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What algorithm is used for FFTs in Mathcad 15

regcurry
14-Alexandrite

What algorithm is used for FFTs in Mathcad 15

Does anyone know what algorithm is used for the various FFTs in MATHCAD 15?

Thanks,

Reg

Reg
1 ACCEPTED SOLUTION

Accepted Solutions
LucMeekes
23-Emerald III
(To:regcurry)

Hi Reg,

The Mathcad 11 user manual (much more informative than manuals of some later versions) says:

cfft    Singleton method (Singleton, 1986)

fft      Cooley-Tukey (Press et al., 1992)

 

Success!
Luc

 

View solution in original post

4 REPLIES 4
LucMeekes
23-Emerald III
(To:regcurry)

Hi Reg,

The Mathcad 11 user manual (much more informative than manuals of some later versions) says:

cfft    Singleton method (Singleton, 1986)

fft      Cooley-Tukey (Press et al., 1992)

 

Success!
Luc

 

regcurry
14-Alexandrite
(To:LucMeekes)

Thanks Luc

Reg
LucMeekes
23-Emerald III
(To:LucMeekes)

I realised today that the info on the references is also in the Mathcad 11 handbook. In case you want to look them up:

cfft     Singleton, R. Communications of ACM. Vol. 11, no. 11. November, 1986.

fft       Press, W.H., W.T. Flannery, S.A.Teukolsky, and B.P.Vetterling. Numerical Recipes in C. Cambridge University Press, New York, 1992.

 

Success!
Luc

 

regcurry
14-Alexandrite
(To:LucMeekes)

Thanks again Luc.  Turns out I have a PDF of the Mathcad 11 manual.  I will check out the references 

Reg

Reg
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