[sage-devel] Re: Py_UNICODE_SIZE on OS X

On 10/07/2008, at 2:04 PM, mabshoff wrote: >> It should be fine. We used UCS2 until maybe 8 months ago. We >> switched >> as mentioned above only for Linux compatibility. >> >>> You will need to do this for each successive >>> version of sage, which could be tedious. >> >> I would be ok with

[sage-devel] Re: how to handle assumptions

>> Integrate[x^a, {x, 1, Infinity}] returns an answer that incorporates >> assumptions: >> If[Re[a] < -1, -(1/(1 + a)), Integrate[x^a, {x, 1, ∞}, Assumptions >> -> >> Re[a] >= -1]] >> >> If you want me to unpack that or have a more instructive example, >> just >> ask. >> > Forgot about that

[sage-devel] Re: how to handle assumptions

On Thu, 10 Jul 2008, David Philp wrote: > Multiple solutions are different to assumptions in Mathematica. > > Solve[x^2 == 1, x] returns a two unconditional solutions. (x -> 1, x- > > > -1 are both solutions). > > Integrate[x^a, {x, 1, Infinity}] returns an answer that incorporates > assumption

[sage-devel] Sage 3.0.4 released

[Note: There are no binaries yet, but they are being build and the mirrors are not current, so you need to download from sagemath.org] Hello folks, Sage 3.0.4 has been released on July 9th, 2008. It is available at http://sagemath.org/download.html * About Sage (http://www.sagemath.

[sage-devel] Re: how to handle assumptions

On 10/07/2008, at 2:14 PM, François Bissey wrote: > > On Thu, 10 Jul 2008, Robert Dodier wrote: >> William Stein wrote: >>> If you answer could you summarize what Maple/Mathematica do >>> (if you care), and if so why you think whatever you propose is >>> better than them. >> >> Not sure if I am

[sage-devel] Re: how to handle assumptions

root wrote: > > view the pdf file for "Schaums 14.120-14.124" (schaum5.input.pdf) > See the result on page 3 of the pdf. > > The first integral result returned by Axiom is a list of answers. Hmm. I don't see any indication of the domain in w

[sage-devel] Re: how to handle assumptions

On Thu, 10 Jul 2008, Robert Dodier wrote: > William Stein wrote: > > If you answer could you summarize what Maple/Mathematica do > > (if you care), and if so why you think whatever you propose is > > better than them. > > Not sure if I am the "you" in question here, but fwiw I don't know > what Ma

[sage-devel] Re: doctest coverage goals

On Jul 9, 7:38 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > Here's a plain for coverage.  We're at 53.6% now. > > 60% by aug 1; 70% by sep 1; 80% by oct 1; 90% by nov 1; 95% by dec 1; > 100% by dec 31. Well, 10% a month is ambitious, but let's try to do our best to do it. We should start by

[sage-devel] Re: how to handle assumptions

William Stein wrote: > If you answer could you summarize what Maple/Mathematica do > (if you care), and if so why you think whatever you propose is > better than them. Not sure if I am the "you" in question here, but fwiw I don't know what Maple or Mathematica do when there are multiple solution

[sage-devel] Re: Py_UNICODE_SIZE on OS X

On Jul 9, 8:18 pm, "William Stein" <[EMAIL PROTECTED]> wrote: > On Wed, Jul 9, 2008 at 8:11 PM, David Philp <[EMAIL PROTECTED]> wrote: Hi, > > This is a 'for the record' email describing how to use boost.python > > with sage on Mac OS X. Thanks to the gentlefolk who walked me through > > it (esp

[sage-devel] Re: Py_UNICODE_SIZE on OS X

On Wed, Jul 9, 2008 at 8:11 PM, David Philp <[EMAIL PROTECTED]> wrote: > > > This is a 'for the record' email describing how to use boost.python > with sage on Mac OS X. Thanks to the gentlefolk who walked me through > it (especially Carl Witty). > > I am assuming a working boost.python extension

[sage-devel] Py_UNICODE_SIZE on OS X

This is a 'for the record' email describing how to use boost.python with sage on Mac OS X. Thanks to the gentlefolk who walked me through it (especially Carl Witty). I am assuming a working boost.python extension called 'my_ext.so'. "Working" means that you should be able to start up pyth

[sage-devel] doctest coverage goals

Here's a plain for coverage. We're at 53.6% now. 60% by aug 1; 70% by sep 1; 80% by oct 1; 90% by nov 1; 95% by dec 1; 100% by dec 31. -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~-~--~~~---~--~~ To post

[sage-devel] Re: book that uses sage

This looks really excellent. A few extremely minor comments. (1) You have 2 photos of Lenstra, p133+p137. I'm not sure if that was intended. (Also, one is "Lenstra" and the other is "Hendrik Lenstra", yet the references have papers by both H Lenstra and A Lenstra.) (2) The Juno Reactor cover art o

[sage-devel] Re: sagemath.org relaunch

I've noticed 2 things. First - mirrors were not showing in the download page (when I looked at it - it may be fixed by now). Second - there seem to be no a link to the screenshot page. Alec --~--~-~--~~~---~--~~ To post to this group, send email to sage-devel@

