Re: [sage-devel] Re: Useful link - internal algorithms used by Mathematica

2010-11-07 Thread Tom Boothby
Ah hah, I see the problem. I was recalling this page: http://reference.wolfram.com/mathematica/tutorial/WhyYouDoNotUsuallyNeedToKnowAboutInternals.html which is what I thought the link originating this tread had replaced. Thanks for being civil about pointing out my error, Mark. On Sun, Nov 7,

[sage-devel] Re: Useful link - internal algorithms used by Mathematica

2010-11-07 Thread mark mcclure
On Nov 8, 12:34 am, Tom Boothby wrote: > I was referring to the webpage, and not the journal article, lest I be > further accused of illicit drug use. As RJF said, that's part of the standard documentation and goes back as far as I can recall. It's in the Mathematica Book for version 2. -- To

Re: [sage-devel] Re: Useful link - internal algorithms used by Mathematica

2010-11-07 Thread Tom Boothby
On Sun, Nov 7, 2010 at 9:27 PM, mark mcclure wrote: > On Nov 7, 7:22 pm, Tom Boothby wrote: >> Hey, that's pretty neat!  I wonder if this is a direct response to our >> public criticism of their (extreme lack of) openness? >> ... >> > Mark Sofroniou (one of the numerical algorithm developers at W

[sage-devel] Re: Useful link - internal algorithms used by Mathematica

2010-11-07 Thread mark mcclure
On Nov 7, 7:22 pm, Tom Boothby wrote: > Hey, that's pretty neat!  I wonder if this is a direct response to our > public criticism of their (extreme lack of) openness? > ... > > Mark Sofroniou (one of the numerical algorithm developers at Wolfram > > Research) and Giulia Spaletta (a numerical analy

Re: [sage-devel] Re: Useful link - internal algorithms used by Mathematica

2010-11-07 Thread Tom Boothby
On Sun, Nov 7, 2010 at 7:44 PM, rjf wrote: > On Nov 7, 4:22 pm, Tom Boothby wrote: >> Hey, that's pretty neat!  I wonder if this is a direct response to our >> public criticism of their (extreme lack of) openness? >> > > What are you smoking? Nothing, and I'm completely serious. At the 2008 Joi

[sage-devel] Re: paralizing algorithms

2010-11-07 Thread rjf
On Nov 7, 1:24 am, David Kirkby wrote: > On 7 November 2010 09:22, David Kirkby wrote: > > > As a matter of interest, have many hours have spent using Sage? > > Oops, that was supposed to say: > >  "As a matter of interest, how many hours have you spent using Sage?" > > Dave To the nearest hou

[sage-devel] Re: Useful link - internal algorithms used by Mathematica

2010-11-07 Thread rjf
On Nov 7, 4:22 pm, Tom Boothby wrote: > Hey, that's pretty neat!  I wonder if this is a direct response to our > public criticism of their (extreme lack of) openness? > What are you smoking? -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group,

Re: [sage-devel] Useful link - internal algorithms used by Mathematica

2010-11-07 Thread Tom Boothby
Hey, that's pretty neat! I wonder if this is a direct response to our public criticism of their (extreme lack of) openness? On Wed, Nov 3, 2010 at 7:51 AM, David Kirkby wrote: > Someone posted this on sci.math.symbolic, which I've never seen > before, and is the most detailed list I've see of th

[sage-devel] Re: Useful link - internal algorithms used by Mathematica

2010-11-07 Thread rjf
On Nov 7, 12:55 am, David Kirkby wrote: > > > What were the "few surprises" to you Richard? > Numerical integration, so many methods. Closer to "trying to do everything automatically" than I had thought. It is still an unsolved engineering problem. Reduce, and solution of algebraic systems.

