[sage-support] Re: Is there a way to access the unsimplified form of a symbolic expression?

2008-09-17 Thread Jason Merrill
On Sep 17, 12:31 am, Jason Merrill [EMAIL PROTECTED] wrote: On Sep 16, 11:45 pm, Jason Merrill [EMAIL PROTECTED] wrote: Can I ever get sage to print something like sage: (x - x).some_devious_trick() x - x Just wanted to develop this idea a little further.  Right now, pretty much

[sage-support] Re: Questions about parallel sage, i.e. dsage

2008-09-17 Thread yann-ledu
On Sep 16, 9:37 pm, William Stein [EMAIL PROTECTED] wrote: On Tue, Sep 16, 2008 at 12:16 PM, Yann Le Du [EMAIL PROTECTED] wrote: Hello, I tried to email the person apprently responsible for dsage, Yi Qiang, about this, to no avail, so I turn to the list. I use sage, v. 3.1.1, and

[sage-support] Sage LiveCD md5 hashes

2008-09-17 Thread 5463
Where can one find md5sum hashes for the Sage LiveCD? --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at

[sage-support] Re: Questions about parallel sage, i.e. dsage

2008-09-17 Thread Serge Salamanka
Hi, I'm also interested in using dsage. I'm involved in international collaboration project developing Grid technologies ( http://balticgrid.org/ ). I have one supercomputer at my disposal ( http://supercomp.basnet.by/index_en.html ) and I want to install sage on worker nodes. Yann, do you

[sage-support] Re: Questions about parallel sage, i.e. dsage

2008-09-17 Thread Martin Albrecht
On Tuesday 16 September 2008, Yann Le Du wrote: Hello, I tried to email the person apprently responsible for dsage, Yi Qiang, about this, to no avail, so I turn to the list. I use sage, v. 3.1.1, and am trying to build an application (Monte Carlo stuff) and use dsage to parallelize the

[sage-support] Re: Sage LiveCD md5 hashes

2008-09-17 Thread Harald Schilly
here: http://sage.math.washington.edu/home/alfredo/sagelivecd/md5.txt they were missing, and alfredo will provide them in the future. thx for noticing! h On Sep 17, 10:00 am, 5463 [EMAIL PROTECTED] wrote: Where can one find md5sum hashes for the  Sage LiveCD?

[sage-support] Re: behaviour of reduce ?

2008-09-17 Thread Pierre
Alternatively, the forementioned patches might be interesting to you since they speed up multivariate polynomial arithmetic over absolute number fields dramatically. All they need are reviews ... hint, hint ;-) i know absolutely nothing about patches, reviewing, contributing to sage or that

[sage-support] Re: behaviour of reduce ?

2008-09-17 Thread Martin Albrecht
On Wednesday 17 September 2008, Pierre wrote: Alternatively, the forementioned patches might be interesting to you since they speed up multivariate polynomial arithmetic over absolute number fields dramatically. All they need are reviews ... hint, hint ;-) i know absolutely nothing about

[sage-support] Re: http://wiki.sagemath.org/art

2008-09-17 Thread Harald Schilly
the directory points clearly to william, maybe he has just moved those files, i don't know. those things need more organization... some day ... Here is a png file, but i don't have the sources for it available right now: http://homepage.univie.ac.at/harald.schilly/sage/sage_poster_schilly_v2.png

[sage-support] Small Scale Variants of the AES (SR)

2008-09-17 Thread vpv
I've successfully created a 4x4 4-bit variant of SR sage: sr = mq.SR(1,4,4,4,allow_zero_inversions=True) sage: sr SR(1,4,4,4) Next I would like to create a plaintext/key pair, which is composed of variables (say x0,x1,...,x15,k0,k1,...,k15) rather than actual values (eg. 0,1,...,1,0,0,0,1,1).

[sage-support] Re: http://wiki.sagemath.org/art

2008-09-17 Thread William Stein
On Wed, Sep 17, 2008 at 7:47 AM, Harald Schilly [EMAIL PROTECTED] wrote: the directory points clearly to william, maybe he has just moved those files, i don't know. those things need more organization... some Harald, Just look at /home2/sage/www and you'll see the art directory. It's one of

[sage-support] Re: Questions about parallel sage, i.e. dsage

2008-09-17 Thread William Stein
On Wed, Sep 17, 2008 at 4:27 AM, Martin Albrecht [EMAIL PROTECTED] wrote: On Tuesday 16 September 2008, Yann Le Du wrote: Hello, I tried to email the person apprently responsible for dsage, Yi Qiang, about this, to no avail, so I turn to the list. I use sage, v. 3.1.1, and am trying to

[sage-support] Re: Small Scale Variants of the AES (SR)

2008-09-17 Thread Martin Albrecht
On Wednesday 17 September 2008, vpv wrote: I've successfully created a 4x4 4-bit variant of SR sage: sr = mq.SR(1,4,4,4,allow_zero_inversions=True) sage: sr SR(1,4,4,4) Next I would like to create a plaintext/key pair, which is composed of variables (say x0,x1,...,x15,k0,k1,...,k15)

[sage-support] List of dictionaries or single dictionary?

