[sage-devel] Re: What are *DIS*advantages of Sage compared to the 3 M's ?

On Jul 8, 9:06 am, William Stein wrote: > Hi, > > Since we're having this long thread comparing Sage to the Ma's, > somebody might find this interesting: > > http://www.larssono.com/musings/matmatpy/index.html > > it's supposed to be a comparison of writing the same > "numerical/scientific" cod

[sage-devel] Re: sage-4.1.rc1

On Wed, Jul 8, 2009 at 10:00 PM, William Stein wrote: > On Tue, Jul 7, 2009 at 11:09 PM, Robert Miller wrote: >> >> All known issues have been fixed, and all long doctests pass on >> sage.math (* -- see below), so there is a chance this could be >> sage-4.1. >> >> The source tarball: >> >> http://

[sage-devel] Re: sage-4.1.rc1

On Wed, Jul 8, 2009 at 10:24 PM, Craig Citro wrote: > >> What about http://trac.sagemath.org/sage_trac/ticket/6374?  There is a >> patch up from 3 weeks ago, craigcitro (I guess) considers it a >> blocker.  Is it a blocker? >> > > I think I labeled that a blocker simply so it got noticed and merge

[sage-devel] Re: sage-4.1.rc1

> What about http://trac.sagemath.org/sage_trac/ticket/6374?  There is a > patch up from 3 weeks ago, craigcitro (I guess) considers it a > blocker.  Is it a blocker? > I think I labeled that a blocker simply so it got noticed and merged in the next release cycle. It causes an annoying Heisenbug

[sage-devel] Re: sage-4.1.rc1

On Wed, Jul 8, 2009 at 10:00 PM, William Stein wrote: > On Tue, Jul 7, 2009 at 11:09 PM, Robert Miller wrote: >> >> All known issues have been fixed, and all long doctests pass on >> sage.math (* -- see below), so there is a chance this could be >> sage-4.1. >> >> The source tarball: >> >> http://

[sage-devel] Re: sage-4.1.rc1

On Tue, Jul 7, 2009 at 11:09 PM, Robert Miller wrote: > > All known issues have been fixed, and all long doctests pass on > sage.math (* -- see below), so there is a chance this could be > sage-4.1. > > The source tarball: > > http://sage.math.washington.edu/home/rlmill/release/sage-4.1.rc1.tar >

[sage-devel] 64-bit OS X Sage

Hi, In case anybody wants to try out 64-bit Sage on OS X, I posted a binary here: http://wstein.org/home/wstein/binaries/sage-4.1-OSX-10.5-Intel-64bit-i386-Darwin.dmg Sage almost builds out of the box on 64-bit OS X, except scipy and ratpoints both fail, and one has to install a fortran spk

[sage-devel] Re: sage-4.1.rc1

On Wed, Jul 8, 2009 at 4:09 PM, Robert Miller wrote: > > All known issues have been fixed, and all long doctests pass on > sage.math (* -- see below), so there is a chance this could be > sage-4.1. Here's an annoying issue with the documentation builder. In Sage 4.0.2, the following sequence of c

[sage-devel] Re: Sage fails to build on bsd.math

On Wed, Jul 8, 2009 at 8:16 PM, Prabhu Ramachandran wrote: > > On 07/09/09 01:18, William Stein wrote: >>> Many thanks and sorry for the bother!  There isn't an immediate hurry >>> though, I'm traveling the next couple of days. >> >> I'm 100% completely stumped by why Maxima won't build for you on

[sage-devel] Re: Sage fails to build on bsd.math

On 07/09/09 01:18, William Stein wrote: >> Many thanks and sorry for the bother! There isn't an immediate hurry >> though, I'm traveling the next couple of days. > > I'm 100% completely stumped by why Maxima won't build for you on > bsd.math. Sorry. Fortunately, i tried typing Oh, wow! Many t

[sage-devel] Re: simplify() blows up on ratio of binomial coefficients

On Jul 8, 2009, at 10:52 PM, William Stein wrote: > Short of that, have it do nothing for now, but add a > new command "simplify_maxima()" that uses Maxima to try to simplify an > expression. Alternatively, have simplify(algorithm="maxima"), which > would do the same thing. We could also hav

