Matthew Koichi Grimes wrote:
>I've noticed two dtype promotion behaviors that are surprising to me.
>I'm hoping to get people's input as to whether I should file bug tickets
>on them.
>
>
Short answer: No, they are not bugs.
The rule is:
In any mixed-type operation between two objects of t
Matthew Koichi Grimes wrote:
> I've noticed two dtype promotion behaviors that are surprising to me.
> I'm hoping to get people's input as to whether I should file bug tickets
> on them.
>
> First weirdness:
> When you do an operation between a float32 Numpy array and a python or
> Numpy float6
I've noticed two dtype promotion behaviors that are surprising to me.
I'm hoping to get people's input as to whether I should file bug tickets
on them.
First weirdness:
When you do an operation between a float32 Numpy array and a python or
Numpy float64, the result is a float32 array, not a flo
On 4/4/07, Andy Cheesman <[EMAIL PROTECTED]> wrote:
> Hi people,
>
> I was wondering if people could give me a pointer or two upon the
> efficient identification of neighbouring sites for a given point upon a
> numpy array which has periodic conditions.
> Suggestions upon the web I've seen seem to
On Thu, Apr 05, 2007 at 04:24:01PM -0400, Alan G Isaac wrote:
> On Thu, 5 Apr 2007, Gael Varoquaux apparently wrote:
> > Actually I do it the other way around nowadays.
> Except in the tutorial?
Yes, shame on me, I changed policy after writing it. I guess I should
correct it. I'll add this to m
Keith Goodman wrote:
> On 4/5/07, Robert Kern <[EMAIL PROTECTED]> wrote:
>> There have been significant improvements to the Core
>> Duo 2 code in ATLAS releases [snip]
>
> What kind of speed up are people seeing with Core 2 Duo aware ATLAS?
Oh, and from the first release with Core 2 support:
"""
Keith Goodman wrote:
> On 4/5/07, Robert Kern <[EMAIL PROTECTED]> wrote:
>> There have been significant improvements to the Core
>> Duo 2 code in ATLAS releases [snip]
>
> What kind of speed up are people seeing with Core 2 Duo aware ATLAS?
>From the announcements on math-atlas-devel:
"""
3.7.17
On Thu, 5 Apr 2007, Gael Varoquaux apparently wrote:
> Actually I do it the other way around nowadays.
Except in the tutorial?
But anyway, I'm willing to try anything that gets them moving.
It is true that avoiding the appearance of complexity can
sometimes add complexity.
Cheers,
Alan Isaac
On 4/5/07, Robert Kern <[EMAIL PROTECTED]> wrote:
> There have been significant improvements to the Core
> Duo 2 code in ATLAS releases [snip]
What kind of speed up are people seeing with Core 2 Duo aware ATLAS?
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Christopher Barker wrote:
> Robert Kern wrote:
>> Yup. I haven't yet been able to build a Universal ATLAS library that works,
>> so
>> we're stuck with Accelerate.
>
> Is that a bad thing? It seems like Apple is in the position to do it
> right, and have a differently tuned version for each of t
On 4/5/07, Christopher Barker <[EMAIL PROTECTED]> wrote:
> If only MS would supply BLAS/LAPACK.
Yeah, too bad more people don't use atlas. Then MS would embrace
atlas, extend it, and...I forget the last step.
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Robert Kern wrote:
> Yup. I haven't yet been able to build a Universal ATLAS library that works, so
> we're stuck with Accelerate.
Is that a bad thing? It seems like Apple is in the position to do it
right, and have a differently tuned version for each of their hardware.
If only MS would supply
Christopher Barker wrote:
> A question:
> lapack_lite.so is linked against:
>
> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
>
> Does that mean the Apple-supplied BLAS/LAPACK is being used?
Yup. I haven't yet been able to build a Universal ATLAS library that works, so
w
Christopher Barker wrote:
> David L Goldsmith wrote:
>> Sebastian Haase wrote:
>>> Maybe the projects should be in categories:
>>> - open source
>>> - commercial (?)
>>> - papers
>
> Maybe we need a section called "organizations" or something.
If you don't think you fit into any of the categori
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Christopher Barker wrote:
> Just a quick comment.
>
> I just built 1.0.2 on my OS-X box, and it took me entirely too long to
> figure out how to run the tests. I suggest something like:
>
> ""
> after installing, to run the numpy unit tests, you can
Just a quick comment.
I just built 1.0.2 on my OS-X box, and it took me entirely too long to
figure out how to run the tests. I suggest something like:
""
after installing, to run the numpy unit tests, you can run:
import numpy
numpy.test()
"""
be added to the readme after the instructions on
David L Goldsmith wrote:
> Sebastian Haase wrote:
>> Maybe the projects should be in categories:
>> - open source
>> - commercial (?)
