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 x coordinates of the curve are not monotonic

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gydlake2013 Posted - 07/11/2013 : 09:47:50 AM
Origin Ver. and Service Release (Select Help-->About Origin): OriginPro 9 (32bit), SR2
Operating System: xp

Hi,

When I tried the Signal processing: decimate, It opens the dialog with "x coordinates of the curve are not monotonic". I believe the data in x should be monotonic. Is there some limitation with this feature? Thanks!
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snowli Posted - 07/11/2013 : 10:01:55 AM
Yes, the x must be monotonic.

Maybe you have some x with same values, that's not working either.

If that's the case, you can first highlight your XY columns and choose Analysis: Data manipulation: Reduce Duplicate X

Then do the decimation?

Thanks, Snow Li
OriginLab Corp.


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