On Wednesday, February 15, 2012, David Gowers (kampu) 00a...@gmail.com
wrote:
Hi all,
This email is about the difference, given a recarray 'arr',
between
A)
arr.foo.x[0]
and B)
arr.foo[0].x
Specifically, form A returns the 0-th x value, whereas form B raises
AttributeError:
On Wednesday, February 15, 2012, Benjamin Root ben.r...@ou.edu wrote:
On Wednesday, February 15, 2012, David Gowers (kampu) 00a...@gmail.com
wrote:
Hi all,
This email is about the difference, given a recarray 'arr',
between
A)
arr.foo.x[0]
and B)
arr.foo[0].x
Specifically,
Hi
I'd like to repeat an array along a new axis (like broadcast):
In [8]: a
Out[8]:
array([[0, 1, 2],
[3, 4, 5]])
In [9]: b=repeat(a[None,...], 3, axis=0)
In [10]: b
Out[10]:
array([[[0, 1, 2],
[3, 4, 5]],
[[0, 1, 2],
Hi Ben,
Thanks for your prompt response.
On Wed, Feb 15, 2012 at 6:40 PM, Benjamin Root ben.r...@ou.edu wrote:
Rather than recarrays, I just use structured arrays like so:
A = np.array([(0, 0), (0, 0), (0, 0), (0, 0)],
dtype=[('x', 'u2'), ('y', 'u2')])
I can then do:
Le 15/02/2012 04:07, Bruce Southey a écrit :
The one thing that gets over looked here is that there is a huge
diversity of users with very different skill levels. But very few
people have an understanding of the core code. (In fact the other
thread about type-casting suggests that it is
Le 04/02/2012 23:19, Ralf Gommers a écrit :
scipy.signal is the right place I think. numpy shouldn't grow too many
functions like this.
[going back in time on the autocorrelation topic]
I see scipy.signal being the good place. However, I have the (possibly
wrong) feeling that Matplotlib is
On 19 January 2012 00:44, Fernando Perez fperez@gmail.com wrote:
On Wed, Jan 18, 2012 at 2:18 AM, Scott Sinclair
scott.sinclair...@gmail.com wrote:
It's rather confusing having two websites. The official page at
http://www.scipy.org/Download points to github.
The problem is that this
On 8 February 2012 00:03, Travis Oliphant tra...@continuum.io wrote:
On Feb 7, 2012, at 4:02 AM, Pauli Virtanen wrote:
Hi,
06.02.2012 20:41, Ralf Gommers kirjoitti:
[clip]
I've created https://github.com/scipy/scipy.github.com and gave you
permissions on that. So with that for the built
On Tue, Feb 14, 2012 at 09:14:11PM -0600, Bruce Southey wrote:
Ralf,
I will miss you as a numpy release manager!
You have not only done an incredible job but also taken the role to a
higher level.
Your attitude and attention to details has been amazing.
I definitely +1 that. I think that you
On Wed, Feb 15, 2012 at 2:25 AM, Steve Schmerler
elcort...@googlemail.comwrote:
Hi
I'd like to repeat an array along a new axis (like broadcast):
In [8]: a
Out[8]:
array([[0, 1, 2],
[3, 4, 5]])
In [9]: b=repeat(a[None,...], 3, axis=0)
In [10]: b
Out[10]:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 14/02/12 16:48, Bruce Southey wrote:
On 02/14/2012 09:40 AM, Olivier Delalleau wrote:
Really not an expert here, but it looks like it's trying various
compilation options, some work and some don't, and for some reason
it's really unhappy about
On Wed, Feb 15, 2012 at 5:13 AM, Scott Sinclair
scott.sinclair...@gmail.com wrote:
On 8 February 2012 00:03, Travis Oliphant tra...@continuum.io wrote:
On Feb 7, 2012, at 4:02 AM, Pauli Virtanen wrote:
Hi,
06.02.2012 20:41, Ralf Gommers kirjoitti:
[clip]
I've created
On Wed, Feb 15, 2012 at 5:18 AM, Ognen Duzlevski og...@enthought.com wrote:
It looks like numpy.org already redirects to numpy.scipy.org. So I
think redirecting numpy.scipy.org to github should do the right
thing
I can do this - can I assume there is consensus that majority wants this done?