[sage-devel] Re: simplify() blows up on ratio of binomial coefficients

On Wed, Jul 8, 2009 at 7:43 PM, Dan Drake wrote: > I'm using 4.0.2 and get the following when I try to simplify a fraction > with symbolic binomial coefficients: > >  sage: t, n = var('t n') >  sage: expr = binomial((t+1)*(n+1), n+1)/binomial((t+1)*n, n) >  sage: expr.simplify() >  ERROR: An unexp

[sage-devel] simplify() blows up on ratio of binomial coefficients

I'm using 4.0.2 and get the following when I try to simplify a fraction with symbolic binomial coefficients: sage: t, n = var('t n') sage: expr = binomial((t+1)*(n+1), n+1)/binomial((t+1)*n, n) sage: expr.simplify() ERROR: An unexpected error occurred while tokenizing input The following

[sage-devel] Re: sage-4.1.rc1

On Jul 7, 11:09 pm, Robert Miller wrote: > All known issues have been fixed, and all long doctests pass on > sage.math (* -- see below), so there is a chance this could be > sage-4.1. On Intel Mac OS X 10.5, built fine -- upgraded from 4.1.alpha3 and also built from scratch. One doctest failure

[sage-devel] SPKG computing modular cohomology rings of finite p-groups

Dear Sage-Devel, I'd like to announce our Sage package for the computation of cohomology rings with coefficients in GF(p) for finite p-groups. The trac ticket is at http://trac.sagemath.org/sage_trac/ticket/6491 and the documentation at http://sage.math.washington.edu/home/SimonKing/Cohomology/

[sage-devel] Re: sage-4.1.rc1

I get the following two failures on an intel mac running 10.4.11: The following tests failed: sage -t "devel/sage/sage/parallel/decorate.py" sage -t "devel/sage/sage/plot/axes.py" Total time for all tests: 6229.1 seconds Its interesting (to me at least) that the tests took l

[sage-devel] Re: Quaternion Algebra on Q(i) and Cocompact/Uniform Lattices in SL2(Z[i])

The problem is about finding co-compact lattices in SL(2, C) by using quaternion algebras. The example we are working out now is based on the Quaternion algebra over Q(i) defined by the quadratic extension Q(i)[X]/(X^2 - 2) and additional (non-commutative) relation s^2 = 5. We need the algebra

[sage-devel] Re: Strange substitution order

On Jul 8, 10:09 pm, William Stein wrote: > On Wed, Jul 8, 2009 at 1:28 AM, Kwankyu wrote: > > > Hi, > > > I was surprised to see > > > sage: R.=QQ[] > > sage: g=x+y > > sage: g.subs({x:x+1,y:x*y}) > > x*y + x + y + 1 > > > So the order of substitution matters...unfortunately. > > > sage: g.subs

[sage-devel] Re: Is Sage failing on the last stage - or wishful thinking ??

On Mon, Jul 6, 2009 at 4:22 AM, Dr. David Kirkby wrote: > > I've built/installed the following packages from Sage 4.1.rc0 (in order > of building) on Solaris 10. (This is on my machine, not t2). > > It's failing as below. Is this the last stage of the building of Sage, > or is that wishful thinkin

Re: Fwd: [sage-devel] Re: Categories restart

I've updated my review patches (categories-framework-ref-dr.patch and the small categories-tensorial_rename-dr.patch). Unfortunately, I won't be able to work on this much more in the next month and a half. categories-framework is quite close to getting a positive review; the following are the main

[sage-devel] Re: sage installation

On Wed, Jul 8, 2009 at 3:31 PM, Ralf Hemmecke wrote: > > I've just downloaded > ftp://ftp.fu-berlin.de/unix/misc/sage/linux/32bit/sage-4.0.2-linux-Debian_GNU_Linux_5.0_lenny-i686-Linux.tar.gz > and typed as described in > ftp://ftp.fu-berlin.de/unix/misc/sage/linux/32bit/README.txt: > >  >./sage >

[sage-devel] sage installation

I've just downloaded ftp://ftp.fu-berlin.de/unix/misc/sage/linux/32bit/sage-4.0.2-linux-Debian_GNU_Linux_5.0_lenny-i686-Linux.tar.gz and typed as described in ftp://ftp.fu-berlin.de/unix/misc/sage/linux/32bit/README.txt: >./sage -

