Re: [sage-support] Cannot factor 71281426948143699070565 with ecm.factor()

2023-01-29 Thread Bill Witzke
dim...@gmail.com schrieb am Sonntag, 29. Januar 2023 um 20:50:29 UTC+1: Basically, the default B1 value is too large in this case. sage: ecm.factor(71281426948143699070565,B1=200) # almost instant [5, 53, 337, 1873, 2833, 7507, 20037791] sage: ecm.factor(71281426948143699070565,B1=2000) # ta

[sage-support] Cannot factor 71281426948143699070565 with ecm.factor()

2023-01-29 Thread Bill Witzke
Hi, I have a hard time factoring the number 71281426948143699070565 using ecm.factor(). No result is given after a few minutes runtime. Though, plain factor() happily factors the number. Factoring smaller or larger numbers work fine with ecm.factor(), too. Just the single given number see

[sage-support] Computing discrete logs in polynomial rings modulo another polynomial over non-prime-power

2017-04-08 Thread 'Bill Cox' via sage-support
billion? I can get the discrete log in the circle group for prime powers like this: sage: F. = FiniteField(23^2, modulus=x^2 + 1) sage: F. = FiniteField(23^2, modulus=x^2 + 1) sage: aliceSecret = (1 + a)^13 sage: sage: aliceSecret.log(1 + a) 13 Thanks, Bill -- You received this message because you

Re: [sage-support] Plotting in Julia notebook in Cloud.Sagemath.com

2016-05-27 Thread 'Bill Hart' via sage-support
t; Go to https://cloud.sagemath.com/help and click on the link "support > mailing list", which links to > >https://groups.google.com/forum/?fromgroups#!forum/sage-cloud > > That said, I'm cc'ing Bill Hart, since he uses Julia a lot and has > used iJulia. I d

[sage-support] Re: Building Sage from source fails on OS X with NFS-mounted home directory

2011-11-16 Thread Bill Janssen
Python bug-tracker issue. Maybe I'll just try that and report back. Bill -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://grou

[sage-support] Re: Building Sage from source fails on OS X with NFS-mounted home directory

2011-11-16 Thread Bill Janssen
On Nov 16, 8:14 am, William Stein wrote: > On Wednesday, November 16, 2011, Bill Janssen > wrote: > > > Could I really be the first user in this vast assemblage to have an > > NFS-mounted home directory? > > No, many people do, eg all users of the sage.math devel clust

[sage-support] Re: Building Sage from source fails on OS X with NFS-mounted home directory

2011-11-16 Thread Bill Janssen
On Nov 15, 2:34 pm, Maarten Derickx wrote: > Ah, then this issue will hopefully be fixed with changing the python in > sage to 2.7. What's the ETA on that? Is there a patch I could apply in the meantime? -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from

[sage-support] Re: Building Sage from source fails on OS X with NFS-mounted home directory

2011-11-16 Thread Bill Janssen
Could I really be the first user in this vast assemblage to have an NFS-mounted home directory? I tried building and installing sage with a local account, then just using it from my network account (which is the account I generally use). Here's the error from *that*: /tilde/janssen 34 % /local/s

[sage-support] Re: Building Sage from source fails on OS X with NFS-mounted home directory

2011-11-15 Thread Bill Janssen
This is a Python bug. Fixed in late March 2010. http://bugs.python.org/issue7512 On Nov 14, 4:56 pm, Bill Janssen wrote: > "make test" fails as well.  This is Sage 4.7.2 on OS X 10.5. > > Bill > > On Nov 14, 4:44 pm, Bill Janssen wrote: > > > > > > &

[sage-support] Re: Building Sage from source fails on OS X with NFS-mounted home directory

2011-11-14 Thread Bill Janssen
"make test" fails as well. This is Sage 4.7.2 on OS X 10.5. Bill On Nov 14, 4:44 pm, Bill Janssen wrote: > I just tried building Sage from source on a PARC machine.  On this > machine, my home directory is an NFS-mounted share.  The build fails > with a shower of me

[sage-support] Re: Emacs support for visiting spkg files?

