[SciPy-User] Reality check

David Goldsmith d.l.goldsmith@gmail....
Sun Jul 11 12:00:29 CDT 2010


On Sat, Jul 10, 2010 at 8:43 PM, Robert Kern <robert.kern@gmail.com> wrote:

> On Sat, Jul 10, 2010 at 22:37, David Goldsmith <d.l.goldsmith@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.
>

Thanks, Robert! :-)

DG
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.scipy.org/pipermail/scipy-user/attachments/20100711/91809fd2/attachment.html 


More information about the SciPy-User mailing list