[sage-devel] Re: sage.math running out of disk space

Hi William, On 8 Jul., 21:37, William Stein wrote: ... > By the way, the right place to have such discussions is on the > sagemath-users mailing list: > > http://groups.google.com/group/sagemath-users I wasn't aware of that list. Thank you for fixing the issue! Cheers, Simon --~--~---

[sage-devel] Re: Categories restart

>        Hi Craig! > > So how is the baby? > Very overdue! But she'll hopefully be here soon. ;) >> Honestly, I don't recall -- what was our plan for patching this in >> the interim? Or did we not decide on anything because we got >> sidetracked talking about #5986? > > We definitely got sid

[sage-devel] Re: zodb

On Wed, Jul 8, 2009 at 2:04 PM, Ralf Hemmecke wrote: > > Just out of curiosity... > > On http://www.sagemath.org/doc/installation/introduction.html I've found > > Here is a list of some of the software included with Sage: >   ... >   ZODB: Zope Object Database > > What is this used for in Sage? >

[sage-devel] zodb

Just out of curiosity... On http://www.sagemath.org/doc/installation/introduction.html I've found Here is a list of some of the software included with Sage: ... ZODB: Zope Object Database What is this used for in Sage? Ralf --~--~-~--~~~---~--~~ To post t

[sage-devel] Re: latex issues

On Jul 8, 12:07 pm, William Stein wrote: > On Wed, Jul 8, 2009 at 11:35 AM, John H Palmieri > wrote: > > > There is some ugly LaTeX'ing going on in Sage: > > > In the notebook, try > > {{{ > > %latex > > $\sage{type(35))$ > > }}} > > In this case, it uses the string "" > > as text, but the < and

[sage-devel] Re: sage-4.1.rc1

On Jul 7, 11:30 pm, Minh Nguyen wrote: > Hi folks, > > > > The following tickets were merged in Sage 4.1.rc1: > > #5799: John Palmieri: jsMath, favicon, and logo for live, static, and > offline docs [Reviewed by Robert Miller, only merged > trac_5799_manifest.patch] For the record, I was the rev

[sage-devel] Re: notebook as a separate project

On Wed, Jul 8, 2009 at 10:05 AM, Ondrej Certik wrote: > > On Wed, Jul 8, 2009 at 9:41 AM, William Stein wrote: > [...] >>> Thanks for the feedback. So originally I thought that you and Mike >>> wanted to create a separate spin-off project for the notebook as a >>> standalone projectt with it's own

[sage-devel] Re: sage.math

On Wed, Jul 8, 2009 at 1:06 PM, William Stein wrote: > Hi, > > There is some job on sage.math that is somehow eating a huge amount of > disk space and rendering the box unusable (or soon will).  It's got to > be one of your jobs, since the output of top right now is as below. > Any ideas? > > Tom

[sage-devel] Re: [Cython] "object" keyword in cython

On Wed, Jul 8, 2009 at 12:37 PM, David Simmons-Duffin wrote: > I didn't realize that Sage could do Lie algebra manipulations.  What are the > pros and cons for writing an interface to LiE as opposed to simply extending > Sage's existing functionality? It depends on what you need to do. > Is LiE

[sage-devel] Re: Sage fails to build on bsd.math

On Tue, Jul 7, 2009 at 11:21 PM, Prabhu Ramachandran wrote: > > Hi William, > > On 07/07/09 23:43, William Stein wrote: >>> I feel embarrassed posting this (since others seem to be able to build >>> sage on bsd.math) but I've run into a problem building sage-4.0.2 on >>> bsd.math.  I've tried twic

[sage-devel] Re: sage.math running out of disk space

On Wed, Jul 8, 2009 at 10:52 AM, Simon King wrote: > > Hi! > > Two minutes ago I tried to build a package, that I planned to submitt > this evening, but it failed since there is absolutely no free byte > left on one partition of sage.math's disk: > $ df > Filesystem           1K-blocks      Used A

