Re: [Numpy-discussion] PCA - Principal Component Analysis

2007-06-24 Thread Matthieu Brucher
Hi, You have everything you need for PCA in numpy.linalg. Matthieu 2007/6/21, Alex Torquato S. Carneiro <[EMAIL PROTECTED]>: I'm doing some projects in Python (system GNU / Linux - Ubuntu 7.0) about image processing. I'm needing a implementation of PCA, prefer to library for apt-get. Thanks.

Re: [Numpy-discussion] PCA - Principal Component Analysis

2007-06-24 Thread Charles R Harris
On 6/24/07, Rob Clewley <[EMAIL PROTECTED]> wrote: IMO the Modular toolkit for Data Processing (MDP) has a fairly good and straightforward PCA implementation, among other good tools: mdp-toolkit.sourceforge.net/ I have no idea what apt-get is, though, so I don't know if this will be helpful or

Re: [Numpy-discussion] PCA - Principal Component Analysis

2007-06-24 Thread Rob Clewley
IMO the Modular toolkit for Data Processing (MDP) has a fairly good and straightforward PCA implementation, among other good tools: mdp-toolkit.sourceforge.net/ I have no idea what apt-get is, though, so I don't know if this will be helpful or not! -Rob On 21/06/07, Alex Torquato S. Carneiro <[E

Re: [Numpy-discussion] qr decomposition with column pivoting/qr decomposition with householder reflections

2007-06-24 Thread Charles R Harris
On 6/21/07, traveller3141 <[EMAIL PROTECTED]> wrote: I'm in the process of trying to convert some Matlab code into Python. There's a statement of the form: [q,r,e] = qr(A) which performs a qr-decomposition of A, but then also returns a 'permutation' matrix. The purpose of this is to ensure tha

[Numpy-discussion] qr decomposition with column pivoting/qr decomposition with householder reflections

2007-06-24 Thread traveller3141
I'm in the process of trying to convert some Matlab code into Python. There's a statement of the form: [q,r,e] = qr(A) which performs a qr-decomposition of A, but then also returns a 'permutation' matrix. The purpose of this is to ensure that the values along r's diagonal are decreasing. I belie

[Numpy-discussion] PCA - Principal Component Analysis

2007-06-24 Thread Alex Torquato S. Carneiro
I'm doing some projects in Python (system GNU / Linux - Ubuntu 7.0) about image processing. I'm needing a implementation of PCA, prefer to library for apt-get. Thanks. Alex. Novo Yahoo! CadĂȘ? - Exper

Re: [Numpy-discussion] Unhandled floating point exception running test in numpy-1.0.3 and svn 3875

2007-06-24 Thread rex
John Ollinger <[EMAIL PROTECTED]> [2007-06-24 13:13]: > >>> I am running gcc 3.3.1 on SuSe Linux 2.4.21-144-smp4G. The error > >>> first occurred with numpy-1.0.3. I downloaded svn 3875 when I > then > >>> read the scipy web page and installed the latest subversion. The >

Re: [Numpy-discussion] Unhandled floating point exception running test in numpy-1.0.3 and svn 3875

2007-06-24 Thread John Ollinger
At 11:09 AM 6/24/2007, you wrote: On 6/24/07, rex <[EMAIL PROTECTED]> wrote: Charles R Harris < [EMAIL PROTECTED]> [2007-06-24 06:22]: > > > On 6/23/07, rex <[EMAIL PROTECTED]> wrote: > > Stefan van der Walt <[EMAIL PROTECTED]> [2007-06-23 15:06]: >> >> On Sat, Jun 23, 2007 at 07:3

Re: [Numpy-discussion] Help installing numpy 1.0.2 on LINUX

2007-06-24 Thread John Pruce
> - Original Message - > From: "Stefan van der Walt" <[EMAIL PROTECTED]> > To: numpy-discussion@scipy.org > Subject: Re: [Numpy-discussion] Help installing numpy 1.0.2 on LINUX > Date: Sun, 24 Jun 2007 19:48:14 +0200 > > > On Sun, Jun 24, 2007 at 05:58:33PM +0100, John Pruce wrote: > > W

Re: [Numpy-discussion] Help installing numpy 1.0.2 on LINUX

2007-06-24 Thread Stefan van der Walt
On Sun, Jun 24, 2007 at 05:58:33PM +0100, John Pruce wrote: > When I try to run numpy.test(level=1) I get: > > >>> import numpy > >>> numpy.test(level=1) > Traceback (most recent call last) >File "". line 1, in > AttributeError: 'module' has no attribute 'test' > >>> > > Thank you for your

[Numpy-discussion] Help installing numpy 1.0.2 on LINUX

2007-06-24 Thread John Pruce
I am trying to install nunpy 1.0.2 on aMandrake Linux system kernel 2.6.17mdk. I have followed the Install instructions in numpy. I am including a small portion of the python setup.py install command: Running from numpy source directory. F2PY Version 2_3649 blas_opt_info: blas_mkl_info: librar

Re: [Numpy-discussion] Unhandled floating point exception running test in numpy-1.0.3 and svn 3875

2007-06-24 Thread Charles R Harris
On 6/24/07, rex <[EMAIL PROTECTED]> wrote: Charles R Harris <[EMAIL PROTECTED]> [2007-06-24 06:22]: > > > On 6/23/07, rex <[EMAIL PROTECTED]> wrote: > > Stefan van der Walt <[EMAIL PROTECTED]> [2007-06-23 15:06]: >> >> On Sat, Jun 23, 2007 at 07:35:35PM +, John Ollinger wrote: >>> I have

Re: [Numpy-discussion] Unhandled floating point exception running test in numpy-1.0.3 and svn 3875

2007-06-24 Thread rex
Charles R Harris <[EMAIL PROTECTED]> [2007-06-24 06:22]: > > > On 6/23/07, rex <[EMAIL PROTECTED]> wrote: > > Stefan van der Walt <[EMAIL PROTECTED]> [2007-06-23 15:06]: >> >> On Sat, Jun 23, 2007 at 07:35:35PM +, John Ollinger wrote: >>> I have just been updating our version of Python,

[Numpy-discussion] [ANN]New numpy, scipy and atlas rpms for FC 5, 6 and 7 and openSUSE (with 64 bits arch support)

2007-06-24 Thread David Cournapeau
Hi there, After quite some pain, I finally managed to build a LAPACK + ATLAS rpm useful for numpy and scipy. Read the following if you use Fedora Core or OpenSuse and are tired to install unsuccessfully numpy, scipy, BLAS, LAPACK or ATLAS. Instructions are given there: http://www.scipy

Re: [Numpy-discussion] Unhandled floating point exception running test in numpy-1.0.3 and svn 3875

2007-06-24 Thread Charles R Harris
On 6/23/07, rex <[EMAIL PROTECTED]> wrote: Stefan van der Walt <[EMAIL PROTECTED]> [2007-06-23 15:06]: > > On Sat, Jun 23, 2007 at 07:35:35PM +, John Ollinger wrote: > > > > I have just been updating our version of Python, numpy and scipy and have run > > into a floating point exception that