2011-11-14 Thread Bill Janssen
I see that in John's formulation, there's also a space for a "magic number" for the file. Maybe that could be used to switch between bunzip2 and tar, versus just tar. On Nov 12, 6:20 pm, Michael Orlitzky wrote: > On 11/12/2011 08:47 PM, Bill Janssen wrote: > > &g

[sage-support] Building Sage from source fails on OS X with NFS-mounted home directory

2011-11-14 Thread Bill Janssen
I just tried building Sage from source on a PARC machine. On this machine, my home directory is an NFS-mounted share. The build fails with a shower of messages of this form: Build finished. The built documents can be found in /local/sage-4.7.2/ devel/sage/doc/output/html/en/numerical_sage Trace

[sage-support] Re: Can't install experimental packages

2011-11-14 Thread Bill Janssen
Thanks for the pointer. Looks like lots of good folk are already working on it. Bill On Nov 14, 10:23 am, William Stein wrote: > On 11/14/11 10:18 AM, Bill Janssen wrote: > > > > > > > > > This is because I run Privoxy on my machine as an HTTP proxy, *and* >

[sage-support] Re: Can't install experimental packages

2011-11-14 Thread Bill Janssen
might consider incorporating the patch at http://bugs.python.org/issue8883 in the python-2.6.4 spkg. On Nov 14, 10:18 am, Bill Janssen wrote: > This is because I run Privoxy on my machine as an HTTP proxy, *and* > specify proxy exceptions.  If I turn off the proxying entirely (in > Syst

[sage-support] Re: Can't install experimental packages

2011-11-14 Thread Bill Janssen
Yes, the user (me) has write permission. On Nov 14, 10:16 am, John H Palmieri wrote: > On Monday, November 14, 2011 10:05:44 AM UTC-8, William wrote: > > > Does the user doing "sage -optional" have write permission to the > > directory /local/sage-4.7.2/tmp/ ? > > > I just opened a ticket for thi

[sage-support] Re: Can't install experimental packages

2011-11-14 Thread Bill Janssen
ing the version of Python used with Sage would be a major undertaking... On Nov 14, 9:34 am, Bill Janssen wrote: > % sage -python -c "import urllib; print > urllib.urlretrieve('http://www.sagemath.org//packages')" > Traceback (most recent call last): >   File &qu

[sage-support] Re: Can't install experimental packages

2011-11-14 Thread Bill Janssen
", line 1379, in proxy_bypass_macosx_sysconf mask = int(m.group(2)[1:]) TypeError: 'NoneType' object is unsubscriptable % /usr/bin/python -c "import urllib; print urllib.urlretrieve('http:// www.sagemath.org//packages')" ('/var/folders/Rg/Rg1suhnjFdSFgRrn7ZA-jk+++TM

[sage-support] Re: Can't install experimental packages

2011-11-14 Thread Bill Janssen
Maybe this is because I built the install under /tmp, then moved it to /local afterwards? More likely, your machine is configured in some way that allows this, and mine is not. On Nov 14, 9:22 am, William Stein wrote: > On 11/14/11 9:02 AM, Bill Janssen wrote: > > > > > >

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-14 Thread Bill Janssen
he options that actually work on OS X, as well as other platforms, are somewhat limited. There's probably room to expand the pil test suite, too. Where would I find that code? On Nov 14, 8:22 am, kcrisman wrote: > Bill, your expertise would clearly be really helpful > onhttp://trac.s

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-14 Thread Bill Janssen
it has to work with at compile time, not run time. Bill On Nov 13, 5:23 pm, William Stein wrote: > On Sun, Nov 13, 2011 at 1:43 PM, Bill Janssen wrote: > > Ah, I see.  Yes, libjpeg is built from source on the build machines, > > but only temporarily.  It could be "instal

[sage-support] Can't install experimental packages

2011-11-14 Thread Bill Janssen
I'm using Sage 4.7.2, built from source, on OS X 10.5 Leopard. When I try to list the experimental packages, or install one of them, I get the following traceback: % sage -optional Using SAGE Server http://www.sagemath.org//packages http://www.sagemath.org//packages/optional/list --> /local/sage-

[sage-support] Re: Emacs support for visiting spkg files?

2011-11-13 Thread Bill Janssen
Is there any particular reason this isn't part of sage.el already? On Nov 12, 6:20 pm, Michael Orlitzky wrote: > On 11/12/2011 08:47 PM, Bill Janssen wrote: > > > You can visit a .tar.bz2 file with GNU Emacs 23, and it works.  If I > > rename the .spkg file to .tar.bz2,

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-13 Thread Bill Janssen
On Nov 13, 1:23 pm, Bill Janssen wrote: > This means that any system > program (like Preview.app, which Imaging-1.1.7 uses for im.show()), > will fail if started from inside Sage, as the newer Sage-supplied > dylibs will be different from the (usually obsolete) versions the > s

