
From:  fork 
Subject:  Re: Cumulative Sum Question  Octave Newbie 
Date:  Thu, 6 Jan 2011 23:41:38 +0000 (UTC) 
Useragent:  Loom/3.14 (http://gmane.org/) 
> I don't know of the function you are looking for, >but how about a polynomial > curve fit through the nearest points >and then calculate the slope from the > polynomial. help polyfit (get the fitted curve) help polyval (generate a new curve at arbitrary points from the results of polyfit)
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