How to use find function to find consistent value in column?

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Franchesca
Franchesca 2014-5-15
回答： Sean de Wolski 2014-5-15
How do I find when a value in a matrix is the same (+ or - 5%) for say 20 rows?
I have this code so far:
%% Find start of jump
st = find(mydata(:,5),
but I don't know how to finish the find function of to find when the value of the rows is constant (+ or - 5%) for 20 rows for example.

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Sean de Wolski
Sean de Wolski 2014-5-15
Look at diff() This will tell you the difference between rows.

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