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-13 Thread Bill Janssen
ot familiar yet with the spkg infrastructure, so perhaps it's impossible to fit a step like this into the Sage build process. On Nov 13, 1:31 pm, William Stein wrote: > On Sun, Nov 13, 2011 at 1:23 PM, Bill Janssen wrote: > > My suggestion doesn't require binary build machines

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-13 Thread Bill Janssen
are dynamically linked against. Unless the image processing libraries are statically linked where needed in Sage, in which case it works fine. On Nov 13, 12:58 pm, William Stein wrote: > On Sun, Nov 13, 2011 at 12:47 PM, Bill Janssen wrote: > > What's the objection to linking PIL st

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-13 Thread Bill Janssen
What's the objection to linking PIL statically against libjpeg? It would remove a lot of uncertainty in the build. PIL seems to be the only place libjpeg is used. On Nov 13, 12:44 pm, William Stein wrote: > On Sun, Nov 13, 2011 at 12:10 PM, Bill Janssen wrote: > > Yes, I thin

[sage-support] Re: Sage 4.7 includes PIL 1.1.6, with broken fromarray() method?

2011-11-13 Thread Bill Janssen
n Nov 12, 2:58 pm, Bill Janssen wrote: > I'm still trying to sort out the image processing capabilities of > Sage.  One of the things my download of 4.7 has is PIL 1.1.6, which > seems to have a broken Image.fromarray method.  For instance, > > Image.fromarray(scipy.lena()).sh

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-13 Thread Bill Janssen
DYLD_FALLBACK_LIBRARY_PATH for this purpose? Bill On Nov 13, 11:50 am, "Justin C. Walker" wrote: > On Nov 13, 2011, at 09:59 , Bill Janssen wrote: > > > You're implying that 4.7.1 or 4.7.2 fix this issue in some way?  I > > don't see anything in the release

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-13 Thread Bill Janssen
You're implying that 4.7.1 or 4.7.2 fix this issue in some way? I don't see anything in the release notes which would cause me to suspect that. Bill On Nov 12, 6:52 pm, kcrisman wrote: > On Nov 12, 6:43 pm, "Justin C. Walker" wrote: > > > On Nov 11, 201

[sage-support] Re: Emacs support for visiting spkg files?

2011-11-12 Thread Bill Janssen
Looks good, John, thanks. Bill On Nov 12, 6:08 pm, John H Palmieri wrote: > On Saturday, November 12, 2011 5:47:38 PM UTC-8, Bill Janssen wrote: > > > You can visit a .tar.bz2 file with GNU Emacs 23, and it works.  If I > > rename the .spkg file to .tar.bz2, it works.  But

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-12 Thread Bill Janssen
Oh, sure, I could build from source. But I'd rather see the binary distribution fixed. On Nov 12, 3:43 pm, "Justin C. Walker" wrote: > On Nov 11, 2011, at 13:27 , Bill Janssen wrote: > > > I've downloaded and installed sage on my OS X 10.5 (Leopard) Mac Pro.

[sage-support] Re: Emacs support for visiting spkg files?

2011-11-12 Thread Bill Janssen
You can visit a .tar.bz2 file with GNU Emacs 23, and it works. If I rename the .spkg file to .tar.bz2, it works. But I don't see how to tell Emacs that .spkg == .tar.bz2... Bill On Nov 12, 3:45 pm, "Justin C. Walker" wrote: > On Nov 12, 2011, at 15:34 , Bill Janssen wrote: &

[sage-support] Emacs support for visiting spkg files?

2011-11-12 Thread Bill Janssen
As spkg files are simply tar files, possibly compressed, it would be nice to use the tar-mode in Emacs to visit them. Any way to do that? -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com

[sage-support] Sage 4.7 includes PIL 1.1.6, with broken fromarray() method?

2011-11-12 Thread Bill Janssen
I'm still trying to sort out the image processing capabilities of Sage. One of the things my download of 4.7 has is PIL 1.1.6, which seems to have a broken Image.fromarray method. For instance, Image.fromarray(scipy.lena()).show() gives a very odd-looking cubist interpretation of lena, indeed.