>> - papers
Maybe we need a section called "organizations" or something. We use
numpy a lot around here, but, so far, only for small in-house tools that
we can'
Bill Baxter wrote:
> On 4/4/07, Robert Kern <[EMAIL PROTECTED]> wrote:
>
>> Bill Baxter wrote:
>>
>>> Is there any place on the Wiki that lists all the known software that
>>> uses Numpy in some way?
>>>
>>>
It would be nice to start collecting such a list if there isn't one
>>>
Robert Kern wrote:
> Zdeněk Hurák wrote:
[...]
>> I want to create Python modules from some Fortran numerical functions
>> that rely on LAPACK.
[...]
>> However, when trying to import the module, Python cries that there is and
>> undefined symbol: sb02mw_.
[...]
> What FORTRAN compiler are you
On Thu, Apr 05, 2007 at 01:36:28PM -0400, Alan G Isaac wrote:
> On Thu, 05 Apr 2007, Christopher Barker apparently wrote:
> > I think, in a situation when you are intending the class
> > attribute to be over-ridden by an instance attribute, then
> > it's clearer to define it as an instance attri
On Thu, 05 Apr 2007, Christopher Barker apparently wrote:
> I think, in a situation when you are intending the class
> attribute to be over-ridden by an instance attribute, then
> it's clearer to define it as an instance attribute in the
> first place:
This is true of course.
BUT I am with Ga
How's this, for under Applications?
CV-mini
The CV-mini is a signal analyzer written in Python, NumPy, and
wxPython.
It is a high-speed, general-purpose, multi-channel FFT instrument
available in 3 versions (so far).
Link: http://cognitivevision.com/CVmini.htm
Which reminds me, we should add P
Zdeněk Hurák wrote:
> I am sorry to come up with a question that probably has been asked and
> answered many times but I honestly searched for an answer but failed to
> find one.
>
> I want to create Python modules from some Fortran numerical functions that
> rely on LAPACK. I start with a functio
Sebastian Haase wrote:
> Maybe the projects should be in categories:
> - open source
> - commercial (?)
> - papers
> - ??
>
I agree: I'm using numpy in two of my projects, but these are likely to
have a small, specialized and self-contained user base indefinitely, so
I'm a little "shy" about
Myhuong Nguyen wrote:
>Hi,
>
>I have tried to install numpy-1.0.2 on my SGI (irix6.5) using command
>"python setup.py install" and received the following error message:
>
>File "numpy/core/setup.py", line 48, in generate_config_h
> raise "ERROR: Failed to test configuration"
>ERROR: Failed to te
On 4/4/07, Myhuong Nguyen <[EMAIL PROTECTED]> wrote:
Hi,
I have tried to install numpy-1.0.2 on my SGI (irix6.5) using command
"python setup.py install" and received the following error message:
File "numpy/core/setup.py", line 48, in generate_config_h
raise "ERROR: Failed to test configurat
Gael Varoquaux wrote:
> I have recently
> started avoided using class attributes when not necessary,
I agree. I use class attributes when I need, well, class attributes.
That is an attribute that is shared by all the instances of the class.
In fact, in the example:
class A:
x = 4
A_instanc
Hi list,
I've put out our project on the scipy project site.
Hopefully, this will become a very long list.
Oliver
[EMAIL PROTECTED] wrote on 05.04.2007 04:10:28:
> On 4/4/07, Robert Kern <[EMAIL PROTECTED]> wrote:
> > Bill Baxter wrote:
> > > Is there any place on the Wiki that lists all the k
Hi,
I have tried to install numpy-1.0.2 on my SGI (irix6.5) using command
"python setup.py install" and received the following error message:
File "numpy/core/setup.py", line 48, in generate_config_h
raise "ERROR: Failed to test configuration"
ERROR: Failed to test configuration
What does the
Hi people,
I was wondering if people could give me a pointer or two upon the
efficient identification of neighbouring sites for a given point upon a
numpy array which has periodic conditions.
Suggestions upon the web I've seen seem to use lots of loops which does
not seem to be the most economical
Book Monday 9th July to Wednesday 11th July 2007 in your calendar!
EuroPython 2007, the European Python and Zope Conference, will be held in
Vilnius, Lithuania. Last year's conference was a great success, featuring
a variety of tracks, amazing lightning talks and inspiring keynotes. With
your par
I am sorry to come up with a question that probably has been asked and
answered many times but I honestly searched for an answer but failed to
find one.
I want to create Python modules from some Fortran numerical functions that
rely on LAPACK. I start with a function SB02MD.f that provides a solve
Hi James
On Wed, Apr 04, 2007 at 08:29:50PM -0400, James Turner wrote:
> > It looks like the last output value is produced by reflecting the
> > input and then interpolating, but presumably then the first value
> > should be 3.9, for consistency, not 3.1? Does that make sense?
>
> Aargh. I thi
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