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Faddeeva function (FFT based)

by Kesh

 

21 Nov 2008

Faddeeva function, aka plasma dispersion function

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Description

W = FADDEEVA(Z) is the Faddeeva function, aka the plasma dispersion function, for each element of Z. The Faddeeva function is defined as:  
 
     w(z) = exp(-z^2) erfc(-jz)  
 
where erfc(x) is the complex complementary error function.  
 
This code is a modified version of the code listed in:  
 
J.A.C. Weideman, "Computation of the Complex Error Function," SIAM J. Numerical Analysis, pp. 1497-1518, No. 5, Vol. 31, Oct., 1994 Available Online: http://www.jstor.org/stable/2158232  

Acknowledgements

The author wishes to acknowledge the following in the creation of this submission:
Complex scaled complementary error function

MATLAB release MATLAB 7.7 (R2008b)
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