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-12 Thread Bill Janssen
That 7344 is quite a complicated ticket. I fixed my immediate problem by creating /opt/local/, downloading jpegsrc.v8c.tar, configuring it, building it, and installing it where Sage expects to find it. Thousands wouldn't have :-). Bill On Nov 11, 7:31 pm, kcrisman wrote: > On Nov 11,

[sage-support] Re: Sage 4.7 on OS X Leopard

2011-11-12 Thread Bill Janssen
with UpLib. Bill On Nov 12, 10:53 am, William Stein wrote: > On Sat, Nov 12, 2011 at 10:39 AM, Daniel Dvorkin > > wrote: > > On Nov 11, 2:27 pm, Bill Janssen wrote: > >> It seems to me that if you're going to depend on a library that's > >> installed

[sage-support] Sage 4.7 on OS X Leopard

2011-11-11 Thread Bill Janssen
reate /opt/local/lib) you should instead package it with and in the Sage tree. Bill /local/sage-4.7 57 % ./sage -- | Sage Version 4.7, Release Date: 2011-05-23 | | Type notebook() for the GUI, and licen

Re: [sage-support] Re: Trouble with sage installation on Ubuntu 11.04

2011-06-06 Thread Bill
Ubuntu 11.04? Could the same fix be expanded so that compiling would succeed on Mint as well? Bill Odefey -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this

[sage-support] Re: Install Problem: "compiled component has a bug?"

2010-11-13 Thread bill
Changing the permissions in the /usr/local/ path so that all users could write seems to have straightened out the build problem. I sudo chmod'ed +w's and then after the build, returned the permissions to 755's. On Nov 11, 10:30 pm, bill wrote: > Howdy all, > > Ste

[sage-support] Install Problem: "compiled component has a bug?"

2010-11-12 Thread bill
displays: Sage version 4.6 ... Step 5: continues "The Sage install tree may have moved (from /scratch/wstein/build/sage-4.6 to /home/bill/sage-4.6- linux-64...) Changing various hadcoded paths (please wait at most a few minutes) Do not interrupt this. Done resetting paths ( ;;; many minutes

[sage-support] Graph Theory

2010-10-16 Thread Bill
When I run g4=Graph({'H':['G','L','L','D'],'L':['G','D']}) g4.eulerian_circuit() I get the error message Traceback (click to the left of this block for traceback) ... RuntimeError: Vertex (L) not in the graph. This seems to be an error in the routine. -- To post to this group, send email to

[sage-support] Re: quiery about polynomial rings

2010-08-19 Thread Bill Hart
On 19 Aug, 18:52, kcrisman wrote: > > I wonder if there is a reason for this. Do the additions break the > > lexeme or is there a syntactic ambiguity... > > William or Mike H. would know for sure, but I believe the additions > are all invalid Python which happen to be convenient mathematics :)

[sage-support] Re: quiery about polynomial rings

2010-08-19 Thread Bill Hart
On 19 Aug, 18:19, kcrisman wrote: > On Aug 19, 12:48 pm, Bill Hart wrote: > > > I'm not sure if that is what he means. He is using Sage to load > > the .py file, not python. > > Exactly.  Sage interprets .py files as pure Python, I believe.  But it > turns .sage

[sage-support] Re: quiery about polynomial rings

2010-08-19 Thread Bill Hart
ble. Anyhow, I wasn't able to help him with his question. Apparently importing all these things didn't help unless he is doing something else wrong. Bill. On 19 Aug, 17:00, kcrisman wrote: > Dear Andrew, > > It turns out that > > R.=PolynomialRing(GF(5),2,"z

[sage-support] Re: MPIR 1.3.0 released (at last)

2010-01-30 Thread Bill Hart
found, in future. Bill. 2010/1/28 Bill Hart : > Hi all, > > it is with pleasure that we (finally) officially release MPIR 1.3.0. > It is available at our website http://www.mpir.org/ > > Please note the following important things: > > * I have been unable to get any tes

Re: [sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-29 Thread Bill Hart
all users of t2 globally, I believe MPIR will work just fine on that machine. Bill. 2010/1/29 Bill Hart : > OK, the problem is as follows. For very straightforward C programs, no > problems occur on t2 because the compiler emits inline code for > everything. However, once the program bec

Re: [sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-29 Thread Bill Hart
test case that exhibits this failure would be difficult. I've no idea what the solution to the problem is. Back to the sparc expert for this one! Bill. 2010/1/28 Bill Hart : > One sensible solution would seem to be to set > LD_LIBRARY_PATH_64=/usr/local/gcc-4.4.1-sun-linker/lib/spar

Re: [sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
it doesn't matter whether at the beginning or end) and this fixes the problems on t2. Shouldn't this be done globally for all users? Bill. 2010/1/28 Bill Hart : > 2010/1/28 Dr. David Kirkby : >> Bill Hart wrote: >>> >>> 2010/1/28 Dr. David Kirkby : >>>> &

Re: [sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
2010/1/28 Dr. David Kirkby : > Bill Hart wrote: >> >> 2010/1/28 Dr. David Kirkby : >>> >>> The problem is that 64-bit libraries should never be in /usr/local/lib. >>> Instead they should be in /usr/local/lib/sparcv9. >> >> I am not installing M

[sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
could easily turn out to be wrong about this. Bill. 2010/1/28 Bill Hart : > On t2 all the tests fail, complaining of the same issue. If I actually > go into the tests directory and run one of the test scripts directly, > here is what it does: > > ./t-modlinv > ld.so.1: t-modlinv: fa

[sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
As far as I know that is only necessary on OS X. Anyhow, I tried it just in case, and no change. Thanks for the suggestion though. Bill. 2010/1/28 Craig Citro : >> So it can't find libmpir.so.8. But I don't see why. >> >> echo $LD_LIBRARY_PATH >> /usr/lib/spa

[sage-support] Re: MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
I forgot to mention, the long deprecated function mpz_random has also finally been removed. Bill. 2010/1/28 Bill Hart : > Hi all, > > it is with pleasure that we (finally) officially release MPIR 1.3.0. > It is available at our website http://www.mpir.org/ > > Please note the f

[sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
hart/mpir-1.3.0/.libs But: wbh...@t2:~/mpir-1.3.0/tests$ ls ../.libs compat.o libmpir.so.8 randbui.o rands.o dummy.o libmpir.so.8.0.0 randclr.o randsd.o .... So it's there. Do sparc machines just ignore LD_LIBRARY_PATH or something? Bill.

[sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
So on t2 there is no /usr/local/lib/sparcv9, so that's a bit useless! Does this mean t2 is not capable of running 64 bit binaries? 2010/1/28 Dr. David Kirkby : > Bill Hart wrote: >> >> Hi all, >> >> it is with pleasure that we (finally) officially release MPIR

[sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
2010/1/28 Dr. David Kirkby : > Bill Hart wrote: >> >> Hi all, >> >> it is with pleasure that we (finally) officially release MPIR 1.3.0. >> It is available at our website http://www.mpir.org/ >> >> Please note the following important things: >>

[sage-support] Re: [mpir-devel] Re: [sage-devel] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
2010/1/28 Dr. David Kirkby : > Bill Hart wrote: >> >> Hi all, >> >> it is with pleasure that we (finally) officially release MPIR 1.3.0. >> It is available at our website http://www.mpir.org/ >> >> Please note the following important things: >>

[sage-support] MPIR 1.3.0 released (at last)

2010-01-28 Thread Bill Hart
have to wait a couple of days until I issue an update to FLINT, in particular the quadratic sieve, which still uses the old functions - in the mean time, just add the above defines to flint.h). Bill. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this gr

Re: [sage-support] 3D plots fail using VirtualBox Sage 4.21 on old XP computer

2009-12-04 Thread Bill Page
As reported here in other threads it seems that jmol-based 3-graphics fails in FireFox under Windows XP. I am not sure if it is all configurations anv versions or only some but I do have one laptop running Windows XP and the most recent version of FireFox and this still fails with the newest versio

[sage-support] Re: Jmol will not display graphics

2009-09-13 Thread Bill Page
ndows Internet Explorer works fine on both systems. Regards, Bill Page. On Sun, Sep 13, 2009 at 8:52 AM, docfleetwood wrote: > > You are not alone in this problem.  I and others have this problem > also and I have not seen a solution posted here even though several > have complained about

[sage-support] Re: sage server setup support sought

2009-08-17 Thread Bill Hart
Ah, OK, thanks for clearing that up. Bill. On Aug 17, 7:04 pm, William Stein wrote: > On Mon, Aug 17, 2009 at 4:27 AM, Bill Hart wrote: > > > It's ubuntu and we can open the port as we have root access (assuming > > John is talking about the same machine - which I a

[sage-support] Re: noncommutative polynomials and free differential calculus

2009-08-17 Thread Bill Page
re at all interested, please let me know. In any case, XPOLY might serve as a starting point for something similar in Sage. Regards, Bill Page. On Thu, Aug 13, 2009 at 11:39 AM, Nicholas Jackson wrote: > > I'm trying to use SnapPy [1] to calculate Alexander polynomials of knot > comple

[sage-support] Re: sage server setup support sought

2009-08-17 Thread Bill Hart
this is part of the problem. Naturally I changed all the relevant paths in the instructions to /storage/sage_chroot.image. Can anyone help? Bill. On Aug 17, 8:40 am, William Stein wrote: > On Sun, Aug 16, 2009 at 4:45 PM, Kevin Horton wrote: > > > Actually, I probably spoke out of

[sage-support] Re: sage server setup support sought

2009-08-17 Thread Bill Hart
It's ubuntu and we can open the port as we have root access (assuming John is talking about the same machine - which I am pretty sure he is). How secure is the notebook server these days. Is it still advised to set it up in a chroot jail (see my other post about problems I had doing that).

