[code]function[output]=tridiag(d,l,r)
A=zeros(3);
for i=1:5
A(i,i)=d(i);
for j=2:5
A(j,(i-1))=l(j);
for k=1:4
A(k,(i+5))=r(k);
end
end
end
A
end[/code]
on this part where it says,[code]for j=2:5
A(j,(i-1))=l(j);[/code]
I want the variable "i" to execute from 1 ~ 4. and not 5. That's why I put i-1 there, but obviously it won't work.
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