On 15 February 2012 15:30, Fernando Perez fperez@gmail.com wrote:
On Wed, Feb 15, 2012 at 5:18 AM, Ognen Duzlevski og...@enthought.com wrote:
It looks like numpy.org already redirects to numpy.scipy.org. So I
think redirecting numpy.scipy.org to github should do the right
thing
I can do
Le 15 février 2012 07:29, Martin Raspaud martin.rasp...@smhi.se a écrit :
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 14/02/12 16:48, Bruce Southey wrote:
On 02/14/2012 09:40 AM, Olivier Delalleau wrote:
Really not an expert here, but it looks like it's trying various
compilation
On 2/14/2012 10:07 PM, Bruce Southey wrote:
The one thing that gets over looked here is that there is a huge
diversity of users with very different skill levels. But very few
people have an understanding of the core code. (In fact the other
thread about type-casting suggests that it is
On Wed, Feb 15, 2012 at 7:42 AM, Scott Sinclair
scott.sinclair...@gmail.com wrote:
On 15 February 2012 15:30, Fernando Perez fperez@gmail.com wrote:
On Wed, Feb 15, 2012 at 5:18 AM, Ognen Duzlevski og...@enthought.com wrote:
It looks like numpy.org already redirects to numpy.scipy.org. So I
Hi,
15.02.2012 14:59, Ognen Duzlevski kirjoitti:
[clip]
Alright, it will happen sometime today and I will post a message announcing
so.
Ognen
Great! Once you have changed the records, we can adjust [1] the
numpy.github.com page [1] to deal with the new virtual host name.
Thanks,
Pauli
[1]
On Tuesday, February 14, 2012, Mark Wiebe mwwi...@gmail.com wrote:
On Tue, Feb 14, 2012 at 9:37 PM, Benjamin Root ben.r...@ou.edu wrote:
On Tuesday, February 14, 2012, Mark Wiebe mwwi...@gmail.com wrote:
On Tue, Feb 14, 2012 at 8:17 PM, Benjamin Root ben.r...@ou.edu wrote:
Just a thought I
On Feb 15 06:25 -0600, Warren Weckesser wrote:
Yes, such an array can be created using the as_strided() function from the
module numpy.lib.stride_tricks:
Thank you, I will look into that.
best,
Steve
___
NumPy-Discussion mailing list
Wow, I wasn't aware of that even if I work with numpy for years now.
NumPy is amazing.
Samuel
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NumPy-Discussion mailing list
NumPy-Discussion@scipy.org
http://mail.scipy.org/mailman/listinfo/numpy-discussion
On Tue, Feb 14, 2012 at 1:24 PM, Ralf Gommers
ralf.gomm...@googlemail.comwrote:
On Tue, Feb 14, 2012 at 7:25 PM, Travis Oliphant tra...@continuum.iowrote:
On Feb 14, 2012, at 3:32 AM, David Cournapeau wrote:
Hi Travis,
It is great that some resources can be spent to have people paid
On Wed, Feb 15, 2012 at 15:16, Samuel John sc...@samueljohn.de wrote:
Wow, I wasn't aware of that even if I work with numpy for years now.
NumPy is amazing.
It's deliberately unpublicized because you can cause segfaults if you
get your math wrong. But once you get your math right and can wrap
On Wed, Feb 15, 2012 at 8:29 AM, Benjamin Root ben.r...@ou.edu wrote:
On Tuesday, February 14, 2012, Mark Wiebe mwwi...@gmail.com wrote:
On Tue, Feb 14, 2012 at 9:37 PM, Benjamin Root ben.r...@ou.edu wrote:
On Tuesday, February 14, 2012, Mark Wiebe mwwi...@gmail.com wrote:
On Tue, Feb
It certainly would help people keep the NumPy web-site up to date. Thanks
Ognen.
-Travis
On Feb 15, 2012, at 7:18 AM, Ognen Duzlevski wrote:
On Wed, Feb 15, 2012 at 5:13 AM, Scott Sinclair
scott.sinclair...@gmail.com wrote:
On 8 February 2012 00:03, Travis Oliphant tra...@continuum.io
On Feb 15, 2012, at 9:17 AM, Charles R Harris wrote:
On Tue, Feb 14, 2012 at 1:24 PM, Ralf Gommers ralf.gomm...@googlemail.com
wrote:
On Tue, Feb 14, 2012 at 7:25 PM, Travis Oliphant tra...@continuum.io wrote:
On Feb 14, 2012, at 3:32 AM, David Cournapeau wrote:
Hi Travis,
Hi,
I know this is a bit unusual, but in the last few years I completely lost the
track of David M. Cooke. Most of the veterans on this list will remember him
as being a great contributor to NumPy during the years 2004 to 2007. He was
the creator of numexpr (back in 2006) too. I wonder if
OK, the deed has been done :)
Ognen
On Wed, Feb 15, 2012 at 11:29 AM, Travis Oliphant tra...@continuum.io wrote:
It certainly would help people keep the NumPy web-site up to date. Thanks
Ognen.