[sage-support] Re: Handling Axiom crashes in Sage

2009-07-24 Thread Bill Page
of days to be able to be in a position to do that. Regards, Bill Page. On Fri, Jul 24, 2009 at 10:43 AM, William Stein wrote: > > On Fri, Jul 24, 2009 at 1:36 AM, Martin > Rubey wrote: >> >> If you are running longer jobs with fricas, you should consider >> switching t

[sage-support] Re: Handling Axiom crashes in Sage

2009-07-23 Thread Bill Page
I will let the current test run to completion (if possible) and let you know the result. If this succeeds, I will try building a new version of Sage and FriCAS that is closer to what you are running and try again to see if I am able to reproduce the problem. Regards, Bill Page. --~--~-

[sage-support] Re: Is it possible to replace the list built-in type in Sage?

2009-07-14 Thread Bill Page
> [ x ] No, I can read the above just fine. It is crystal clear. ... but of course unnecessarily verbose. In my opinion a more common notation in Sage: sage: x=2*vector(range(10))+vector(10*[3]) sage: list_plot(map(lambda a:[cos(a),sin(a)],x/max(x))) is superior to Mathematica. On Tue, Jul 14

[sage-support] Re: Is it possible to replace the list built-in type in Sage?

2009-07-14 Thread Bill Page
> [ x ] No, I can read the above just fine. It is crystal clear. ... but of course unnecessarily verbose. In my opinion a more common notation in Sage: sage: x=2*vector(range(10))+vector(10*[3]) sage: list_plot(map(lambda a:[cos(a),sin(a)],x/max(x))) is superior to Mathematica. On Tue, Jul 14

[sage-support] Re: Creating a polynomial with symbolic coefficients

2009-06-03 Thread Bill Page
] ] sage: Q=lambda d,x,y:P(d,x,y).subs_expr(solve(E(d),V(d),solution_dict=True)[0]) sage: Q(1,x,y) 0 sage: Q(2,x,y) 0 sage: Q(3,x,y) 0 sage: Q(4,x,y).factor() r21*(-y^2 + x*y + x^2 - 1)*(-y^2 + x*y + x^2 + 1) Regards, Bill Page. --~--~-~--~~~---~--~~ To post to thi

[sage-support] Re: cube roots

2009-05-14 Thread Bill Page
On Thu, May 14, 2009 at 12:34 PM, Jason Grout wrote: >> Bill Page wrote: >> Ok thanks. I recall the discussion and I can indeed write: >> >> sage: f=lambda x:RR(x).nth_root(3) >> sage: f(-2.0) >> -1.25992104989487 >> >> but I think I'll let m

[sage-support] Re: cube roots

2009-05-14 Thread Bill Page
On Thu, May 14, 2009 at 11:06 AM, Jason Grout wrote: > > Bill Page wrote: >> >> Consider the problem to define >> >>   f(x) = x^(1/3) >> >> so that it takes the real branch for x < 0.  The best I have been able >> to come up with so far

[sage-support] Re: cube roots

2009-05-14 Thread Bill Page
).sign()*x)^(1/3) sage: plot(f,(-2,2)) I think there should be a more obvious way. Regards, Bill Page. --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@g

[sage-support] Re: cube roots

2009-05-14 Thread Bill Page
On Thu, May 14, 2009 at 1:56 AM, Robert Bradshaw wrote: > > On May 13, 2009, at 9:11 PM, Bill Page wrote: > >> On Wed, May 13, 2009 at 11:54 PM, Robert Bradshaw wrote: >>> >>> This is because the branch in which the positive real root is real is >>&

[sage-support] Re: cube roots

2009-05-13 Thread Bill Page
On Wed, May 13, 2009 at 11:54 PM, Robert Bradshaw wrote: > > This is because the branch in which the positive real root is real is > taken. We're opting for continuity and consistency with complex numbers. > If I wrote: sage: ComplexField(53)(-2.0)^(1/3) 0.629960524947437 + 1.09112363597172*I t

[sage-support] Re: cube roots

2009-05-13 Thread Bill Page
On Wed, May 13, 2009 at 11:23 PM, Alex Ghitza wrote: > > On Thu, May 14, 2009 at 1:19 PM, Bill Page wrote: >> >> On Wed, May 13, 2009 at 10:46 PM, Mike Hansen wrote: >>> >>> On Wed, May 13, 2009 at 6:58 PM, Bill Page wrote: >>>> >>>

