swapping, which of
course slows down the build process or may even freeze your machine
[at least for a while].)
[I'm not sure whether that's mentioned anywhere in the Sage
documentation, but rather doubt it is.]
-leif
[1] http://www.gnu.org/software/make/manual/make.html#Options-Summary
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On 27 Okt., 19:12, Volker Braun vbraun.n...@gmail.com wrote:
On Thursday, October 27, 2011 11:01:19 AM UTC-4, leif wrote:
Setting MAKE to make -jN when (re-)building Sage doesn't limit the
*total* number of build jobs to N;
It does limit the total number of build jobs within the current
On 28 Okt., 01:51, Eric Kangas eric.c.kan...@gmail.com wrote:
plot([derivative((f(x), a) for a in [0,1,..3]], (x,0,2*pi), color = ())
Just curious:
Any reason to use [0,1,..3] instead of just [0..3] or even the pure
Python syntax: range(4) ?
-leif
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sage: srange(0.0,pi+pi/3,pi/3.0)
[0.000, 0.333*pi, 0.667*pi, pi]
-leif
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For more options, visit
, which could speed up things significantly if you call it
repeatedly.
It could also (optionally) use PARI's prime table instead of a
modulo-30 wheel.
-leif
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and/or Ubuntu 11.10). (For earlier Sage versions,
i.e. 4.7.1 and some 4.7.2.alpha*, a different Symmetrica spkg is
needed as well as setting LDFLAGS=-ldl for the Singular 3-1-1-4
spkg.)
The R/readline issue is meanwhile tracked at
http://trac.sagemath.org/sage_trac/ticket/11970
.
-leif
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in /Sage's/
documentation, and on #14523 [1], we're wondering whether it
could/should be removed, although this would presumably be done on
another ticket.)
-leif
[1] http://trac.sagemath.org/sage_trac/ticket/14523#comment:13 ff.
[2]
http://sagemath.org/doc/reference/misc/sage/misc
package for this, for
convenience? (It would also be slightly smaller than PARI's .tgz ...)
-leif
On Wednesday, May 15, 2013 8:07:48 PM UTC+8, John Cremona wrote:
On 15 May 2013 10:47, John Cremona john.c...@gmail.com
The PARI package in Sage only has the small database of modular
(i.e., there's a version in
$SAGE_ROOT/local/bin/), just to sort out such issues.
-leif
On Wednesday, May 15, 2013 2:28:33 PM UTC-5, John H Palmieri wrote:
On Wednesday, May 15, 2013 12:08:57 PM UTC-7, Ben wrote:
I am trying to help someone install patches on their sage
middle columns,
which is CR LF in hexadecimal notation.)
-leif
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installation is probably better (safer and less error-prone)
as well.
Just to make sure:
Does /usr/share/sage-5.9/devel/sagenb/sagenb/misc/sphinxify.py exist?
-leif
===
--
| Sage
*think* a binary distribution might work as well, but I'm not sure.)
-leif
I am running this on a kubuntu virtual machine (VMWare) but I don't see that
should matter. Is there another way to achieve this? Can I just download and
unzip the archive? If this is the case, where do I unzip it to? Any
: No module named _ssl
Install OpenSSL and rebuild Python. I.e., in the VM do:
$ sudo apt-get install libssl-dev
$ ./sage -f spkg/standard/python-*
-leif
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Volker Braun wrote:
socket.gethostname() returns illegal hostname, thats great. Apple, what
the heck!
ROFL.
I first thought the apostrophe may come from the path of the Sage
installation.
Worth a ticket?
-leif
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Volker Braun wrote:
On Monday, June 3, 2013 8:47:17 AM UTC+1, leif wrote:
Worth a ticket?
Not sure; Apparently OSX does escape illegal characters usually, though
clearly some people get bitten by this. Might be dependent on whether
the name was entered during installation / upgraded from
setting
up / invoking shell commands I think) where we could run into trouble.
For starters, you just broke the sage cleaner again.
? I just quoted the changes that have been made.
-leif
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sage: f.truncate(x,3)
x^2*y^4 + x*y + x + y + 1
sage: f.truncate(x,3).truncate(y,3)
x*y + x + y + 1
-leif
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To post
leif wrote:
Mike wrote:
Is it possible (in Sage 5.9) to do high-precision simple integration
(e.g. of polynomials)?