-Travis
On Feb 15, 2012, at 7:18 AM, Ognen Duzlevski wrote:
On Wed, Feb 15, 2012 at 5:13 AM,
Hi,
On Wed, Feb 15, 2012 at 5:51 AM, Alan G Isaac alan.is...@gmail.com wrote:
On 2/14/2012 10:07 PM, Bruce Southey wrote:
The one thing that gets over looked here is that there is a huge
diversity of users with very different skill levels. But very few
people have an understanding of the core
Hello,
From: Matthew Brett [matthew.br...@gmail.com]
Sent: Wednesday, February 15, 2012 1:50 PM
To: Discussion of Numerical Python
Subject: Re: [Numpy-discussion] Numpy governance update
Hi,
On Wed, Feb 15, 2012 at 5:51 AM, Alan G Isaac
On 2/15/2012 1:50 PM, Matthew Brett wrote:
I believe that leaving the governance informal and underspecified at
this stage would be a grave mistake, for everyone concerned.
To justify that concern, can you point to an
analogous case, where things went awry by not
formalizing the governance
On 02/15/2012 08:50 AM, Matthew Brett wrote:
Hi,
On Wed, Feb 15, 2012 at 5:51 AM, Alan G Isaacalan.is...@gmail.com wrote:
On 2/14/2012 10:07 PM, Bruce Southey wrote:
The one thing that gets over looked here is that there is a huge
diversity of users with very different skill levels. But
On 2/15/2012 2:46 PM, Benjamin Root wrote:
I think it is only fair that the group occasionally pings this mailing-list
for important progress reports.
No offense intended, but that sounds like an unfunded mandate.
More useful would be an offer to liaison between the two.
Cheers,
Alan
Hi,
Thanks for these interesting and specific questions.
On Wed, Feb 15, 2012 at 11:33 AM, Eric Firing efir...@hawaii.edu wrote:
On 02/15/2012 08:50 AM, Matthew Brett wrote:
Hi,
On Wed, Feb 15, 2012 at 5:51 AM, Alan G Isaacalan.is...@gmail.com wrote:
On 2/14/2012 10:07 PM, Bruce Southey
On 2/15/2012 2:46 PM, Benjamin Root wrote:
The NA discussion is the perfect example where a governance structure would
help resolve disputes.
How? I'm not seeing it.
Who would have behaved differently and why?
Alan
___
NumPy-Discussion mailing
Hi,
On Wed, Feb 15, 2012 at 11:46 AM, Benjamin Root ben.r...@ou.edu wrote:
On Wed, Feb 15, 2012 at 1:32 PM, Alan G Isaac alan.is...@gmail.com wrote:
Can you provide an example where a more formal
governance structure for NumPy would have meant
more or better code development? (Please do not
On Wed, Feb 15, 2012 at 2:03 PM, Alan G Isaac alan.is...@gmail.com wrote:
On 2/15/2012 2:46 PM, Benjamin Root wrote:
The NA discussion is the perfect example where a governance structure
would help resolve disputes.
How? I'm not seeing it.
Who would have behaved differently and why?
My analysis is fundamentally different than Matthew
and Benjamin's for a few reasons.
1. The problem has been miscast.
The economic interests of the developers *always*
has had an apparent conflict with the economic
interests of the users: users want developers to work more
on the
On Wed, Feb 15, 2012 at 12:09 PM, Matthew Brett matthew.br...@gmail.comwrote:
Hi,
On Wed, Feb 15, 2012 at 11:46 AM, Benjamin Root ben.r...@ou.edu wrote:
On Wed, Feb 15, 2012 at 1:32 PM, Alan G Isaac alan.is...@gmail.com
wrote:
Can you provide an example where a more formal
On Feb 15, 2012, at 3:01 PM, Matthew Brett wrote:
[...]
My 2 cents.
I think you put too much faith in formal systems. There are plenty of
examples of formal governance that fail miserably. In the end it
depends on the people and their willingness to continue cooperating.
