Is there a method for finding the period of temperature data in R2007b?

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beginner94
beginner94 2018-10-8
评论： Guillaume 2018-10-8
Good morning,
I need to find the period of temperature data, but I'm working with R2007b and ''xcorr()'', ''findpeaks()'' don't exist in this Matlab version yet. Any ideas?
Thank you
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Adam
Adam 2018-10-8
编辑：Adam 2018-10-8
peak finding algorithms are not difficult to write yourself if you need it for a specific purpose rather than a generic 'handle all cases' algorithm.
Likewise, xcorr is just a simple manipulation of conv.

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Guillaume
Guillaume 2018-10-8
Any ideas?
Simplest, is to upgrade to something not as ancient.
Otherwise, scour the FileExchange for replacements. I know for sure that there is a findpeaks equivalent, I don't know about xcorr. Of course, there's no guarantee that these replacements will work under R2007b either.
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beginner94
beginner94 2018-10-8
Can't upgrade because of reasons...
I already tried those but cannot make them work :/ thank you nevertheless
Guillaume
Guillaume 2018-10-8
What are those and why couldn't you make them work? Perhaps you should focus on making those work. Otherwise, I suspect the answer is going to be to write your own findpeaks and xcorr.

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