[Ifeffit] How to fit "N" number of Neigbors in (D)Artemis?

[Huaming Guo]

Thanks. In this case, is the number of neibors equal to N * SO2 in the model
result? 

Regards

HM

Bruce Ravel 写:

> On Monday, August 20, 2012 09:02:28 PM Huaming Guo wrote:
>> I am using the (D)Artemis for EXAFS fitting. However, the "N" is set to be a
>> constant in the (D)Artemis. We can not set the variable for this parameter.
>> How can I do that if I model non crystalline samples using (D)Artemis?
>> Thanks a lot. 
> 
> In Artemis, N is a pure number, but S02 can take a math expression.
> 
> In the EXAFS equation, N and S02 are multiplied together.
> 
> Thus, you might consider parameterizing the amplitude by setting N to
> 1 and putting all of the parameterization in the math expression for
> S02.
> 
> B
> 
> 
> -- 
> 
>  Bruce Ravel  ------------------------------------ bravel at bnl.gov
> 
>  National Institute of Standards and Technology
>  Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2
>  Building 535A
>  Upton NY, 11973
> 
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