[sage-support] Re: cube roots

2009-05-13 Thread Bill Page
On Wed, May 13, 2009 at 10:46 PM, Mike Hansen wrote: > > On Wed, May 13, 2009 at 6:58 PM, Bill Page wrote: >> >> Can someone explain this apparently inconsistent result? > > It's just operator precedence: > > sage: -(2.0^(1/3)) > -1.25992104989487 &g

[sage-support] cube roots

2009-05-13 Thread Bill Page
Can someone explain this apparently inconsistent result? -- | Sage Version 3.4, Release Date: 2009-03-11 | | Type notebook() for the GUI, and license() for information.| ---

[sage-support] make check failures on devel/sage/sage/interfaces/sage0.py

2009-01-12 Thread Bill Hammond
later version of Python in the Debian 4 system, should I rebuild sage, or does it matter? Thanks. -- Bill Excerpt from test.log (129 lines): sage -t "devel/sage/sage/interfaces/sag

[sage-support] Re: The real part of a matrix

2008-11-24 Thread Bill
ason Grout <[EMAIL PROTECTED]> wrote: > Bill wrote: > > Hello, > > given a matrix over CDF I would like to obtain its real and imaginary > > parts. > > I know how to write my own function to do this, but I was wondering if > > there is one built-in. Couldn't

[sage-support] The real part of a matrix

2008-11-24 Thread Bill
Hello, given a matrix over CDF I would like to obtain its real and imaginary parts. I know how to write my own function to do this, but I was wondering if there is one built-in. Couldn't see anything in the docs. Many thanks, Bill (using SAGE version

[sage-support] Re: Simple continued fractions in Pari

2008-05-06 Thread bill purvis
uedFraction is at > http://reference.wolfram.com/mathematica/ref/ContinuedFraction.html > > Carl > Thanks, Carl. Bill -- +---+ | Bill Purvis, Web Designer

[sage-support] Re: Simple continued fractions in Pari

2008-05-01 Thread bill purvis
it could be the number of recurring terms. Given the way > > > that Python handles negative indices I guess the second option could > > > amount to the same thing by making it negative. Again, feedback > > > welcomed. > > > > > > Bill > > > > Hmm

[sage-support] Re: Simple continued fractions in Pari

2008-05-01 Thread bill purvis
demands on my time, so don't expect anything this week! ;-) Bill -- +---+ | Bill Purvis, Amateur Mathematician| | email: [EMAIL PROTECTED]| +---+ --~--~-~--~~~---~--~~

[sage-support] Re: version()/clone question

2008-04-27 Thread bill purvis
7;m guessing > it not too much trouble, for example, to modify version() to return a > pair - the version > and the name of the clone branch one is in. I'd be happy to prepare > a patch if I could get a hint on how to get started. > - D

[sage-support] Re: Another possible bug in parametric_plot/show

2008-02-16 Thread bill purvis
e is called "Text"; if > you press that, you get a plain text version of your worksheet, > which you can then copy/paste/etc. > > Best, > Alex Many thanks, that's another new thing I learned today! Bill -- +---+ | Bill Purvis, Amateu

[sage-support] Re: Odd behaviour of parametric_plot

2008-02-16 Thread bill purvis
On Saturday 16 February 2008, Carl Witty wrote: > On Feb 12, 2:07 am, bill purvis <[EMAIL PROTECTED]> wrote: > > I wanted to make a plot of x^3+y^3=1729 (the well-known taxicab problem). > > I'm sure there are better ways of acieving this but I opted for a naive > &g

[sage-support] Re: Another possible bug in parametric_plot/show

2008-02-16 Thread bill purvis
t; > You are defining f twice, first as a function then as a graphics > object. You need to pick a different name for one or the other. > > Carl > Must be old age creeping on! Many thanks for spotting that. Bill -- +---+ | Bill Purvis, Amateur Mat

[sage-support] Re: notebook documentation question

2008-02-13 Thread bill purvis
recall having any difficulty, apart from remembering to press the shift key each time until I got used to it. Just checked the Tutorial and there is a very brief mention of Shift-Enter on the last line, where it talks about hitting Esc for help. Tried the Help again and it's fairly obvious in

[sage-support] Typo in Sage Reference Manual

2008-02-12 Thread bill purvis
#x27;? Just did a check on the HTML source and it's on line 196. (This the online html from www.sagemath.org) Bill -- +---+ | Bill Purvis, Amateur Mathematician| | email: [EMAIL PROTECTED]

