Re: [Numpy-discussion] How exactly ought 'dot' to work?

2014-02-23 Thread Nathaniel Smith
On Sat, Feb 22, 2014 at 7:09 PM, Pauli Virtanen wrote: > 23.02.2014 00:03, Nathaniel Smith kirjoitti: >> Currently numpy's 'dot' acts a bit weird for ndim>2 or ndim<1. In >> practice this doesn't usually matter much, because these are very >> rarely used. But, I would like to nail down the behavio

[Numpy-discussion] 1.8.1 release

2014-02-23 Thread Charles R Harris
Hi All, A lot of fixes have gone into the 1.8.x branch and it looks about time to do a bugfix release. There are a couple of important bugfixes still to backport, but if all goes well next weekend, March 1, looks like a good target date. So give the current 1.8.x branch a try so as to check that i

Re: [Numpy-discussion] Suggestions for GSoC Projects

2014-02-23 Thread Jennifer stone
> > Typically, you need to tell mpmath to use an appropriate precision for > the evaluation: > > >>> mpmath.mp.dps = 300 > >>> float(mpmath.hyp2f1('10','5','-300.5','0.5')) > -3.8520270815239185e+32 > > Oh k! I didn't pay that much heed to it an

Re: [Numpy-discussion] Suggestions for GSoC Projects

2014-02-23 Thread Pauli Virtanen
23.02.2014 15:18, Jennifer stone kirjoitti: [clip] > I tried the same input in mpmath to check if it works there: > hyp2f1(10,5,-300.5,0.5) > >>> mpf('0.9211827166328477893913199888') > > which is the solution when we apply power series expansion. Typically, you need to tell mpmath to use an appro

Re: [Numpy-discussion] Suggestions for GSoC Projects

2014-02-23 Thread Jennifer stone
In an attempt to analyze the accuracy of hyp2f1, Different cases mentioned in Abramowitz ( http://people.math.sfu.ca/~cbm/aands/page_561.htm ) and also in the Thesis on 'Computation of Hypergeometric functions" (http://people.maths.ox.ac.uk/port

Re: [Numpy-discussion] GSOC

2014-02-23 Thread Pauli Virtanen
23.02.2014 11:30, Ralf Gommers kirjoitti: [clip] > 1. fix up ideas page with scipy/numpy descriptions, idea difficulty levels > and preferably some more ideas. Here's a start: https://github.com/scipy/scipy/wiki/GSoC-project-ideas ___ NumPy-Discussio

Re: [Numpy-discussion] GSOC

2014-02-23 Thread Ralf Gommers
On Sun, Feb 23, 2014 at 10:44 AM, Sebastian Berg wrote: > On So, 2014-02-23 at 10:30 +0100, Ralf Gommers wrote: > > > > > > > > On Fri, Feb 21, 2014 at 5:17 PM, Charles R Harris > > wrote: > > > > > > > > On Fri, Feb 21, 2014 at 1:18 AM, Jennifer stone > > wrote: > >

Re: [Numpy-discussion] GSOC

2014-02-23 Thread Sebastian Berg
On So, 2014-02-23 at 10:30 +0100, Ralf Gommers wrote: > > > > On Fri, Feb 21, 2014 at 5:17 PM, Charles R Harris > wrote: > > > > On Fri, Feb 21, 2014 at 1:18 AM, Jennifer stone > wrote: > https://wiki.python.org/moin/SummerOfCode/2014

Re: [Numpy-discussion] GSOC

2014-02-23 Thread Ralf Gommers
On Fri, Feb 21, 2014 at 5:17 PM, Charles R Harris wrote: > > > > On Fri, Feb 21, 2014 at 1:18 AM, Jennifer stone > wrote: > >> https://wiki.python.org/moin/SummerOfCode/2014 >> The link provided by Josef is yet to list SciPy/NumPy under it. Somebody >> please contact Terri. >> That page acts as