[sage-devel] Re: sage-4.1.rc1

On Wed, Jul 8, 2009 at 11:07 AM, Nicolas M. Thiery wrote: > >        Hi Robert! > > On Tue, Jul 07, 2009 at 11:09:12PM -0700, Robert Miller wrote: >> >> All known issues have been fixed, and all long doctests pass on >> sage.math (* -- see below), so there is a chance this could be >> sage-4.1. >

[sage-devel] Re: Substitute method for argument of derivative operator

Hi Burcin, On Wed, Jul 8, 2009 at 11:02 AM, Burcin Erocal wrote: > If you share your code creating an SFunction called 'integral', I can > produce patches for Sage and pynac to special case that function when > computing derivatives. (Much like what is done for Order in the pynac > code right now

[sage-devel] Re: ssh woes

On Wed, Jul 8, 2009 at 11:29 AM, Dr. David Kirkby wrote: > > Phaedon Sinis wrote: >> Hi all, >> >> I'm beginning my weekend of Sage asceticism, and as I attempt to login >> to the sage server after many months, I get the attached error message. >> Am I trying to ssh into the wrong server? >> >> >>

[sage-devel] Re: latex issues

On Wed, Jul 8, 2009 at 11:35 AM, John H Palmieri wrote: > > There is some ugly LaTeX'ing going on in Sage: > > In the notebook, try > {{{ > %latex > $\sage{type(35))$ > }}} > In this case, it uses the string "" > as text, but the < and > signs get converted into an upside-down > exclamation point

[sage-devel] latex issues

There is some ugly LaTeX'ing going on in Sage: In the notebook, try {{{ %latex $\sage{type(35))$ }}} In this case, it uses the string "" as text, but the < and > signs get converted into an upside-down exclamation point and question mark. Or click the "Typeset" button and try {{{ type(35) }}} In

[sage-devel] Re: ssh woes

Phaedon Sinis wrote: > Hi all, > > I'm beginning my weekend of Sage asceticism, and as I attempt to login > to the sage server after many months, I get the attached error message. > Am I trying to ssh into the wrong server? > > > Macintosh-7:~ phaedonsinis$ ssh sage.math.washington.edu >

[sage-devel] Re: Categories restart

Hi Craig! So how is the baby? On Wed, Jul 08, 2009 at 11:03:21AM -0700, Craig Citro wrote: > > > What's the status on this one? I though that the bottom line of the > > discussion at SD15 for this one (not to be mixed up with #5986) was that: > > > >  - Apart from importing the cPic

[sage-devel] Re: sage-4.1.rc1

Hi Robert! On Tue, Jul 07, 2009 at 11:09:12PM -0700, Robert Miller wrote: > > All known issues have been fixed, and all long doctests pass on > sage.math (* -- see below), so there is a chance this could be > sage-4.1. Any chance to include #6478? It's a one line change in the sage-comb

[sage-devel] Re: Categories restart

> What's the status on this one? I though that the bottom line of the > discussion at SD15 for this one (not to be mixed up with #5986) was that: > >  - Apart from importing the cPickle sources into the Sage tree, the >   patch was essentially trivial (a 5 lines change to the cPickle >   code) and

Re: Fwd: [sage-devel] Re: Categories restart

Hi David (K), On Wed, Jul 08, 2009 at 12:41:40PM +0200, David R. Kohel wrote: > I think the sage-combinat build should help. During Sage Days 16 in > Barcelona I tried naively applying the one patch you or William asked > me to review but it failed to apply. Hmm, did you receive the

[sage-devel] sage.math running out of disk space

Hi! Two minutes ago I tried to build a package, that I planned to submitt this evening, but it failed since there is absolutely no free byte left on one partition of sage.math's disk: $ df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 71117180 67538052

[sage-devel] Re: notebook as a separate project

On Wed, Jul 8, 2009 at 9:41 AM, William Stein wrote: [...] >> Thanks for the feedback. So originally I thought that you and Mike >> wanted to create a separate spin-off project for the notebook as a >> standalone projectt with it's own webapage, bugs, etc. > > We do.  I just think that time isn't

[sage-devel] Re: What are *DIS*advantages of Sage compared to the 3 M's ?