[sage-devel] sagemath.org relaunch

Hi everybody ... it's about a week since the redesigned Sage website is online. I've started to work on it about two month ago and took much much longer than i expected. Now I want to recapitulate the first week and tell you a bit about the page. Especially, because I had to consider some things o

[sage-devel] Re: Sage 3.0.4.rc0 released

2008/7/9 mabshoff <[EMAIL PROTECTED]>: > > > > On Jul 8, 7:35 am, "John Cremona" <[EMAIL PROTECTED]> wrote: >> 2008/7/8 John Cremona <[EMAIL PROTECTED]>: > > > Hi John, > >> By the way, I asked this before but the answer was too complicated for >> me. It takes hours to build Sage on my new lapto

[sage-devel] Re: Notebook feature request

On 9-Jul-08, at 9:55 AM, Robert Miller wrote: > >>> Python >>> has amnesia, in a sense -- it never knows where code really came >>> from, but there are ways around this. > > It is also the case that when you load a file, tracebacks simply say > that the error is in "module"... I wish those trace

[sage-devel] Another bug in QuaternionAlgebra over RealIntervalField

R = RealIntervalField(53); A. = QuaternionAlgebra(R, -1,-1); a = R(0.85323069669636530)*j + R(-1.2524486580700891)*k; b = R(0.37151417469522368) + R(0.54534187688354340)*i a/b; This computation gives a "ValueError: Generator 0 not defined". Note that if I instead define R as a RealField the co

[sage-devel] Re: Notebook feature request

> > Python > > has amnesia, in a sense -- it never knows where code really came > > from, but there are ways around this. It is also the case that when you load a file, tracebacks simply say that the error is in "module"... I wish those tracebacks were more helpful too... --~--~-~--~

[sage-devel] Re: Sage 3.0.4.rc0 released

On Jul 8, 7:35 am, "John Cremona" <[EMAIL PROTECTED]> wrote: > 2008/7/8 John Cremona <[EMAIL PROTECTED]>: Hi John, > By the way, I asked this before but the answer was too complicated for > me.  It takes hours to build Sage on my new laptop with this system: > > Linux version 2.6.24-19-generi

[sage-devel] Sage 3.0.4.rc2 released

Hello folks, rc2 is out. If you do not own or use an Itanium this might be of little consequence to you, but it is available at http://sage.math.washington.edu/home/was/tmp/sage-3.0.4.rc2.tar The few fixes are mostly bugs that happened to hit on Itanium, but the new FLINT 1.0.11 might be wor

[sage-devel] Re: how to run Sage in a system wide Python

>> teragon-2:build was$ ./sage-3.0.4.rc0/sage -startuptime |grep sympy >>sympy: 0.098 (sage.calculus.calculus) > > Yes, I am sorry about this trojan horse, it was definitely not an > intention. :) I hope after the patch all will be fine. > I forgot to mention that we spent a lot of ti

[sage-devel] Re: Help on pyprocessing - Multicore CPU Usage Problem

On Wed, Jul 9, 2008 at 3:27 AM, Michael Mardaus <[EMAIL PROTECTED]> wrote: > > Hi, > > I would like to use sage for a computation with a long for loop. And > it takes forever on my machine (15 mins). So i tried to speed it up > with a server in the university (with 8 Xeon cores). But i found out >

[sage-devel] Re: Help on pyprocessing - Multicore CPU Usage Problem

> For example: > for i in range(8): > print factor(i) > I just compiled 3.0.4.rc1 which has the new pyprocessing stuff: (1) the i's in your example are way to small for pyprocessing to give an advantage due to the overhead of calling the other process, you could split up your function

[sage-devel] Re: constructions document

Done. It is http://sagetrac.org/sage_trac/ticket/3624 For anyone ese who wants to add a chapter, I've tried to set it up so that you just create a new subdirectory of cookbook for your chapter, add an input line to cookbook.tex and modify the files in the coding-theory subdirectory in a fairly obv

[sage-devel] Re: how to run Sage in a system wide Python

On Wed, Jul 9, 2008 at 12:50 PM, David Joyner <[EMAIL PROTECTED]> wrote: > > On Wed, Jul 9, 2008 at 4:32 AM, Ondrej Certik <[EMAIL PROTECTED]> wrote: >> On Wed, Jul 9, 2008 at 7:27 AM, William Stein <[EMAIL PROTECTED]> wrote: >>> >>> On Tue, Jul 8, 2008 at 10:21 PM, Ondrej Certik <[EMAIL PROTECTED]

[sage-devel] Re: how to run Sage in a system wide Python

On Wed, Jul 9, 2008 at 4:32 AM, Ondrej Certik <[EMAIL PROTECTED]> wrote: > On Wed, Jul 9, 2008 at 7:27 AM, William Stein <[EMAIL PROTECTED]> wrote: >> >> On Tue, Jul 8, 2008 at 10:21 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote: >>> On Wed, Jul 9, 2008 at 2:29 AM, François Bissey <[EMAIL PROTECTED]

