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mhhoang209

Vietnam
1 Posts
Posted - 11/07/2017 :  11:36:01 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): 9.0
Operating System: windows 10

Dear friends,
After some measurements i got some data and have this plot.
Now I need to extrapolate to the x-axis, and find 2 values of x.
Thank you so much and sorry for my bad English.
Edited by - mhhoang209 on 11/07/2017 11:39:35 AM

arstern

USA
237 Posts
Posted - 11/07/2017 :  12:40:39 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Please see if the documentation on interpolate/extrapolate helps:
http://www.originlab.com/doc/Tutorials/Interpolate-Gadget
http://www.originlab.com/doc/Origin-Help/Math-Inter-Extrapolate

Another method, you might want to do is create a fitted curve of your data and then find X from the fitted curve.

Select data -> Select Analysis -> Fitting -> Nonlinear Implicit Curve Fit
http://www.originlab.com/doc/Origin-Help/Fitting-Implicit

Within the Nonlinear Fit dialog -> Under Find X/Y -> select Find X from Y:
http://www.originlab.com/doc/Quick-Help/FindXfromY-FindYfromX

Thanks
Aviel
OriginLab
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