William Stein wrote: > Hi, > > Since we're having this long thread comparing Sage to the Ma's, > somebody might find this interesting: > > http://www.larssono.com/musings/matmatpy/index.html > > it's supposed to be a comparison of writing the same > "numerical/scientific" code using Mathematica

[sage-devel] Re: vtk fails to build on Mac

On Wed, Jul 8, 2009 at 12:20 AM, Prabhu Ramachandran wrote: > > On 07/08/09 10:56, Ondrej Certik wrote: >>> I'll rebuild VTK on my mac tonight and check how that works. >> >> Many thanks for the update and for working on it. If it cannot be used >> offscreen, then I think it's a showstopper, that

[sage-devel] Re: What are *DIS*advantages of Sage compared to the 3 M's ?

Yes, that mathematica code could be made much more concise. Its definitely not a fair comparison. Also, one reason its so long is that the graphical output has been massaged to look like matlab/ matplotlib. I think a more mathematica-native display wouldn't need so many options changed. -Marsh

[sage-devel] Re: What are *DIS*advantages of Sage compared to the 3 M's ?

Hi, Since we're having this long thread comparing Sage to the Ma's, somebody might find this interesting: http://www.larssono.com/musings/matmatpy/index.html it's supposed to be a comparison of writing the same "numerical/scientific" code using Mathematica, Matlab, and Python. It was recently p

[sage-devel] Re: notebook as a separate project

On Tue, Jul 7, 2009 at 10:14 PM, Ondrej Certik wrote: > > On Tue, Jul 7, 2009 at 6:48 PM, William Stein wrote: >> >> On Sun, Jul 5, 2009 at 9:15 PM, Ondrej Certik wrote: >>> >>> Hi, >>> >>> so let's start the notebook as a separate project? I would of course >>> prefer if Mike could do that, but i

[sage-devel] Re: Substitute method for argument of derivative operator

Hi Burcin, On Wed, Jul 8, 2009 at 11:02 AM, Burcin Erocal wrote: >> (2)  New D derivative operator does not know how to act >> on symbolic integration ( #6465 ). So right now it is not >> possible to compute  "S.diff(epsilon)" >> >> I have spent last two days in trying to fix this. I believe >> t

[sage-devel] Re: Cython equivalents of *

Good pick !! ;-) It seems ok now that I have changed the function's definition.. I still have one other bug to solve (http://groups.google.com/group/sage- devel/browse_thread/thread/eb507cfad11d9167) before the linking process ( I'm a bit scared of that one ) and then I will now if this whole cod

[sage-devel] Re: firefox 3.5 and jsmath

On 2009-Jul-01 01:21:56 -0700, Jason Grout wrote: > Is anyone else seeing the fonts injsmathin firefox 3.5 messed up? To > check this, go to > http://www.math.union.edu/~dpvc/jsMath/symbols/cmmi10.html. This is now http://trac.sagemath.org/sage_trac/ticket/6483 Please test the proposed workar

[sage-devel] Re: Cython equivalents of *

On Wednesday 08 July 2009, Nathann Cohen wrote: > Thanks !!! > > But sadly, now I get this error : > > si.loadProblem(matrix[0], col_lb, col_ub, objective, row_lb, row_ub); > ^ > > > /user/ncohen/home/sage/EXAMPLEOSI.

[sage-devel] Re: Error building sage (sqlite problem)

On Jul 8, 3:49 pm, Christian Weiss wrote: > IT WORKS! I have downloaded your linked file and: now it works! Hi, could you tell me (private mail or on the list here) what you did the first time? Was it just a broken download or the wrong file? Ideas for improvment? Harald (I work on the website

[sage-devel] Re: What are *DIS*advantages of Sage compared to the 3 M's

On Wed, Jul 8, 2009 at 12:42 AM, wrote: > On 2009-Jul-06 21:03:20 -0700, William Stein wrote: >>> * There is not a support line IT Services can ring up in the event of >>> difficulties installing it on University systems. >> >>But note that there is a mailing list and irc chat room that IT >>Ser

[sage-devel] Re: Integration in new Sage symbolics

Hi, On Wed, Jul 8, 2009 at 10:34 AM, Burcin Erocal wrote: > > On Mon, 6 Jul 2009 23:56:00 -0300 > Golam Mortuza Hossain wrote: > >> As you suggested, I am working with a prototype symbolic integration >> class  for hooking up my integration code using its _eval_ method.  I >> could expand the cl