Formal governance
On Wed, Feb 15, 2012 at 1:55 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Wed, Feb 15, 2012 at 12:09 PM, Matthew Brett
matthew.br...@gmail.comwrote:
Hi,
On Wed, Feb 15, 2012 at 11:46 AM, Benjamin Root ben.r...@ou.edu wrote:
On Wed, Feb 15, 2012 at 1:32 PM, Alan G Isaac
Hi,
On Wed, Feb 15, 2012 at 12:55 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Wed, Feb 15, 2012 at 12:09 PM, Matthew Brett matthew.br...@gmail.com
wrote:
Hi,
On Wed, Feb 15, 2012 at 11:46 AM, Benjamin Root ben.r...@ou.edu wrote:
On Wed, Feb 15, 2012 at 1:32 PM, Alan G Isaac
Hi,
On Wed, Feb 15, 2012 at 12:45 PM, Alan G Isaac alan.is...@gmail.com wrote:
My analysis is fundamentally different than Matthew
and Benjamin's for a few reasons.
1. The problem has been miscast.
The economic interests of the developers *always*
has had an apparent conflict with the
On Wed, Feb 15, 2012 at 4:43 PM, Matthew Brett matthew.br...@gmail.com wrote:
Hi,
On Wed, Feb 15, 2012 at 12:45 PM, Alan G Isaac alan.is...@gmail.com wrote:
My analysis is fundamentally different than Matthew
and Benjamin's for a few reasons.
1. The problem has been miscast.
The
On Wed, Feb 15, 2012 at 12:45 PM, Alan G Isaac alan.is...@gmail.com wrote:
for the core developers. The right way to produce a
governance structure is to make concrete proposals and
show how these proposals are in the interest of the
*developers* (as well as of the users).
At this point,
On Wed, Feb 15, 2012 at 4:08 PM, T J tjhn...@gmail.com wrote:
On Wed, Feb 15, 2012 at 12:45 PM, Alan G Isaac alan.is...@gmail.comwrote:
for the core developers. The right way to produce a
governance structure is to make concrete proposals and
show how these proposals are in the interest of
Hello all,
the docs are unclear as to the reference counting on the inputs to the numpy C
function PyArray_FromAny().
multiarraymodule.c in the PyArray_InnerProduct() code seems to imply that a
reference to dtype is stolen in the PyArray_FromAny process. Meaning that I
don't need/can't have
On Wed, Feb 15, 2012 at 1:36 PM, Matthew Brett matthew.br...@gmail.comwrote:
Hi,
On Wed, Feb 15, 2012 at 12:55 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Wed, Feb 15, 2012 at 12:09 PM, Matthew Brett matthew.br...@gmail.com
wrote:
Hi,
On Wed, Feb 15, 2012 at 11:46 AM, Benjamin
On Feb 15, 2012, at 3:36 PM, Matthew Brett wrote:
Honestly - as I was saying to Alan and indirectly to Ben - any formal
model - at all - is preferable to the current situation. Personally, I
would say that making the founder of a company, which is working to
make money from Numpy, the only
Hi,
On Wed, Feb 15, 2012 at 2:30 PM, Peter Wang pw...@streamitive.com wrote:
On Feb 15, 2012, at 3:36 PM, Matthew Brett wrote:
Honestly - as I was saying to Alan and indirectly to Ben - any formal
model - at all - is preferable to the current situation. Personally, I
would say that making
On 2/15/12 3:25 PM, Matthew Brett wrote:
4) It is possible for Continuum to want features that are good for
Continuum, but bad for the code-base in general. For example,
Continuum may have some product that requires a particular arcane
feature in numpy.
Through these mechanisms, Numpy can
On Wed, Feb 15, 2012 at 1:00 PM, Perry Greenfield pe...@stsci.edu wrote:
On Feb 15, 2012, at 3:01 PM, Matthew Brett wrote:
[...]
My 2 cents.
[...]
I am both elated and concerned. Since it's obvious what there is to be
elated about, this post has a concerned tone. But overall, I think
Yes, the PyArray_FromAny steals a reference to the dtype object. This is done
so you can build one on the fly doing something like
PyArray_DescrFromType(NPY_DOUBLE) inline with the PyArray_FromAny call.