[sage-support] Odd behaviour of parametric_plot

2008-02-12 Thread bill purvis
ing something totally stupid or is there a bug here? Bill (still running 2.10.1.rc3 on Linux, Ubuntu 7.10 on a Toshiba Equium laptop) -- +---+ | Bill Purvis, Amateur Mathematician| | email: [EMAIL PROTECTED] | | http://bil.mem

[sage-support] Re: Warnings from JsMath

2008-01-27 Thread bill purvis
These > possibilities are documented at > > http://www.math.union.edu/locate/jsMath/authors/warnings.html > > so the sage project could set up the messages in a different way if it > wants to. > > Davide Davide, see my earlier message to William. Apologi

[sage-support] Re: Warnings from JsMath

2008-01-27 Thread bill purvis
On Friday 25 January 2008, William Stein wrote: > On Jan 25, 2008 4:49 AM, bill purvis <[EMAIL PROTECTED]> wrote: > > On Friday 25 January 2008, Timothy Clemans wrote: > > > See http://www.math.union.edu/~dpvc/jsmath/download/jsMath-fonts.html. > > > There are in

[sage-support] Re: Warnings from JsMath

2008-01-27 Thread bill purvis
On Friday 25 January 2008, William Stein wrote: > On Jan 25, 2008 4:49 AM, bill purvis <[EMAIL PROTECTED]> wrote: > > On Friday 25 January 2008, Timothy Clemans wrote: > > > See http://www.math.union.edu/~dpvc/jsmath/download/jsMath-fonts.html. > > > There are in

[sage-support] Re: Warnings from JsMath

2008-01-25 Thread bill purvis
On Friday 25 January 2008, Timothy Clemans wrote: > See http://www.math.union.edu/~dpvc/jsmath/download/jsMath-fonts.html. > There are install instructions for PC, Mac OS X, and Unix users. > > On Jan 24, 11:45 pm, bill purvis <[EMAIL PROTECTED]> wrote: Yes, but what about Sag

[sage-support] Re: Warnings from JsMath

2008-01-24 Thread bill purvis
otebook server expects to find them. I thought they were included as part of the Sage distribution, anyway? Bill -- +---+ | Bill Purvis, Amateur Mathematician| | email: [EMAIL PROTECTED] | | http://bil.members.beeb.net | +---

[sage-support] Re: printing long lines from notebook

2008-01-24 Thread bill purvis
ented a little or there was some mark in the margin it would be clearer. I hadn't seen the option to click in the left of the output area, except when an error occurs and it explicitly suggests that to get a trace-back. Thanks for the info. Bill -- +--

[sage-support] Re: Sage LAN server

2008-01-20 Thread bill purvis
my Firefox browser. For instance, in the head of a page server1.py seems to put SAGE: %s while on my browser I see %s (SAGE). Am I looking in the right place? What I want to do is turn on some kind of logging to see what requests the server is receiving and what it send in re

[sage-support] Re: Sage 2.10 released!

2008-01-19 Thread bill purvis
On Saturday 19 January 2008, William Stein wrote: > On Jan 19, 2008 7:39 AM, mabshoff > > <[EMAIL PROTECTED]> wrote: > > On Jan 19, 12:06 pm, bill purvis <[EMAIL PROTECTED]> wrote: > > > On Saturday 19 January 2008, mabshoff wrote:> Hello folks, >

[sage-support] Re: Sage 2.10 released!

2008-01-19 Thread bill purvis
sk: Is it safe to assume that 2.10 is essentially the same as 2.10.alpha4? If not can I simply apply a few fixes to save the effort of downloading, compiling and testing everything? Bill -- +---+ | Bill Purvis, Amateur Mathematician| |

[sage-support] Re: Problems with standalone python/sage scripts

2008-01-19 Thread bill purvis
On Saturday 19 January 2008, Ondrej Certik wrote: > On Jan 19, 2008 7:38 AM, Ondrej Certik <[EMAIL PROTECTED]> wrote: > > On Jan 18, 2008 10:00 PM, Georg Grafendorfer > > > > <[EMAIL PROTECTED]> wrote: > > > Michael, > > > OK, i'm already a bit confused, and i don't know any more what your > > > r

[sage-support] Re: Doc Day 1 announcement: January 17th, 2008, 9am-5pm PST

2008-01-16 Thread bill purvis
d like to second that. I don't think I'll be able to participate in this doc day due to the time difference (I think PST is 8 hours behind GMT). Also, I've never used IRC before so it will be a learning exercise if I do get to join in. Bill -- +---+

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