2008-09-17 Thread Simon King
Dear Team, suppose one has data that are addressed by a pair of integers i,j. Suppose further that the occuring values of i form a range 0,...,n. The occuring values of j, in contrast, do not come in a range. How should these data be stored? 1. As a list L of dictionaries, so that you can get

[sage-support] Re: List of dictionaries or single dictionary?

2008-09-17 Thread Robert Bradshaw
On Sep 17, 2008, at 10:28 AM, Simon King wrote: Dear Team, suppose one has data that are addressed by a pair of integers i,j. Suppose further that the occuring values of i form a range 0,...,n. The occuring values of j, in contrast, do not come in a range. How should these data be

[sage-support] Re: Small Scale Variants of the AES (SR)

2008-09-17 Thread Martin Albrecht
On Wednesday 17 September 2008, vpv wrote: I've successfully created a 4x4 4-bit variant of SR sage: sr = mq.SR(1,4,4,4,allow_zero_inversions=True) sage: sr SR(1,4,4,4) Next I would like to create a plaintext/key pair, which is composed of variables (say x0,x1,...,x15,k0,k1,...,k15)

[sage-support] Re: http://wiki.sagemath.org/art

2008-09-17 Thread Harald Schilly
On Sep 17, 6:39 pm, William Stein [EMAIL PROTECTED] wrote: On Wed, Sep 17, 2008 at 7:47 AM, Harald Schilly Just look at /home2/sage/www and you'll see the art directory.  It's one of the directories you didn't carry over from the old website to the new one. it's at sagemath.org/old/art and

[sage-support] Re: Questions about parallel sage, i.e. dsage

2008-09-17 Thread John Voight
Hello! It is a pity that Yi has moved on (at least for the moment), but it doesn't surprise me: he's amazing and surely working on fabulous and interesting things. I did and do use dsage quite extensively--it's been essential for me in enumerating number fields. I also have access to a cluster

[sage-support] Re: displaying diff as a partial/total derivative

2008-09-17 Thread Jason Grout
William Stein wrote: On Tue, Sep 16, 2008 at 3:56 PM, Jason Grout [EMAIL PROTECTED] wrote: I'm writing an @interact to solve simple 2nd order differential equations and plot solutions. In it, I'd like to typeset the formula: show(a*diff(y,t,2)+b*diff(y,t)+c==0) However, what shows up is

[sage-support] Re: displaying diff as a partial/total derivative

2008-09-17 Thread William Stein
On Wed, Sep 17, 2008 at 2:03 PM, Jason Grout [EMAIL PROTECTED] wrote: William Stein wrote: On Tue, Sep 16, 2008 at 3:56 PM, Jason Grout [EMAIL PROTECTED] wrote: I'm writing an @interact to solve simple 2nd order differential equations and plot solutions. In it, I'd like to typeset the

[sage-support] Re: bug in limit()

2008-09-17 Thread Mike Hansen
Hi Alex, sage: limit(sin(y[0])/y[0],y[0]=0) File ipython console, line 1 SyntaxError: keyword can't be an expression (ipython console, line 1) sage: w=x sage: limit(sin(w)/w,x=0) 1 sage: limit(sin(w)/w,w=0) sin(x)/x This

[sage-support] bug in limit()

2008-09-17 Thread Alex Raichev
Hi all: There seems to be a bug in how the limit() function handles variables in its second argument. Here are two examples. Alex - | SAGE Version 3.0.6, Release Date: 2008-07-30 | |

[sage-support] why isn't QQ a FractionField?

2008-09-17 Thread John H Palmieri
sage: is_FractionField(FractionField(ZZ)) False Oy. This seems to be intentional: there is a doctest very similar to this. It doesn't seem right, though. How hard would it be to change? Is it worth it? Along the same lines, partial fraction decomposition should work for rational numbers; this

[sage-support] Re: why isn't QQ a FractionField?

2008-09-17 Thread John H Palmieri
On Sep 17, 9:09 pm, William Stein [EMAIL PROTECTED] wrote: On Wed, Sep 17, 2008 at 8:59 PM, John H Palmieri [EMAIL PROTECTED] wrote: sage: is_FractionField(FractionField(ZZ)) False Oy. This seems to be intentional: there is a doctest very similar to this. It doesn't seem right, though.