[sage-devel] Re: Building reference.pdf fails

2010-11-07 Thread Håkan Granath
Hi Minh, Great, the package sphinx-0.6.3.p5.spkg solved the problem. Thanks! Håkan -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://group

[sage-devel] ideas and topics

2010-11-07 Thread nekopczynski
I would like to start by thanking everyone who has posted a response. I have spent some time researching some of the ideas listed here and I am really interested in primes. More specifically computing mega primes and their counter part -> twin mega primes. I believe given the resources here at my

Re: [sage-devel] Re: Building reference.pdf fails

2010-11-07 Thread Minh Nguyen
Hi Håkan, On Sun, Nov 7, 2010 at 8:02 PM, Håkan Granath wrote: > Some more info on the failure: It seems that TeX runs out of > string characters when typesetting the index. If I comment > out the next to last line > > \printindex > > of reference.tex the file compiles. How to fix it I do not kno

[sage-devel] Re: build error if GREP_OPTIONS='--color=always'

2010-11-07 Thread John H Palmieri
On Nov 7, 4:33 am, "Dr. David Kirkby" wrote: > On 11/ 7/10 10:50 AM, rafaelf wrote: > > > I don't know if this can be considered a bug: it seems that source > > files are generated via 'grep', but if the variable $GREP_OPTIONS > > contains '--color=always', these sources won't compile because of t

[sage-devel] Re: What enhancements to Jmol and the Jmol in sage-notebook would interest you?...

2010-11-07 Thread Jonathan
On Nov 6, 11:17 pm, Oscar Lazo wrote: > On Nov 6, 7:49 pm, Jonathan Gutow wrote: > > > > > 2) Development of a plot4d command allowing time dependent 3-D plots.  I > > believe this requires a little work on Jmol, but mostly a reworking of how > > sage sends data to Jmol. > > That sounds very

[sage-devel] Re: What enhancements to Jmol and the Jmol in sage-notebook would interest you?...

2010-11-07 Thread Jonathan
On Nov 6, 8:22 pm, Jason Grout wrote: > This would be cool too.  Along these lines, it would be cool to "ride" a > parametric curve, for example, to show how motion works in 3d (T,N,B > vectors, for example). That is one of the places I am interested in going as in chemistry we think about chemi

[sage-devel] Re: What enhancements to Jmol and the Jmol in sage-notebook would interest you?...

2010-11-07 Thread Jonathan
Jmol does have the ability to show the intersection curve of two planes. At the moment that requires using the Jmol command line interface. I will put it on the list of things to figure out how to make a GUI to control that. On Nov 7, 9:03 am, mmarco wrote: > I don't know if it is already done,

[sage-devel] Re: paralizing algorithms

2010-11-07 Thread D.C. Ernst
On Nov 6, 8:37 pm, William Stein wrote: > > I'm not sure if the student asking was an undergrad or postgrad. We tend to > > use the terms different here in the UK to the US. > > > The original poster said: > > > "I am currently a senior computer science student with a strong math > > background.

Re: [sage-devel] What is the "public Mercurial repository" (sagenb)?

2010-11-07 Thread Minh Nguyen
Hi Jeroen, On Mon, Nov 8, 2010 at 2:06 AM, Jeroen Demeyer wrote: > echo "**" > echo "* If this is an official SageNB release, don't forget to *" > echo "* push the changes to the public Mercurial repository. *" > echo "

[sage-devel] What is the "public Mercurial repository" (sagenb)?

2010-11-07 Thread Jeroen Demeyer
I quote from $SAGE_ROOT/devel/sagenb/sdist: echo "**" echo "* If this is an official SageNB release, don't forget to *" echo "* push the changes to the public Mercurial repository. *" echo "**

[sage-devel] Re: What enhancements to Jmol and the Jmol in sage-notebook would interest you?...

2010-11-07 Thread mmarco
I don't know if it is already done, but it would be great to have the possibility of showing a curve as the intersection of two implicit surfaces. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@google

Re: [sage-devel] build error if GREP_OPTIONS='--color=always'

2010-11-07 Thread Jeroen Demeyer
On 2010-11-07 11:50, rafaelf wrote: > I don't know if this can be considered a bug: it seems that source > files are generated via 'grep', but if the variable $GREP_OPTIONS > contains '--color=always', these sources won't compile because of the > extra characters which code the colors. My personal

Re: [sage-devel] build error if GREP_OPTIONS='--color=always'

2010-11-07 Thread Jeroen Demeyer
On 2010-11-07 13:33, Dr. David Kirkby wrote: > On 11/ 7/10 10:50 AM, rafaelf wrote: >> I don't know if this can be considered a bug: it seems that source >> files are generated via 'grep', but if the variable $GREP_OPTIONS >> contains '--color=always', these sources won't compile because of the >>

Re: [sage-devel] Log the connections.