[sage-devel] Help on pyprocessing - Multicore CPU Usage Problem

Hi, I would like to use sage for a computation with a long for loop. And it takes forever on my machine (15 mins). So i tried to speed it up with a server in the university (with 8 Xeon cores). But i found out when I run the program, the cpu usage is at 12,5%. Which lets me guess that only one cp

[sage-devel] Re: how to run Sage in a system wide Python

On Wed, Jul 9, 2008 at 11:43 AM, Dag Sverre Seljebotn <[EMAIL PROTECTED]> wrote: > > Ondrej Certik wrote: >> 2008/7/9 William Stein <[EMAIL PROTECTED]>: > Thanks for doing all this! See Sage integrates into your > environment after all :-). Yes and it made me pretty excited!! Only it

[sage-devel] Re: how to run Sage in a system wide Python

Ondrej Certik wrote: > 2008/7/9 William Stein <[EMAIL PROTECTED]>: Thanks for doing all this! See Sage integrates into your environment after all :-). >>> Yes and it made me pretty excited!! Only it's 4x slower than sympy: >> Is that "4 x" all Sage startup time, i.e., the time to do >>

[sage-devel] Re: how to run Sage in a system wide Python

2008/7/9 William Stein <[EMAIL PROTECTED]>: >>> Thanks for doing all this! See Sage integrates into your >>> environment after all :-). >> >> Yes and it made me pretty excited!! Only it's 4x slower than sympy: > > Is that "4 x" all Sage startup time, i.e., the time to do > "from sage.all import *

[sage-devel] Re: book that uses sage

On Wed, Jul 9, 2008 at 1:53 AM, mabshoff <[EMAIL PROTECTED]> wrote: > > > > On Jul 9, 1:47 am, "William Stein" <[EMAIL PROTECTED]> wrote: >> Hi, >> >> This number theory book that I wrote uses Sage throughout: >> >> http://sage.math.washington.edu/papers/ent/ent-stein/ent.pdf >> >> It will be publ

[sage-devel] Re: how to run Sage in a system wide Python

>> Thanks for doing all this! See Sage integrates into your >> environment after all :-). > > Yes and it made me pretty excited!! Only it's 4x slower than sympy: Is that "4 x" all Sage startup time, i.e., the time to do "from sage.all import *"? Shouldn't you time something like this: sage: tim

[sage-devel] Re: book that uses sage

On Jul 9, 1:47 am, "William Stein" <[EMAIL PROTECTED]> wrote: > Hi, > > This number theory book that I wrote uses Sage throughout: > > http://sage.math.washington.edu/papers/ent/ent-stein/ent.pdf > > It will be published by Springer-Verlag as a UTM book sometime > in the next 6 months.   Comment

[sage-devel] book that uses sage

Hi, This number theory book that I wrote uses Sage throughout: http://sage.math.washington.edu/papers/ent/ent-stein/ent.pdf It will be published by Springer-Verlag as a UTM book sometime in the next 6 months. Comments welcome before it's too late :-) -- William -- William Stein Associate

[sage-devel] Re: how to run Sage in a system wide Python

On Wed, Jul 9, 2008 at 10:36 AM, William Stein <[EMAIL PROTECTED]> wrote: > > On Wed, Jul 9, 2008 at 1:32 AM, Ondrej Certik <[EMAIL PROTECTED]> wrote: >> On Wed, Jul 9, 2008 at 7:27 AM, William Stein <[EMAIL PROTECTED]> wrote: >>> >>> On Tue, Jul 8, 2008 at 10:21 PM, Ondrej Certik <[EMAIL PROTECTED

[sage-devel] Re: how to run Sage in a system wide Python

On Wed, Jul 9, 2008 at 1:32 AM, Ondrej Certik <[EMAIL PROTECTED]> wrote: > On Wed, Jul 9, 2008 at 7:27 AM, William Stein <[EMAIL PROTECTED]> wrote: >> >> On Tue, Jul 8, 2008 at 10:21 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote: >>> On Wed, Jul 9, 2008 at 2:29 AM, François Bissey <[EMAIL PROTECTED]

[sage-devel] Re: how to run Sage in a system wide Python

On Wed, Jul 9, 2008 at 7:27 AM, William Stein <[EMAIL PROTECTED]> wrote: > > On Tue, Jul 8, 2008 at 10:21 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote: >> On Wed, Jul 9, 2008 at 2:29 AM, François Bissey <[EMAIL PROTECTED]> wrote: >>> >>> On Wed, 09 Jul 2008, Ondrej Certik wrote: The only remain

[sage-devel] Re: how to run Sage in a system wide Python

On Wed, Jul 9, 2008 at 8:39 AM, Fernando Perez <[EMAIL PROTECTED]> wrote: > > On Tue, Jul 8, 2008 at 10:21 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote: >> On Wed, Jul 9, 2008 at 2:29 AM, François Bissey <[EMAIL PROTECTED]> wrote: >>> >>> On Wed, 09 Jul 2008, Ondrej Certik wrote: The only remai