[SciPy-dev] DCT naming conventions ?
Sun Jan 18 08:58:13 CST 2009
If it's not too hard, could you also add the multidimensional transform?
On Sun, Jan 18, 2009 at 6:18 AM, David Cournapeau <
> I needed DCT transforms, so I finished implementing them in scipy
> (both single and double prec):
> I followed the definitions of wikipedia/fftw, using the fftpack
> implementations. I am not sure about naming conventions:
> - dct2 is the type II DCT, not the 2dimension DCT (multidimensional
> dcts are not implemented - I don't need them myself)
> - dct3 and dct2 are inverse from each other (compared to dct/idct
> notation of matlab; dct2(x, norm=ortho) is the same as matlab dct(x),
> and dct3(x, norm='ortho') is the same as matlab idct.
> Unless someone has a better idea/suggestion, I will put those
> definitions in scipy.fftpack namespace in a couple of days,
> Scipy-dev mailing list
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Scipy-dev