[yt-users] Energy Spectrum

[Elizabeth Tasker]

Thank you! I'll give this a go and let you know how I get on.

Elizabeth

Stephen Skory wrote:
> Elizabeth,
>
>   
>> There's code to calculate two-point functions (like structure functions and two-point correlation functions).  That's almost what you want - you could calculate the 2-point correlation function and do a fourier transform of it with numpy to get the power spectrum of your desired quantity.  See:
>>
>> http://yt.enzotools.org/doc/extensions/two_point_functions.html
>>     
>
>
>
> Let me add to Brian's response and say that, even as the author of the two-point functions framework, I often get confused on how to use it. It's very flexible and powerful, but not entirely intuitive (which are generally opposing things). I put two examples at the bottom of that page on how to do two-point correlations, where the second one is probably closer to what you want. Let me know if you want help on adapting the example to what you want.
>
> Good luck!
>  
> Stephen Skory
> stephenskory at yahoo.com
> http://stephenskory.com/
> 510.621.3687 (google voice)
>
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