[sage-devel] Re: Python Lists and C arrays

Thank you !!! Nathann On Jul 8, 3:46 pm, William Stein wrote: > On Wed, Jul 8, 2009 at 2:30 AM, Nathann Cohen wrote: > > > Hello !!! > > > Would any of you know how to convert a Python list to a C array of > > double or int ? > > > I saw on Google plenty of people had the same problem but was n

[sage-devel] Re: Cython equivalents of *

Thanks !!! But sadly, now I get this error : si.loadProblem(matrix[0], col_lb, col_ub, objective, row_lb, row_ub); ^ /user/ncohen/home/sage/EXAMPLEOSI.pyx:102:21: Cannot assign type 'c_CoinPackedMatrix' to 'c_CoinP

[sage-devel] Re: vtk fails to build on Mac

On Jul 7, 2009, at 12:33 PM, Prabhu Ramachandran wrote: > > > The one problem I noticed with 1 above is that off screen support on > OS > X still needs to create an actual window. I will have to recheck on > this with a recent VTK build though. > This doesn't surprise me. Mesa is a software r

[sage-devel] Re: Cython equivalents of *

On Wednesday 08 July 2009, Nathann Cohen wrote: > Hello !!! > > When dealing with pointers in Cython, I had to learn the equivalent to > the & in C was cython.address(). What is the reverse of this > function ? What is the equivalent of * ? You can also use & in Cython, I do it all the time. > I

[sage-devel] Cython equivalents of *

Hello !!! When dealing with pointers in Cython, I had to learn the equivalent to the & in C was cython.address(). What is the reverse of this function ? What is the equivalent of * ? I was not able to find this on google but looking for characters like & and * is a bit tricky.. ;-) Nathann --~-

[sage-devel] Re: Error building sage (sqlite problem)

Hi Christian, On Wed, Jul 8, 2009 at 11:54 PM, William Stein wrote: > > On Wed, Jul 8, 2009 at 6:49 AM, Christian Weiss wrote: >> Hello, >> >> IT WORKS! I have downloaded your linked file and: now it works! >> >> Thanks a lot! >> >> Are you any longer interested interested in the log-file of t

[sage-devel] Re: Substitute method for argument of derivative operator

On Wed, 8 Jul 2009 00:18:38 -0300 Golam Mortuza Hossain wrote: > > Hi, > > On Tue, Jul 7, 2009 at 10:29 PM, William Stein > wrote: > >> In new symbolics, if I do the same I get > >> > >> sage: g > >> D[0](f)(x) > >> sage: g.subs_expr(f(x)==f(x)+df(x)) > >> D[0](f)(x) > >> - >

[sage-devel] t2 going down for maintenance shortly

The server 't2' is going to go off-line soon - I've checked there is nobody using it now. It will be down for part of the day. The intension is to perform a major upgrade which will 1) Use a later version of Solaris 2) Apply any patches needed to that (especially for security) 3) Change to boot

[sage-devel] Re: Error building sage (sqlite problem)

On Wed, Jul 8, 2009 at 6:49 AM, Christian Weiss wrote: > > > > On 8 Jul., 15:23, William Stein wrote: >> On Wed, Jul 8, 2009 at 6:14 AM, Christian Weiss wrote: >> >> > Hello, >> >> > I tried to build a sage server on a SLES11-System. But the >> > installation was aborted with the following error

[sage-devel] Re: sage-4.1.rc1

Robert Miller wrote: > All known issues have been fixed, and all long doctests pass on > sage.math (* -- see below), so there is a chance this could be > sage-4.1. > > The source tarball: > > http://sage.math.washington.edu/home/rlmill/release/sage-4.1.rc1.tar > > sage.math binary: > > http://

[sage-devel] Re: What are *DIS*advantages of Sage compared to the 3 M's ?

