looks so easy but makes big problems!

6 次查看（过去 30 天）
omid kim
omid kim 2012-11-28
hi Im an amateur programmer!!!!!!!! take a look at this
for j=1:b
if s(i1,j)==s(i2,j)
v{i1,i2}(1,j)=0;
end
if s(i1,j)~=s(i2,j)
v{i1,i2}(1,j)=1;
end
if j==b
y=sum(v{i1,i2});
end
if y==1 && v{i1,i2}(1,j)==1
w{i3}(h,:)=s(i1,:);
w{i3}(h,j)=9;
h=h+1;
end
end
when I run it, it has this error: ??? Undefined function or variable 'y' who knows what the problem is????????

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采纳的回答

Matt J
Matt J 2012-11-28
编辑：Matt J 2012-11-28
If y isn't created until j==b
if j==b
y=sum(v{i1,i2});
end
then for j<b, this line won't be able to find y
if y==1 && v{i1,i2}(1,j)==1

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