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 adding up to graphs/datasets
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LabTalkNewbie

Germany
5 Posts

Posted - 02/20/2009 :  10:39:30 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release: 8Pro, SR4
Operating System: XP

Hi!

I have five coloums in my worksheet: A(X), B(Y), C(X), D(Y) with experimental data within. In the fifth coloum I want to have the sum of B and D, that means i want to add up two datasets.

My Problem is now that it is not possible to add linewise, because the x-columns are not identical, e.g. A(X) runs from 10 to 20 (steps: 1), but C(X) from 12.5 to 22.5(steps: 1)!

Is there any elegant possibility to do this? Because the data points are not precisely known, linear interpolation would be fine...

Best regards,

Mathias

emily_yu

China
37 Posts

Posted - 02/23/2009 :  01:36:10 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi, Mathisas

You can use Labtalk command to realize it.

Please see "Calculations Using Interpolation" in "Vector Calculations" section in this wiki page:

http://wiki.originlab.com/~originla/wiki/index.php?title=LabTalk:Operators

If any other question, please feel free to contact us.


Best regards,
Emily
OriginLab Technical Services
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