Hi,
I hope my subject line is not entirely incomprehensible:
I remember there was a discussion (some time ago) that every ndarray
instance should get an extra dictionary (or just a hook for it, to
minimize the memory foot print) for application specific /
auxiliary data.
What is the current state
On Thu, Nov 12, 2009 at 10:38 AM, Sebastian Haase seb.ha...@gmail.com wrote:
Hi,
I hope my subject line is not entirely incomprehensible:
I remember there was a discussion (some time ago) that every ndarray
instance should get an extra dictionary (or just a hook for it, to
minimize the
Good morning,
I used to have Python 2.6, Numpy-1.3.0, ... on Windows 2000 in the computer
at work (which has the typical clampdown policies). I have been updated to
Windows XP SP3 and now the same installation files fail to install.
My configuration is:
- Windows XP Serivice Pack 3
-
On Thu, Nov 12, 2009 at 12:45 AM, David Cournapeau courn...@gmail.com wrote:
I will implement this, but I would prefer using this method everywhere
for every compiler, it would be more robust.
Done for r7727. I have not tested it much (I have only checked that
the bit twiddling macros to get
Hola,
I am not an expert, but I had a similar issue with a program of main
that I could trace to not having installed VS9 runtime libraries in the
target computer:
http://www.microsoft.com/downloads/details.aspx?FamilyID=9b2da534-3e03-4391-8a4d-074b9f2bc1bfdisplaylang=en
Perhaps you can give
On Nov 12, 2009, at 4:47 AM, Sebastian Haase wrote:
On Thu, Nov 12, 2009 at 10:38 AM, Sebastian Haase seb.ha...@gmail.com wrote:
Hi,
I hope my subject line is not entirely incomprehensible:
I remember there was a discussion (some time ago) that every ndarray
instance should get an extra
On Thu, Nov 12, 2009 at 6:57 AM, Chris fonnesb...@gmail.com wrote:
Yeah, here is my build script -- it removes the build directory entirely
Ah, that's not enough. You need to clean the working tree as well. git
has the clean option for that, you can also use a quick script to do
this with
The new macros contain non-constant initializers for a type declared
constant.
const union IEEEl2bitsrep u = {x};
AFAIK, ANSI dictates that the initializer must be a literal or another
constant variable. We could declare 'x' as constant in the function
signature, but it actually does get
Peter Schmidtke wrote:
On Tue, 10 Nov 2009 16:07:32 -0800, Christopher Barker
chris.bar...@noaa.gov wrote:
I have a bunch of points in 2-d space, and I need to find out which
pairs of points are within a certain distance of one-another (regular
old Euclidean norm).
How big is your set
David Cournapeau wrote:
I would love having a core C library of containers -
I'm all for that. However, I think that a very, very common need is
simply for a growable numpy array.
It seems this would actually be pretty darn easy (again, for someone
familiar with the code!).
IIUC, it would
On Thu, Nov 12, 2009 at 10:01 AM, Christopher Barker
chris.bar...@noaa.govwrote:
Peter Schmidtke wrote:
On Tue, 10 Nov 2009 16:07:32 -0800, Christopher Barker
chris.bar...@noaa.gov wrote:
I have a bunch of points in 2-d space, and I need to find out which
pairs of points are within a
Lou Pecora wrote:
Maybe I'm missing something simple, but if your array of 2D points is
static,
well, not quite.
a KD tree for 2D nearest neighbor seems like over kill. You
might want to try the simple approach of using boxes of points to
narrow things down by sorting on the first
On Thu, Nov 12, 2009 at 10:32 AM, Christopher Barker
chris.bar...@noaa.govwrote:
David Cournapeau wrote:
I would love having a core C library of containers -
I'm all for that. However, I think that a very, very common need is
simply for a growable numpy array.
It seems this would
On Thu, Nov 12, 2009 at 11:39, Charles R Harris
charlesr.har...@gmail.com wrote:
On Thu, Nov 12, 2009 at 10:32 AM, Christopher Barker chris.bar...@noaa.gov
wrote:
David Cournapeau wrote:
I would love having a core C library of containers -
I'm all for that. However, I think that a very,
- Original Message
From: Christopher Barker chris.bar...@noaa.gov
To: Discussion of Numerical Python numpy-discussion@scipy.org
Sent: Thu, November 12, 2009 12:37:37 PM
Subject: Re: [Numpy-discussion] finding close together points.
