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Do you know how this gradient is calculated? If you have noisy data probably the gradient changes a lot, but that doesn't have to mean that there is a max/min.

Navi
– Navi

2011-01-27 15:09:03 +00:00
Commented Jan 27, 2011 at 15:09
Yes I know, however noisy data is a different issue. For that I guess use convolve.

Mike Vella
– Mike Vella

2011-01-27 15:41:05 +00:00
Commented Jan 27, 2011 at 15:41
1

I needed something similar for a project I was working on and used the numpy.diff method mentioned above, I thought it may be helpful to mention that for my data the above code missed a few maxima and minima, by changing the middle term in both if statements to <= and >= respectively, I was able to catch all the points.

user723888
– user723888

2011-04-25 15:05:46 +00:00
Commented Apr 25, 2011 at 15:05

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