On Wed, Jul 8, 2009 at 12:59 AM, Dr. David Kirkby wrote: >> I definitely see your point. >> > > Good. > > To be fair, I think confidentiality is more likely to be an issue with > Wireshark than Sage, but I can still see cases where confidentiality > could be an issue with Sage. Confidentially alr

[sage-devel] Re: Error building sage (sqlite problem)

On 8 Jul., 15:23, William Stein wrote: > On Wed, Jul 8, 2009 at 6:14 AM, Christian Weiss wrote: > > > Hello, > > > I tried to build a sage server on a SLES11-System. But the > > installation was aborted with the following error message: > > > --- > MESSAGE>--

[sage-devel] Re: Python Lists and C arrays

On Wed, Jul 8, 2009 at 2:30 AM, Nathann Cohen wrote: > > Hello !!! > > Would any of you know how to convert a Python list to a C array of > double or int ? > > I saw on Google plenty of people had the same problem but was not able > to find a clear answer... Thank you !! > Here is a complete exam

[sage-devel] Re: Integration in new Sage symbolics

On Wed, Jul 8, 2009 at 6:34 AM, Burcin Erocal wrote: > > On Mon, 6 Jul 2009 23:56:00 -0300 > Golam Mortuza Hossain wrote: > >> >> Hi, >> >> On Tue, Jun 23, 2009 at 12:55 PM, Burcin Erocal >> wrote: >> >> > I plan to move the integrate() and sum() (after #3587) constructs >> >> > to be symbolic fu

[sage-devel] Cython and C++, Classes and subclasses

Hello ! I have a library with a C++ function I try to interface with SAGE, and two classes are defined : CoinPackedVector and CoinPackedVectorBase I only use CoinPackedVector, but one of its functions is defined in the header files as appendRow( CoinPackedVectorBase ) CoinPackedVectorBase bein

[sage-devel] Re: Integration in new Sage symbolics

On Mon, 6 Jul 2009 23:56:00 -0300 Golam Mortuza Hossain wrote: > > Hi, > > On Tue, Jun 23, 2009 at 12:55 PM, Burcin Erocal > wrote: > >> > I plan to move the integrate() and sum() (after #3587) constructs > >> > to be symbolic functions (i.e., subclasses of SFunction from > >> > sage.symbolic.

[sage-devel] Re: Error building sage (sqlite problem)

Hi Christian, On Wed, Jul 8, 2009 at 11:14 PM, Christian Weiss wrote: > > Hello, > > I tried to build a sage server on a SLES11-System. But the > installation was aborted with the following error message: > make[1]: *** [installed/sqlite-3.5.3.p4] Fehler 1 > make[1]: Leaving directory `/home/c

[sage-devel] Re: Error building sage (sqlite problem)

On Wed, Jul 8, 2009 at 6:14 AM, Christian Weiss wrote: > > Hello, > > I tried to build a sage server on a SLES11-System. But the > installation was aborted with the following error message: > > > --- MESSAGE>--- > > Finished extraction >

[sage-devel] Error building sage (sqlite problem)

Hello, I tried to build a sage server on a SLES11-System. But the installation was aborted with the following error message: -- Finished extraction Host system uname -a: Linux algpa

[sage-devel] Re: Strange substitution order

On Wed, Jul 8, 2009 at 5:58 AM, Martin Albrecht wrote: > >> I mean the substitution y:x*y is applied first in the following >> >> sage: R.=QQ[] >> sage: g=x+y >> sage: g.subs({x:x+1,y:x*y}) >> x*y + x + y + 1 >> >> where I think applying x:x+1 first seems intuitive if order ever >> should be signi

[sage-devel] Re: Strange substitution order

On Wed, Jul 8, 2009 at 1:28 AM, Kwankyu wrote: > > Hi, > > I was surprised to see > > sage: R.=QQ[] > sage: g=x+y > sage: g.subs({x:x+1,y:x*y}) > x*y + x + y + 1 > > So the order of substitution matters...unfortunately. > > sage: g.subs({x:x+1}).subs({y:x*y}) > x*y + x + 1 > sage: g.subs({y:x*y}).

