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Wavelab Toolbox >> Wavelab Toolbox > Periodic Meyer Wavelet Transform Tools > QuasiDCT

QuasiDCT

Nearly Discrete Cosine Transform of Type I.

Calling Sequence

c = QuasiDCT(x,Dir)

Parameters

Inputs:

x :

signal of dyadic length

Dir :

string direction indicator 'f' forward ; 'i' inverse

Outputs:

c :

discrete cosine transform, type I, of x

See also

Authors

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