[sage-devel] Re: sage-vmware-4.4.alpha0.zip Corrupted?

2010-07-31 Thread mda_
> [1]http://www.sagemath.org/mirror/win/meta/sage-vmware-4.4.alpha0.zip.me... > [2]http://aria2.sourceforge.net/ > > I'm not aware of a better solution to handle this problem ... > > H Harald: I think metalinks are great, indeed, the metalink file you reference contains a torrent file reference

Re: [sage-devel] Re: How does real_lazy work?

2010-07-31 Thread Mike Hansen
On Sat, Jul 31, 2010 at 2:32 PM, Simon King wrote: > I agree that this "error opening source code" sucks. The attitude to > hide the code (and even the documentation, in some cases!) behind > layers of abstraction seems a side-effect of the new category > framework (perhaps not in this particular

[sage-devel] Installing optional R packages.

2010-07-31 Thread ancienthart
Hi guys and gals, I'm having some difficulty installing gstat, automap and sp into the sage R environment. I keep getting an error saying that the "sage R include directory is empty" Is there a way I can fix this? Joal Heagney -- To post to this group, send an email to sage-devel@googlegroups.c

[sage-devel] Re: How does real_lazy work?

2010-07-31 Thread Simon King
On 31 Jul., 23:32, Simon King wrote: > > Does anyone with a bit more understanding of > > python then me know what is going on in sage.rings.real_lazy and most > > importand, is it possible to make the mechanism by which LazyWrapper > > adds the sqrt function overwrite an already existing sqrt() f

[sage-devel] Re: How does real_lazy work?

2010-07-31 Thread Simon King
Hi koffie, On 31 Jul., 16:57, koffie wrote: > ... What goes wrong is > that they add functions to a class in sage.rings.real_lazy in a way > that I don't understand and in a way that seems not very compatible > with good object oriented coding conventions. I had a brief look at the code, and it

[sage-devel] How does real_lazy work?

2010-07-31 Thread koffie
Hej All, I was doing some work on http://trac.sagemath.org/sage_trac/ticket/9094. In trying to do it the nice way (i.e. avoiding unnessery double code by putting the code in a common base class) I ran into trouble. The core of all problems seems to be with real_lazy. What goes wrong is that they a

[sage-devel] gcc 4.5.1 released today

2010-07-31 Thread David Kirkby
I was just about to install gcc 4.5.0 on 't2' when I noticed that 4.5.1 has just been released today. I had to get it from the GNU site directly, as the mirrors did not have it. ftp://ftp.gnu.org/gnu/gcc/gcc-4.5.1/gcc-4.5.1.tar.bz2 for anyone that wants it. Given this is a maintenance release, wi

[sage-devel] Re: Groebner basis of Polynomials over integer

2010-07-31 Thread Simon King
Hi! I got some answer from the Singular team. > So, they do not claim that slimgb works over the integers. Indeed, slimgb apparently is designed for coefficients that form a field. Therefore, calling slimgb on an integer example will, in future, result in an error message. To wrap it up: I.g

[sage-devel] Re: multivariate power series with rmpoly

2010-07-31 Thread mario
On Jul 30, 2:22 pm, Niles wrote: > On Jul 30, 7:36 am, mario wrote: > > > I have not tried using other rings; can you give me an example to try? > > Sure!  The patch works over any commutative ring that sage supports; > here are a couple: > > sage: M. = MPowerSeriesRing(GF(11),4); M > Multivari

Re: [sage-devel] Help us test Cython?

2010-07-31 Thread Mitesh Patel
On 07/30/2010 01:54 AM, Craig Citro wrote: > So we're currently working on a long-overdue release of Cython with > all kinds of snazzy new features. However, our automated testing > system seems to keep turning up sporadic segfaults when running the > sage doctest suite. This is obviously bad, but

Re: [sage-devel] Re: Wrong symbolic sum

2010-07-31 Thread Mitesh Patel
On 07/31/2010 12:53 AM, Henryk Trappmann wrote: > On Jul 29, 9:12 pm, kcrisman wrote: >> I will point out, though, that you clearly *do* use Maxima, since you >> tried to do this in Sage, which uses Maxima heavily. > > This may be, but I dont know about it. > I know that Sage uses Maxima, but nei