[sage-devel] Re: Strange substitution order

> I mean the substitution y:x*y is applied first in the following > > sage: R.=QQ[] > sage: g=x+y > sage: g.subs({x:x+1,y:x*y}) > x*y + x + y + 1 > > where I think applying x:x+1 first seems intuitive if order ever > should be significant. I see, this indeed is a bug (the order depends on the has

[sage-devel] Re: Strange substitution order

On Jul 8, 6:51 pm, Martin Albrecht wrote: > On Wednesday 08 July 2009, Kwankyu wrote: > > > > > Hi, > > > I was surprised to see > > > sage: R.=QQ[] > > sage: g=x+y > > sage: g.subs({x:x+1,y:x*y}) > > x*y + x + y + 1 > > > So the order of substitution matters...unfortunately. > > > sage: g.subs(

[sage-devel] Re: firefox 3.5 and jsmath

well, just go into options, uncheck "auto select fonts" or something like that and on right choose "image fonts", when it will be fixed return back to tex fonts, no need to remove them I think On Wed, Jul 8, 2009 at 4:59 AM, Bo wrote: > > Me too. It has made me so much trouble. I guess I can only

[sage-devel] Re: Strange substitution order

On Wednesday 08 July 2009, Kwankyu wrote: > Hi, > > I was surprised to see > > sage: R.=QQ[] > sage: g=x+y > sage: g.subs({x:x+1,y:x*y}) > x*y + x + y + 1 > > So the order of substitution matters...unfortunately. > > sage: g.subs({x:x+1}).subs({y:x*y}) > x*y + x + 1 > sage: g.subs({y:x*y}).subs({x

[sage-devel] Python Lists and C arrays

Hello !!! Would any of you know how to convert a Python list to a C array of double or int ? I saw on Google plenty of people had the same problem but was not able to find a clear answer... Thank you !! Nathann --~--~-~--~~~---~--~~ To post to this group, send em

[sage-devel] Re: C++ function argument of type double * with Cython

Do not mind, it is fixed and the mistake came from another part of the code On Jul 8, 10:53 am, Nathann Cohen wrote: > Hello everybody !!! > > I have a C++ function whose type is : > void loadProblem(double * , double * , double*, double*, double*) > Each double * is meant to be a list of double

[sage-devel] C++ function argument of type double * with Cython

Hello everybody !!! I have a C++ function whose type is : void loadProblem(double * , double * , double*, double*, double*) Each double * is meant to be a list of double whose length I do not know when the function is defined. I would like to call it from Cython though I do not know how. For the

[sage-devel] Strange substitution order

Hi, I was surprised to see sage: R.=QQ[] sage: g=x+y sage: g.subs({x:x+1,y:x*y}) x*y + x + y + 1 So the order of substitution matters...unfortunately. sage: g.subs({x:x+1}).subs({y:x*y}) x*y + x + 1 sage: g.subs({y:x*y}).subs({x:x+1}) x*y + x + y + 1 So the order seems to be from right to lef

[sage-devel] Re: What are *DIS*advantages of Sage compared to the 3 M's ?

William Stein wrote: > On Tue, Jul 7, 2009 at 12:45 AM, Dr. David > Kirkby wrote: > >>> ould like phone support. Is there anybody here who would help?" >>> >> There might be advantages to actually offing a 'premier service' with >> guaranteed response times, confidentiality etc. The fact

[sage-devel] Re: What are *DIS*advantages of Sage compared to the 3 M's

On 2009-Jul-06 21:03:20 -0700, William Stein wrote: >> * There is not a support line IT Services can ring up in the event of >> difficulties installing it on University systems. > >But note that there is a mailing list and irc chat room that IT >Services can get help from. > >It might also be wort

[sage-devel] Re: #6343: Adds SageObject.check() generic testing framework

Hi Nick, On Wed, Jun 24, 2009 at 09:12:54AM -0700, Nick Alexander wrote: > > Test(obj) returns something that provides all kinds of functionality > > and methods for testing said object. This can call certain _ methods > > on obj. > > +1 to this, -1 to lazy attributes, properties, etc.

[sage-devel] Re: [sage-combinat-devel] Re: Categories

Dear William, On Tue, Jul 07, 2009 at 11:33:11AM -0700, William Stein wrote: > Thanks. I'll think of you as the "release manager" for putting > together the Sage library code that goes from sage-4.1.rc0 to > sagecombinat-4.1.rc0. This could mean that you provide a command I > can type t