(SJ(j):

          @sum(SI(i): x(i,j)*a(i,j))=@sum(SK(k):y(j,k)*b(j,k)));

@for(SI(i):

         @sum( SJ(j):x(i,j)*a(i,j))<=s(i));

@for(SJ(j):

         @sum(SK(k):b(j,k))=c(j));

@for(SJ(j):

         @sum(SI(i):a(i,j))=c(j));

@for(SI(i):@for(SJ(j):x(i,j)*a(i,j)<=capij));

@for(SJ(j):@for(SK(k):y(j,k)*b(j,k)<=capjk));

@for(link1(i,j):@bin(a));

@for(link2(j,k):@bin(b));

@for(SJ(j):c(j)=a(i,j)*b(j,k));

@for(SK(k):@sum(SJ(j):y(j,k)*b(j,k))/q(k)>=u(k));

@for(SI(i):@for(SJ(j):x(i,j)>=0));

@for(SJ(j):@for(SK(k):y(j,k)>=0));

end

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关键词：Variables Variable share Names Other names link1 share

你补充的不全啊，缺了头，应该是属性上设置冲突