| T O P I C R E V I E W |
| DJ6 |
Posted - 05/26/2020 : 9:41:57 PM
Origin Ver. and Service Release (Select Help-->About Origin):
Operating System: OriginPro 2020 STudent Version 64-bit
Can someone explain why my derived parameter (k) is positive when I use the ExpDec1 function and negative when I use the ExpGro1 function? Shouldn't it be the other way around?
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| 2 L A T E S T R E P L I E S (Newest First) |
| DJ6 |
Posted - 05/27/2020 : 09:15:05 AM
Thanks Shirley!
In this case, if I were to extrapolate a depuration constant from using ExpDec1 as my function and k as the value representing that constant, should my depuration constant be negative or remain positive? |
| Shirley_GZ |
Posted - 05/27/2020 : 05:15:18 AM
Hi DJ6,
Yes, the derived parameter k will be different for these two functions function, because there is a minus sign in ExpDec1 but ExpGro1 hasn't.
You can refer to these help pages:
https://www.originlab.com/doc/Origin-Help/ExpDec1-FitFunc
https://www.originlab.com/doc/Origin-Help/ExpGro1-FitFunc
If you mean other things or have any other questions, please feel free to let me know.
Thanks,
Shirley
OriginLab
Originlab Technical Service Team |
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