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

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beginner94 2018-10-8

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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 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 2018-10-8

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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 2018-10-8

Can't upgrade because of reasons...

I already tried those but cannot make them work :/ thank you nevertheless

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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