-Travis
On Feb 15, 2012, at 4:23 PM, Larsen, Brian A wrote:
Hello all,
the
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
On Wed, Feb 15, 2012 at 1:36 PM, Matthew Brett matthew.br...@gmail.com
mailto:matthew.br...@gmail.com wrote:
Hi,
On Wed, Feb 15, 2012 at 12:55 PM, Mark Wiebe mwwi...@gmail.com
mailto:mwwi...@gmail.com wrote:
On Wed, Feb 15, 2012
On Wed, Feb 15, 2012 at 7:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
On Wed, Feb 15, 2012 at 1:36 PM, Matthew Brett matthew.br...@gmail.com
mailto:matthew.br...@gmail.com wrote:
Hi,
On Wed, Feb 15, 2012 at 12:55 PM, Mark
Hi,
On Wed, Feb 15, 2012 at 4:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
On Wed, Feb 15, 2012 at 1:36 PM, Matthew Brett matthew.br...@gmail.com
mailto:matthew.br...@gmail.com wrote:
Hi,
On Wed, Feb 15, 2012 at 12:55 PM,
On Wed, Feb 15, 2012 at 4:57 PM, josef.p...@gmail.com wrote:
On Wed, Feb 15, 2012 at 7:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
On Wed, Feb 15, 2012 at 1:36 PM, Matthew Brett matthew.br...@gmail.com
On Wednesday, February 15, 2012, Mark Wiebe mwwi...@gmail.com wrote:
On Wed, Feb 15, 2012 at 4:57 PM, josef.p...@gmail.com wrote:
On Wed, Feb 15, 2012 at 7:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
On Wed, Feb 15, 2012 at 1:36 PM,
Hi,
On Wed, Feb 15, 2012 at 4:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
There certainly is governance now, it's just informal. It's a
combination of how the design discussions are carried out, how pull
requests occur, and who has
On Wed, Feb 15, 2012 at 8:49 PM, Matthew Brett matthew.br...@gmail.com wrote:
Hi,
On Wed, Feb 15, 2012 at 4:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
There certainly is governance now, it's just informal. It's a
combination of
Hi,
On Wed, Feb 15, 2012 at 6:07 PM, josef.p...@gmail.com wrote:
On Wed, Feb 15, 2012 at 8:49 PM, Matthew Brett matthew.br...@gmail.com
wrote:
Hi,
On Wed, Feb 15, 2012 at 4:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
There
On Wednesday, February 15, 2012, Matthew Brett matthew.br...@gmail.com
wrote:
Hi,
On Wed, Feb 15, 2012 at 4:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
There certainly is governance now, it's just informal. It's a
combination of
On Wed, Feb 15, 2012 at 9:12 PM, Matthew Brett matthew.br...@gmail.com wrote:
Hi,
On Wed, Feb 15, 2012 at 6:07 PM, josef.p...@gmail.com wrote:
On Wed, Feb 15, 2012 at 8:49 PM, Matthew Brett matthew.br...@gmail.com
wrote:
Hi,
On Wed, Feb 15, 2012 at 4:27 PM, Dag Sverre Seljebotn
On Wed, Feb 15, 2012 at 6:57 PM, josef.p...@gmail.com wrote:
On Wed, Feb 15, 2012 at 7:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
On Wed, Feb 15, 2012 at 1:36 PM, Matthew Brett matthew.br...@gmail.com
mailto:matthew.br...@gmail.com
Doing a bit of browsing in the numpy tracker, I found this. From my
search this was not discussed on the mailing list.
http://projects.scipy.org/numpy/ticket/1842
The multivariate normal random sample is not always the same, even
though a seed is specified.
It seems to alternate randomly
On Wed, Feb 15, 2012 at 10:52 PM, josef.p...@gmail.com wrote:
Doing a bit of browsing in the numpy tracker, I found this. From my
search this was not discussed on the mailing list.
http://projects.scipy.org/numpy/ticket/1842
The multivariate normal random sample is not always the same, even
On 02/15/2012 05:02 PM, Matthew Brett wrote:
Hi,
On Wed, Feb 15, 2012 at 4:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
There certainly is governance now, it's just informal. It's a
combination of how the design discussions are
Hi,
On Wed, Feb 15, 2012 at 9:47 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 05:02 PM, Matthew Brett wrote:
Hi,
On Wed, Feb 15, 2012 at 4:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
There certainly is
On Tue, Feb 14, 2012 at 5:17 PM, Travis Oliphant tra...@continuum.io wrote:
Your points are well taken. However, my point is that this has been
discussed on an open mailing list. Things weren't *as* open as they could
have been, perhaps, in terms of board selection. But, there was
On Wed, Feb 15, 2012 at 5:26 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Wed, Feb 15, 2012 at 4:57 PM, josef.p...@gmail.com wrote:
On Wed, Feb 15, 2012 at 7:27 PM, Dag Sverre Seljebotn
d.s.seljeb...@astro.uio.no wrote:
On 02/15/2012 02:24 PM, Mark Wiebe wrote:
On Wed, Feb 15, 2012 at 1:36
On Wed, Feb 15, 2012 at 10:30 PM, Peter Wang pw...@streamitive.com wrote:
On Feb 15, 2012, at 3:36 PM, Matthew Brett wrote:
Honestly - as I was saying to Alan and indirectly to Ben - any formal
model - at all - is preferable to the current situation. Personally, I
would say that making the
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