Re: [Numpy-discussion] Proposed change in genfromtxt(..., comments='#', names=True) behaviour

2012-07-18 Thread Travis Vaught
On Jul 17, 2012, at 10:47 AM, Nathaniel Smith wrote: Not that there are likely to be people using skip_header=True as an alias for skip_header=1, but if they were it would currently work. confession I write messy code like that all the time. /confession Best, Travis

[Numpy-discussion] datetime dtype possible regression

2012-04-27 Thread Travis Vaught
With NumPy 1.6.1 (from EPD 7.2-2) I get this behavior: ~ In [1]: import numpy as np In [2]: schema = np.dtype({'names':['symbol', 'date', 'open', 'high', 'low', ...:'close', 'volume', 'adjclose'], ...:

Re: [Numpy-discussion] Numpy governance update

2012-02-16 Thread Travis Vaught
On Feb 16, 2012, at 10:56 AM, Nathaniel Smith wrote: Travis's proposal is that we go from a large number of self-selecting people putting in little bits of time to a small number of designated people putting in lots of time. That's not what Travis, or anyone else, proposed. Travis

Re: [Numpy-discussion] [Enthought-Dev] Discussion with Guido van Rossum and (hopefully) core python-dev on scientific Python and Python3

2012-02-13 Thread Travis Vaught
On Feb 13, 2012, at 3:55 PM, Fernando Perez wrote: ... - Extra operators/PEP 225. Here's a summary from the last time we went over this, years ago at Scipy 2008: http://mail.scipy.org/pipermail/numpy-discussion/2008-October/038234.html, and the current status of the document we wrote about

Re: [Numpy-discussion] recarrays and lists of lists

2011-09-11 Thread Travis Vaught
On Sep 11, 2011, at 2:58 AM, Robert Kern wrote: On Sun, Sep 11, 2011 at 00:30, Travis Vaught tra...@vaught.net wrote: Greetings, Is there a particular reason why a list of lists can't be passed in to create a recarray given a particular dtype? A list of tuples works fine. I keep

[Numpy-discussion] recarrays and lists of lists

2011-09-10 Thread Travis Vaught
Greetings, Is there a particular reason why a list of lists can't be passed in to create a recarray given a particular dtype? A list of tuples works fine. I keep getting bitten by this and was thinking it should be an easy check/convert for an allowance for a row to be a list _or_ a tuple?

Re: [Numpy-discussion] how do I delete unused matrix to save the memory?

2008-12-08 Thread Travis Vaught
Try: del(myvariable) Travis On Dec 8, 2008, at 7:15 PM, frank wang [EMAIL PROTECTED] wrote: Hi, I have a program with some variables consume a lot of memory. The first time I run it, it is fine. The second time I run it, I will get MemoryError. If I close the ipython and reopen it

[Numpy-discussion] ANN: Enthought Python Distribution - New Release

2008-10-21 Thread Travis Vaught
Greetings, Enthought, Inc. is very pleased to announce the newest release of the Enthought Python Distribution (EPD) Py2.5 v4.0.30002: http://www.enthought.com/epd This release contains updates to many of EPD's packages, including NumPy, IPython, matplotlib, VTK, etc. This is also the

Re: [Numpy-discussion] Texas Python Regional Unconference Reminders

2008-10-02 Thread Travis Vaught
the presentations? Unfortunately some of us can't make it down to Texas, but the talks look quite interesting. Thanks, -steve On Oct 1, 2008, at 10:36 AM, Travis Vaught wrote: Greetings, The Texas Python Regional Unconference is coming up this weekend (October 4-5) and I wanted to send out

[Numpy-discussion] Texas Python Regional Unconference Reminders

2008-10-01 Thread Travis Vaught
Greetings, The Texas Python Regional Unconference is coming up this weekend (October 4-5) and I wanted to send out some more details of the meeting. The web page for the meeting is here: http://www.scipy.org/TXUncon2008 The meeting is _absolutely free_, so please add yourself to the

[Numpy-discussion] ANN: Enthought Python Distribution 4.0.300 Beta 2 available

2008-09-22 Thread Travis Vaught
Greetings, We've recently posted the second beta release of the Enthought Python Distribution (EPD) for our upcoming general release of version 4.0.300 with Python 2.5. You may download the beta from here: http://www.enthought.com/products/epdbeta.php Please feel free to test it out and

Re: [Numpy-discussion] global overloading of 1+1 - MyClass(1, 1)

2008-08-18 Thread Travis Vaught
On Aug 18, 2008, at 6:57 PM, Andrew Dalke wrote: ... BTW, it's *fun* to modify an existing language and afterwards it you know a secret - that programming languages are just flimsy facades held together by a shared hallucination. Like in a dream, change things too much or leave gaps and

[Numpy-discussion] SciPy 2008 Registration Deadline Extended

2008-07-12 Thread Travis Vaught
Greetings, The merchant account processor that we use for the SciPy Conference online registration has been experiencing some inexplicable problems authorizing some registrations. Apologies to those who have struggled to register and have not been successful. Because of the problems,

[Numpy-discussion] Enthought Python Distribution

2008-07-02 Thread Travis Vaught
Greetings, We're pleased to announce the beta release of the Enthought Python Distribution for *Mac OS X*. http://www.enthought.com/products/epd.php This release should safely install alongside other existing Python installations on your Mac. With the Mac OS X platform support, EPD now

[Numpy-discussion] SciPy Conference Updates

2008-06-27 Thread Travis Vaught
Greetings, The SciPy Conference is not too far away. I thought I'd summarize some recent news about the conference in case some of you missed it: - Accommodations (news!): We've negotiated a group rate with a nearby Marriott hotel, for those that would like to take advantage of it. The