Lou Pecora wrote:
a KD tree for 2D nearest neighbor
2009/11/12 Lou Pecora lou_boog2...@yahoo.com:
- Original Message
From: Christopher Barker chris.bar...@noaa.gov
To: Discussion of Numerical Python numpy-discussion@scipy.org
Sent: Thu, November 12, 2009 12:37:37 PM
Subject: Re: [Numpy-discussion] finding close together points.
I'm rapidly losing interest here. Perhaps you could supply some code
implementing this new array? Why not just a class using an array that
doubles the array size when an index is out of bounds and copies over the
old data. That is pretty much what realloc does. As to python lists, do you
have
Robert Kern wrote:
Didn't we already do this?
http://www.mail-archive.com/numpy-discussion@scipy.org/msg21010.html
Indeed we did. What I posted then ( and have improved a bit now). Is a
Python version. Written in Python, it has an advantage of using less
memory for a big array, but is
David Cournapeau cournape at gmail.com writes:
On Thu, Nov 12, 2009 at 6:57 AM, Chris fonnesbeck at gmail.com wrote:
Yeah, here is my build script -- it removes the build directory entirely
Ah, that's not enough. You need to clean the working tree as well. git
has the clean option
Thanks for your answer, but it didn't resolve the issue. The problem is that
I would need an administrator account to install it. Nevertheless, your
suggestion might be helpful to others.
I am not an expert either, but it looks like a dependency problem. Reading
from:
On Thu, Nov 12, 2009 at 12:52 PM, Christopher Barker
chris.bar...@noaa.govwrote:
Robert Kern wrote:
Didn't we already do this?
http://www.mail-archive.com/numpy-discussion@scipy.org/msg21010.html
Indeed we did. What I posted then ( and have improved a bit now). Is a
Python version.
On Thu, Nov 12, 2009 at 3:30 PM, Charles R Harris charlesr.har...@gmail.com
wrote:
On Thu, Nov 12, 2009 at 12:52 PM, Christopher Barker
chris.bar...@noaa.gov wrote:
Robert Kern wrote:
Didn't we already do this?
http://www.mail-archive.com/numpy-discussion@scipy.org/msg21010.html
On Thu, Nov 12, 2009 at 11:34 PM, Michael Droettboom md...@stsci.edu wrote:
The new macros contain non-constant initializers for a type declared
constant.
const union IEEEl2bitsrep u = {x};
AFAIK, ANSI dictates that the initializer must be a literal or another
constant variable. We
Hey,
I cooked up an initial implementation for one-dimensional
histogram_discrete().
Example:
import numpy
numpy.histogram_discrete([-1, 9, 9, 0, 3, 5, 3])
array([1, 1, 0, 0, 2, 0, 1, 0, 0, 0, 2])
numpy.histogram_discrete([-9, 9])
array([1, 0, 0, ..., 0, 0, 1])
Suggestions,
On Thu, Nov 12, 2009 at 6:00 PM, Priit Laes pl...@plaes.org wrote:
Hey,
I cooked up an initial implementation for one-dimensional
histogram_discrete().
Example:
import numpy
numpy.histogram_discrete([-1, 9, 9, 0, 3, 5, 3])
array([1, 1, 0, 0, 2, 0, 1, 0, 0, 0, 2])
On 12-Nov-09, at 6:09 PM, josef.p...@gmail.com wrote:
On Thu, Nov 12, 2009 at 6:00 PM, Priit Laes pl...@plaes.org wrote:
Hey,
I cooked up an initial implementation for one-dimensional
histogram_discrete().
Example:
import numpy
numpy.histogram_discrete([-1, 9, 9, 0, 3, 5, 3])
array([1,
On Thu, Nov 12, 2009 at 6:16 PM, David Warde-Farley d...@cs.toronto.edu wrote:
On 12-Nov-09, at 6:09 PM, josef.p...@gmail.com wrote:
On Thu, Nov 12, 2009 at 6:00 PM, Priit Laes pl...@plaes.org wrote:
Hey,
I cooked up an initial implementation for one-dimensional
histogram_discrete().
