[SciPy-User] Reality check
Robert Kern
robert.kern at gmail.com
Sat Jul 10 23:43:59 EDT 2010
On Sat, Jul 10, 2010 at 22:37, David Goldsmith <d.l.goldsmith at gmail.com> wrote:
> The default for the axis argument of fftpack.rfft is -1; I couldn't find the
> source for what this function ultimately calls, but the fact that it
> preserves the shape of its input (determined empirically) suggests that it
> means transform over the last axis (as opposed to transform flattened
> input). Two questions:
>
> a) Is this correct?
Yes.
> b) I forget: this means that it is transforming "across" columns, i.e., each
> row represents a separate data set, correct?
Yes.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
-- Umberto Eco
More information about the SciPy-User
mailing list