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 Fitting a moving exponential function
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zozimus_

Australia
1 Posts

Posted - 08/09/2018 :  7:38:02 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
OriginPro 2018b (64 bit) b.9.5.5.409

I have two columns of data, A and B. I want to fit an exponential function in column C (using the Exp1p2 function), using blocks of 5 rows of data. There's lots here I don't know how to do, so I'll explain what I'm aiming for:

Starting at row 5, I want to fit moving exponential functions (Exp1p2) like this:

Cn = expfit (A(n-2):B(n+2))

so:

C3 = expfit (A1:B5)
C4 = expfit (A2:B6)
C5 = expfit (A3:B7)
etc

Where C3 is row 3 of column C etc, and 'expfit' is however you would use the Exp1p2 function as a cell formula.

Any help would be very much appreciated!

Shirley_GZ

China
Posts

Posted - 08/10/2018 :  03:24:48 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Jon,

Sorry, it seems I have already supported you on this question via email, but ended up checking with you some details.
Would you please check your emails(from 2018/6/28 to 2018/7/10) and give me some feedback on my guess/suggestion firstly?

BTW, it will be helpful if you can show me your files with the operations you have tried and problems you met, via:tech@originlab.com.

Thank you for your patience and sorry for any inconvenience.

Thanks,
Shirley


Originlab Technical Service Team

Edited by - Shirley_GZ on 08/10/2018 03:36:19 AM
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