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 Merging two data rows with different step-widths
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Lumocolor

Germany
1 Posts

Posted - 09/05/2017 :  10:03:12 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): Origin Pro 2015 x64 SR1
Operating System: Win 10 x64

Hey experts, I have to ask for your advise because I have no idea how to deal with this problem:

I have two discrete data rows who behaving like:
d1=f(t) and
d2=f(t)

and I need the visualization of d1=f(d2) [f(t)=f(t)]

Unfortunately, the x-values of the data rows are not equal, they are differing in range, number and step-width. Also the step-width isn't constant.

I there an easy way to interpolize etc. the two data rows to merge the overlapping range to the new graph?

Thank you very much!

Best,
Max

AmandaLu

439 Posts

Posted - 09/05/2017 :  11:38:09 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Have you tried Analysis: Mathematics: Interpolate/Extrapolate Y from X:

http://www.originlab.com/doc/Origin-Help/Math-Inter-Extrapoltate-YfromX

or Analysis: Mathematics: Interpolate/Extrapolate:

http://www.originlab.com/doc/Origin-Help/Math-Inter-Extrapolate

Please note that most of Origin operations are based on column. If you store dataset by rows, please use Worksheet: Transpose to transpose them first.

Thanks,
Amanda
OriginLab Technical Service
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