Extraction of Points where the slope is zero plot
Hello
I have one that will last for some time and were not able to understand so that any help would be appreciated.
I am trying to extract the values corresponding to the bottom of a Valley (slope = 0) for a set of arbitrary value XY data.
I have attached a sampling of data set; probably helps clarify what I'm doing.
As shown in the photo, I would like to extract the value pairs of the Valley (21.1925, 0.420687 & 24.4725, 0.420651)
I tried to take the derivative but it gives only one of the values... always have at least two solutions.
I tried to work with a polynomial interpolation and who went south fast... no idea what happened there.
In any case if you have a suggestion I would appreciate it
The best
SS
I hope I don't end up in a situation of Janet Jackson Super Bowl to show that. But joking aside I why you not try the trick, I gave you in my post dated 24/04/2009 13:01. As I said with a few adjustments, you should get the desired result. I tested it and it works very well see photo.
Tags: NI Software
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