[OctDev] [SIGNAL] findpeaks.m added

[JuanPi <aj...@gm...>]

Hi all,

I added the function findpeaks.m to the signal package. Enjoy!

-- 
JuanPi Carbajal
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"It is one thing not to be able to perform a certain feat, but quite
another to prove that it cannot be done." - Henry Ernest Dudeney
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http://ailab.ifi.uzh.ch/carbajal/