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multiple/partial coherence possible in labview?

Hi. Is it possible the calculate multiple coherence and partial coherence functions in Labview?

 

I came across this description in Matlab central:

 

 

Multiple Coherence Function

File Information
Description

For a system having multiple inputs x and outputs y, the partial coherence is the coherence computed between any individual input and the output when the effect of all other inputs is removed from the output by a linear least squares prediction. This coherence obeys the usual inequality, and will reveal the existence of a linear relationship between a particular residual input and the output even when the relationship is not apparent from the ordinary coherence function

Required Products Signal Processing Toolbox
MATLAB release MATLAB 7.1.0 (R14SP3)
Other requirements tested on Windows.

 

 

I already have a VI up and running in labview  which calculates coherence and transfer functions between one input (bloodpressure) and one output (transcranial Doppler data). Now I want to correct for the influence of CO2 fluctuations, and the system is then described by two inputs (bloodpressure and CO2) and 1 output (transcranial doppler).

 

My question is: do I need to build a matlab node into the labview code, or is there a method available for multiple/partial coherence and transfer functions in labview?

 

Thanks,

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Hello jwelt,

 

I asked one of our LabVIEW experts and he informed me that LabVIEW does not offer its own multiple coherence functions. As you mentioned. How do you have been implementing your current coherence?  If you already have the function written in Matlab, you should just be able to use the Matlab Script Node to run it.

Otherwise you just need to give us more details so that we can help you better.

Besides I give you some more info about that Matlab Script with the links below.

http://www.mathworks.com/matlabcentral/fileexchange/14431-multiple-coherence-function/content/Multip...

http://www.mathworks.com/matlabcentral/fileexchange/14431

 

Regards,

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Thanks for your reply,

 

I'll try the mathlab solution first and see if can implement a Matlab node. 

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