On 2015-02-05 Martin Maechler wrote:
[...]
> Both a definition of the DFT (in LaTeX or directly as \deqn{}{}) which
> matches *our* fft(), and an extended commented example (ca 20 lines,
> rather than ca 100 lines!) would be welcome additions.
[...]
Here is a previous attempt:
https://stat.ethz.ch/pipermail/r-devel/2008-June/049807.html
It fell on deaf ears so someone could improve on it. I still
google this page when I have to remind myself what fft()
is doing.
h.
--
+---
| Hiroyuki Kawakatsu
| Business School, Dublin City University
| Dublin 9, Ireland. Tel +353 (0)1 700 7496
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