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From: Jan Simon on 26 Jan 2010 18:42
Dear Luna!

> > > I want to find the length of longest consecutive stripe in that
> > > column...

You can find the indices of changes between the values with:
Ind = find(diff(x))
Then you can find the number of elements between the changes with a further DIFF:
Len = diff(Ind)
Now [Num, MaxInd] = MAX(Len) gives the index and number of the longest sequence. *But* the marginal elements are not correctly considered now!
Ind = [0; find(diff(x)); length(x)];
[LongestSeq, MaxInd] = max(diff(Ind));
LongestInd = Ind(MaxInd) + 1;
(Please test this before using!)

Good luck, Jan
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