On Thu, Nov 12, 2009 at 17:25, josef.p...@gmail.com wrote:
If I could make a related wish, I wish np.bincount to take also a 2d
array as weights.
It does.
--
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
Hi All!
I have implemented multiple regression in a following way:
def multipleRegression(x, y):
Perform linear regression using least squares method.
X - matrix containing inputs for observations,
y - vector containing one of outputs for every observation
On 12-Nov-09, at 6:44 PM, Robert Kern wrote:
I am using it on large number of observations so it is common to have
x matrix of about 5000x20 and y vector of length 5000, and more.
I also have to run that multiple times for different y vectors and
same x matrix.
Just make a matrix y such
On Thu, Nov 12, 2009 at 17:38, Alexey Tigarev alexey.tiga...@gmail.com wrote:
Hi All!
I have implemented multiple regression in a following way:
def multipleRegression(x, y):
Perform linear regression using least squares method.
X - matrix containing inputs for observations,
y -
Charles R Harris wrote:
So what you buy
with an array implementation is the space/time efficiency of not having
to allocate python types to put on the list. But you probably need to go
through a python type at some point anyway,
When writing Python, yes (though maybe not if you are
On Thu, Nov 12, 2009 at 6:31 PM, Robert Kern robert.k...@gmail.com wrote:
On Thu, Nov 12, 2009 at 17:25, josef.p...@gmail.com wrote:
If I could make a related wish, I wish np.bincount to take also a 2d
array as weights.
It does.
If it does, I don't manage to make it work, and the new docs
Charles R Harris wrote:
And here is a pep http://www.python.org/dev/peps/pep-3128/%20
That link was broken, try this one:
http://www.python.org/dev/peps/pep-3128/
-Chris
--
Christopher Barker, Ph.D.
Oceanographer
Emergency Response Division
NOAA/NOS/ORR(206) 526-6959 voice
On Thu, Nov 12, 2009 at 6:44 PM, Robert Kern robert.k...@gmail.com wrote:
On Thu, Nov 12, 2009 at 17:38, Alexey Tigarev alexey.tiga...@gmail.com
wrote:
Hi All!
I have implemented multiple regression in a following way:
def multipleRegression(x, y):
Perform linear regression using
On Thu, Nov 12, 2009 at 20:12, josef.p...@gmail.com wrote:
On Thu, Nov 12, 2009 at 6:31 PM, Robert Kern robert.k...@gmail.com wrote:
On Thu, Nov 12, 2009 at 17:25, josef.p...@gmail.com wrote:
If I could make a related wish, I wish np.bincount to take also a 2d
array as weights.
It does.
Alexey Tigarev skrev:
I have implemented multiple regression in a following way:
You should be using QR or SVD for this.
Sturla
___
NumPy-Discussion mailing list
NumPy-Discussion@scipy.org
http://mail.scipy.org/mailman/listinfo/numpy-discussion
On Thu, Nov 12, 2009 at 9:14 PM, Sturla Molden stu...@molden.no wrote:
Alexey Tigarev skrev:
I have implemented multiple regression in a following way:
You should be using QR or SVD for this.
Sturla
Seeing this QR and SVD terms I recalled the answer to the I am the very
model for a
On Fri, Nov 13, 2009 at 4:56 AM, Chris fonnesb...@gmail.com wrote:
David Cournapeau cournape at gmail.com writes:
On Thu, Nov 12, 2009 at 6:57 AM, Chris fonnesbeck at gmail.com wrote:
Yeah, here is my build script -- it removes the build directory entirely
Ah, that's not enough. You
2009/11/11 Christopher Barker chris.bar...@noaa.gov:
Anne Archibald wrote:
2009/11/10 Christopher Barker chris.bar...@noaa.gov:
I have a bunch of points in 2-d space, and I need to find out which
pairs of points are within a certain distance of one-another (regular
old Euclidean norm).
Ühel kenal päeval, N, 2009-11-12 kell 18:16, kirjutas David
Warde-Farley:
On 12-Nov-09, at 6:09 PM, josef.p...@gmail.com wrote:
On Thu, Nov 12, 2009 at 6:00 PM, Priit Laes pl...@plaes.org wrote:
Hey,
I cooked up an initial implementation for one-dimensional
histogram_discrete().
41 matches
Mail list logo
