[Numpy-discussion] fft and roll

Ross Harder brussel13@yahoo....
Sat Apr 28 12:19:23 CDT 2007


Ahhh... that hadn't occured to me.  Just installed
Enthon and assumed it was up to date, but it's not.

Sorry for the misguided complaint.

Thanks,
Ross



--- Robert Kern <robert.kern@gmail.com> wrote:

> Ross Harder wrote:
> > Hi,
> > I'm new to Numpy, just bought the guide last week.
> >  
> > I've been disappointed by the difficulty I'm
> having
> > finding functions that are documented in the
> guide. 
> > So
> > far I've had to spend a lot of time tracking down
> that
> > the fft2 and fftn functions from the fftpack
> library,
> > which are documented in the numpy guide, are
> actually
> > in scipy.  I've also not been able to find the
> roll
> > function documented on page 99 of the guide.  
> > 
> > Did I just buy the guide at a time when it's
> > particularly out of date and there will be an
> update
> > soon?
> 
> Your numpy might be (very) out of date. All of those
> functions are in numpy 1.0
> and later (at least).
> 
> In [5]: import numpy
> 
> In [6]: numpy.fft.fft2
> Out[6]: <function fft2 at 0x17954f0>
> 
> In [7]: numpy.fft.fftn
> Out[7]: <function fftn at 0x1795470>
> 
> In [8]: numpy.roll
> Out[8]: <function roll at 0x1475170>
> 
> 
> -- 
> 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
> _______________________________________________
> Numpy-discussion mailing list
> Numpy-discussion@scipy.org
>
http://projects.scipy.org/mailman/listinfo/numpy-discussion
> 


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