[Numpy-discussion] EuroSciPy Early Registration Reminder

2008-06-13 Thread Travis Vaught
Greetings, This is a friendly reminder that the Early Registration deadline for the EuroSciPy Conference is June 15th. If you're interested in attending, but have not yet registered, please visit: http://www.scipy.org/EuroSciPy2008 The talks schedule is also now available there. Also, the

[Numpy-discussion] [ANN] EuroSciPy Abstracts Deadline Reminder

2008-04-30 Thread Travis Vaught
Greetings, Just a reminder: the abstracts for the EuroSciPy Conference in Leipzig are due by midnight tonight (CST, US [UTC -6]) April, 30. If you'd like to present, please submit your abstract as a PDF, MS Word or plain text file to [EMAIL PROTECTED] For more information on the EuroSciPy

[Numpy-discussion] [ANN] EuroSciPy Registration now open

2008-04-10 Thread Travis Vaught
Greetings, I'm pleased to announce that the registration for the first-annual EuroSciPy Conference is now open. http://scipy.org/EuroSciPy2008 Please take advantage of the early-bird rate and register soon. We'd love to have an early idea of attendance so that we can scale the venue

Re: [Numpy-discussion] planet.scipy.org

2008-04-01 Thread Travis Vaught
Fixed now...many apologies for the outage. Travis On Apr 1, 2008, at 8:19 AM, Gael Varoquaux wrote: On Tue, Apr 01, 2008 at 02:29:13PM +0200, Matthieu Brucher wrote: The planet is no longer accessible. Anyone has the same issue ? Yes, the scipy.org server is down. I think we need to wait

[Numpy-discussion] ANN: EuroSciPy 2008 Conference - Leipzig, Germany

2008-03-12 Thread Travis Vaught
Greetings, We're pleased to announce the EuroSciPy 2008 Conference to be held in Leipzig, Germany on July 26-27, 2008. http://www.scipy.org/EuroSciPy2008 We are very excited to create a venue for the European community of users of the Python programming language in science. This conference

[Numpy-discussion] ANN: Enthought Python Distribution - Beta

2008-02-27 Thread Travis Vaught
Greetings, Enthought is very excited about our pending wide-release of the Enthought Python Distribution (EPD). After much effort, we finally think we're close to the first non-beta release. As one more quality check, we'd love to impose on you guys one more time to try out a just-

Re: [Numpy-discussion] Scipy page

2008-01-20 Thread Travis Vaught
Greetings, On Jan 20, 2008, at 1:15 PM, Fernando Perez wrote: On Jan 20, 2008 2:06 AM, Charles R Harris [EMAIL PROTECTED] wrote: On Jan 19, 2008 9:35 PM, Jarrod Millman [EMAIL PROTECTED] wrote: On Jan 19, 2008 7:23 PM, Jarrod Millman [EMAIL PROTECTED] wrote: On Jan 19, 2008 12:02

[Numpy-discussion] ANN: Reminder - Texas Python Regional Unconference

2007-09-12 Thread Travis Vaught
Greetings, Just a reminder for those in the area... http://pycamp.python.org/Texas/HomePage The Unconference is to be held this weekend (Saturday and Sunday, September 15, 16) at the Texas Learning Computing Center at the University of Houston main campus. It's free. Sign up by adding

Re: [Numpy-discussion] Anyone have a well-tested SWIG-based C++ STL valarray = numpy.array typemap to share?

2007-09-05 Thread Travis Vaught
Have you seen this? http://www.scipy.org/Cookbook/SWIG_and_NumPy Also, the numpy/doc/swig directory has the simple typemaps. Travis On Sep 5, 2007, at 7:08 AM, Xavier Gnata wrote: I'm using the numpy C API (PyArray_SimpleNewFromData) to perform the conversion but my code is written by

Re: [Numpy-discussion] How to implement a 'pivot table?'

2007-08-01 Thread Travis Vaught
Greetings, Speaking of brute force... I've attached a rather ugly module that let's you do things with a pretty simple interface (session shown below). I haven't fully tested the performance, but a million records with 5 fields takes about 11 seconds on my Mac to do a 'mean'. I'm not

[Numpy-discussion] ANN: SciPy 2007 Conference Updates

2007-07-15 Thread Travis Vaught
Greetings, We're excited to have *Ivan Krstić*, the director of security architecture for the One Laptop Per Child project as our Keynote Speaker this year. The planning for the SciPy 2007 Conference is moving along. Please see below for some important updates. Schedule Available

[Numpy-discussion] ANN: SciPy Conference Early Registration Reminder

2007-07-06 Thread Travis Vaught
Greetings, The *SciPy 2007 Conference on Scientific Computing with Python* early registration deadline is July 15, 2007. After this date, the price for registration will increase from $150 to $200. More information on the Conference is here: http://www.scipy.org/ SciPy2007 The registration

[Numpy-discussion] ANN: SciPy 2007 Conference

2007-04-18 Thread Travis Vaught
Greetings, The *SciPy 2007 Conference* has been scheduled for mid-August at CalTech. http://www.scipy.org/SciPy2007 Here's the rough schedule: Tutorials: August 14-15 (Tuesday and Wednesday) Conference: August 16-17 (Thursday and Friday) Sprints: August 18(Saturday) Exciting

Re: [Numpy-discussion] organizational question

2007-04-01 Thread Travis Vaught
... Preference will be given to projects that benefit more and larger constituencies, demonstrate exceptional promise or performance, and meet particularly urgent needs. http://matc.mellon.org/2007_nominations/brigham-young-university/ scipy-numpy Best, Travis (Vaught) On Mar 30, 2007, at 2:29 PM