oking at the first and last points of the window; if they are
> the same values, then the window is incorrect.
>
If you use signal.get_window(), the default is sym=False:
def get_window(window, Nx, fftbins=True):
# snip
sym = not fftbins
Dave Cook
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e+38
> nexp = 8 min=-max
> -----
>
Thanks for that.
Dave Cook
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)
I would expect float32 to be able to represent
numbers with exponents as small as -127.
Thanks,
Dave Cook
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On Thu, Feb 9, 2012 at 9:41 PM, Dave Cook wrote:
>
> Interesting. I should have mentioned that I'm using numpy 1.5.1 on 64-bit
> Ubuntu 10.10. This transpose/compute/transpose trick did not work for me.
>
>
Nor does it work under numpy 1.6.1 built with MKL under Windows 7
T == a.cumsum(0)).all()
> Out[14]: True
>
>
Interesting. I should have mentioned that I'm using numpy 1.5.1 on 64-bit
Ubuntu 10.10. This transpose/compute/transpose trick did not work for me.
In [27]: timeit a.T.cumsum(-1).T
10 loops, best of 3: 18.3 ms per loop
Dave Cook
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[1]: from cumsumtest import *
True
True
In [2]: timeit npcumsum(a)
100 loops, best of 3: 14.7 ms per loop
In [3]: timeit addaccum(a)
100 loops, best of 3: 15.4 ms per loop
In [4]: timeit loopcumsum(a)
100 loops, best of 3: 2.16 ms per loop
Dave Cook
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