Le 05/09/2011 18:41, Ralf Gommers a écrit :
> That rings a bell. I can reproduce this with 1.5.1, and it's fixed in
> master.
Thanks!
Cheers,
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Fred
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Hi all,
I get some issue using gradient on an array created from memmap:
PC-Fred[pts/10]:~/{11}/> ipython -p numpy
Python 2.6.7 (r267:88850, Jul 10 2011, 08:11:54)
Type "copyright", "credits" or "license" for more information.
IPython 0.10.2
Gaël, Olivier,
I finally got working it. I don't compute the nearest value but the mean.
Works like a charm ;-)
Thanks anyway.
Cheers,
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ut array data.shape = (nx, ny, nz) -> data[::ax, ::ay, ::az], ie
output array data[::ax, ::ay, ::az].shape = (nx/ax, ny/ay, nz/az).
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Fred
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ld like to have in one cell of the decimated array is the
nearest (for instance) value in the big array. This is what I call a
"condensated array".
How could I do that, a la NumPy?
TIA.
Cheers,
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Le 07/02/2011 13:37, josef.p...@gmail.com a écrit :
> n0, n1 = k.shape
> ind0 = np.arange(n0)[:,None]
> ind1 = np.arange(n1)
> q0 = C1[ind0,ind1, k[ind0,ind1]]
>
> or better
> q0 = C1[ind0,ind1, k]
Great!!!
Thanks a lot.
Cheers,
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Fred
work.
How could I do this ala NumPy?
TIA
Cheers,
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Fred
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gt; illustrate his very nifty Neighbour Iterator.
Ok.
Cheers,
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fred a écrit :
> Hi all,
>
> Say I have a 2D array A(nx, ny).
>
> In each A[i, j] I want to compute convolve(a, kernel)
>
> where a is subarray of A.
>
> a and kernel are small besides A.
I forgot to mention: kernel is not constant, of course.
It varies vs.
t I want? Any idea?
TIA.
Cheers,
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Fred
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Robert Kern a écrit :
> ((data[:,0]xmax) | (data[:,1] (data[:,1]>ymax)).sum()
Nice, as usual ;-)
I did not know this writing.
Thanks a lot.
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and I don't want to use a loop to count the number of bad points,
of course.
Any clue?
TIA.
Cheers,
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Emmanuelle Gouillart a écrit :
> Hi Fred,
Hi Manue ;-)
> here is another solution
>>>> A = np.arange(99).reshape((33,3)
>>>> mask = (A==np.array([0,1,2]))
>>>> np.nonzero(np.prod(mask, axis=1))[0]
> array([0]
>
> I found it to be less elegan
n, that needs to be removed with [0], but
> it takes to long now, to remember how to get rid of it.
Ok, I get it.
Thanks.
BTW, I was thinking this was a FAQ and there was a more straightforward
answer, or a buitlin function to do the trick...
Cheers,
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Fred
__
(without using list, for
instance)?
TIA.
Cheers,
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Fred
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em software. I was hoping
a newer version of numpy from svn might correct that problem.
Thanks -- fred.
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array and details on the differences between it and
numpy.core.ma?
Thanks,
Fred Clare
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Sorry for a private e-mail escaping to this list.
Fred Clare
On Feb 13, 2007, at 4:30 PM, Robert Kern wrote:
> Colin J. Williams wrote:
>
>> Could you give the URL please?
>
> http://svn.scipy.org/svn/numpy/trunk/numpy/doc/HOWTO_DOCUMENT.txt
>
> --
> Robert Kern
Mary,
Do you think we should adopt the "official" SciPy
docstring format? It is pretty simple.
Did you see Konrad Hinson's comment on NetCDF
modules?
Fred
On Feb 13, 2007, at 4:30 PM, Robert Kern wrote:
> Colin J. Williams wrote:
>
>> Could you give the URL pleas
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