2010-11-07 Thread John Cremona
If you login as admin then you see a list of worksheets with the running ones marked. In my experience this includes a lot which are not really running, but the owner logged out without stopping them. And since users may want to do that intentionally (to leave a long computation running) I don't

Re: [sage-devel] build error if GREP_OPTIONS='--color=always'

2010-11-07 Thread Dr. David Kirkby
On 11/ 7/10 10:50 AM, rafaelf wrote: I don't know if this can be considered a bug: it seems that source files are generated via 'grep', but if the variable $GREP_OPTIONS contains '--color=always', these sources won't compile because of the extra characters which code the colors. So 'grep' in the

[sage-devel] build error if GREP_OPTIONS='--color=always'

2010-11-07 Thread rafaelf
I don't know if this can be considered a bug: it seems that source files are generated via 'grep', but if the variable $GREP_OPTIONS contains '--color=always', these sources won't compile because of the extra characters which code the colors. So 'grep' in the build process should always be used wit

Re: [sage-devel] Re: paralizing algorithms

2010-11-07 Thread Martin Albrecht
On Saturday 06 November 2010, rjf wrote: > Why not look around at the state of the art > in using computers to do something that might be of some benefit. > Math doesn't have to be useless. > > You can look at what other people, especially computer scientists, > have been trying to do and how they

Re: [sage-devel] paralizing algorithms

2010-11-07 Thread Martin Albrecht
On Friday 05 November 2010, nekopczynski wrote: > Hello Everyone, > I am currently a senior computer science student with a strong math > background. One of my professors, Dana Ernst, also a member here, > recommended that I post here. I am looking for a senior project > involving programing, alg

Re: [sage-devel] paralizing algorithms

2010-11-07 Thread David Kirkby
On 5 November 2010 18:48, nekopczynski wrote: > Hello Everyone, > I am currently a senior computer science student with a strong math > background.  One of my professors, Dana Ernst, also a member here, > recommended that I post here.  I am looking for a senior project > involving programing, algo

Re: [sage-devel] Re: Useful link - internal algorithms used by Mathematica

2010-11-07 Thread David Kirkby
On 6 November 2010 20:39, rjf wrote: > on that page has a link from the command documentation to that page. > A regular user of Mathematica with some curiosity about algorithms > will > have been referred to that page many times by following links from > help. > > The documentation on that page g

[sage-devel] Log the connections.

2010-11-07 Thread Thierry Dumont
I have a Sage server used by the students in my University. I would like to know how many connections are active at each time. How to do this? Yours t.d. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubsc

Re: [sage-devel] Re: paralizing algorithms

2010-11-07 Thread David Kirkby
On 7 November 2010 09:22, David Kirkby wrote: > As a matter of interest, have many hours have spent using Sage? Oops, that was supposed to say: "As a matter of interest, how many hours have you spent using Sage?" Dave -- To post to this group, send an email to sage-devel@googlegroups.com To

Re: [sage-devel] Re: paralizing algorithms

2010-11-07 Thread David Kirkby
On 7 November 2010 03:51, rjf wrote: > > > On Nov 6, 5:06 pm, "Dr. David Kirkby" wrote: >> On 11/ 6/10 10:25 PM, William Stein wrote: >> >> > I think it would be wonderful to have a fast implementation of >> > computing the number primes up to x, which is freely available, >> > especially given t

[sage-devel] Re: Building reference.pdf fails

2010-11-07 Thread Håkan Granath
Some more info on the failure: It seems that TeX runs out of string characters when typesetting the index. If I comment out the next to last line \printindex of reference.tex the file compiles. How to fix it I do not know yet. /Håkan -- To post to this group, send an email to sage-devel@google