The following is an example of what doesn't work: while the coefficients
of q are known to 30 digits, the coefficients of the integrals are known
to at most 15.
a=RealField(100
Georgi Guninski wrote:
This fails with syntax error, but works if Nf.v is on new line:
K.Z=ZZ[]
for D in [ 1 .. 20]:
try: Nf.v=NumberField(Z**2-D)
except Exception,e:
print e
That's a Sage preparser bug, but it's bad style anyway... ;-)
-leif
of them.
-leif
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leif wrote:
Emil wrote:
I'd like to know if it's possible to get the filename of a script that's
been run using the load or attach command at the sage: prompt.
If I insert a print __name__ in the script I just get __main__.
I know __name__ isn't the right thing, since I'm not dealing
into some folder of an older one.
-leif
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Emil wrote:
Thanks Leif. inspect.getfile() doesn't seem to do what I want.
The situation is that I have a number of scripts, s1.sage, s2.sage, etc,
and I'd like them to be able to write to a '.js' file with the same name
as their filenames, e.g. s3.sage would write to s3.js, etc. I thought I
]:
...
is identical to
for M in [1..N]:
...
since (e.g.) [1..0] yields the empty list.
-leif
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if it didn't have
bits/c++config.h at all.
Before you make further attempts, could you save the offending cf_gmp.h
(and the corresponding config.log, from
spkg/build/singular-*/src/factory/ I think)?
-leif
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leif wrote:
chexmix wrote:
In file included from ../kernel/si_gmp.h:4:0,
from ../kernel/structs.h:15,
from weight0.c:13:
../factory/cf_gmp.h:2501:28: fatal error: bits/c++config.h: No such file
or directory
#include bits/c++config.h
leif wrote:
What does, in a Sage subshell ('./sage --sh'), the following give:
$ echo '#include gmp.h' gen_cf_gmp.cc
$ $CXX -M gen_cf_gmp.cc | grep gmp.h
Oh, forgot: And what does in contrast
$ $CXX -I$SAGE_LOCAL/include -M gen_cf_gmp.cc | grep gmp.h
give?
-leif
(Do that in some
gmp.h
Thanks,
-leif
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Stephen Montgomery-Smith wrote:
On 06/12/2013 11:04 AM, leif wrote:
chexmix wrote:
I ran a script session to capture the build output.
P.S.:
You don't have to do that.
There's $SAGE_ROOT/logs/install.log (cumulative, usually mostly
unreadable when 'make' is run with multiple jobs
arojas wrote:
El miércoles, 12 de junio de 2013 23:01:52 UTC+2, leif escribió:
What does, in a Sage subshell ('./sage --sh'), the following give?
$ echo '#include gmp.h' gen_cf_gmp.cc
$ $CXX -I$SAGE_LOCAL/include -M gen_cf_gmp.cc | grep gmp.h
/opt/sage/local/include/gmp.h /usr
.)
Tedious, of course...
A /bit/ more automated:
sage: var(','.join([str(v) for v in a[0].variables()]))
or rather
sage: var(','.join([str(v) for v in a[0].rhs().variables()]))
To replace all occurrences, you can then e.g. also do
sage: [ eqn.subs(z38=3) for eqn in a ]
-leif
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leif wrote:
robin hankin wrote:
hello, sage 5.9
If solve() gives an unspecificed integer, how do I substitute a
particular value into the expression?
subs() does not work as expected/desired because the free variables
don't seem to be defined.
sage: a=solve(sin(x)==0,x,to_poly_solve='force
kcrisman wrote:
On Wednesday, June 12, 2013 8:09:02 PM UTC-4, leif wrote:
robin hankin wrote:
hello, sage 5.9
If solve() gives an unspecificed integer, how do I substitute a
particular value into the expression?
subs() does not work as expected/desired
leif wrote:
arojas wrote:
El miércoles, 12 de junio de 2013 23:01:52 UTC+2, leif escribió:
What does, in a Sage subshell ('./sage --sh'), the following give?
$ echo '#include gmp.h' gen_cf_gmp.cc
$ $CXX -I$SAGE_LOCAL/include -M gen_cf_gmp.cc | grep gmp.h
/opt/sage/local
,
6.00]
Especially try preparse() of both; the latter returns a generator, while
the former returns a list.
I'm not sure what suddenly was meant to say; did the behaviour differ
in previous versions of Sage? (It doesn't in Sage 5.8, nor 5.2, say.)
-leif
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... ;-) )
-leif
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To post
version of it)
included in the PPA distro?
-leif
Before this I get:
Removing
/usr/lib/sagemath/local/lib/python2.7/site-packages/SciTools_-1.0-py2.7.egg-info
Writing
/usr/lib/sagemath/local/lib/python2.7/site-packages/SciTools_-1.0-py2.7.egg-info
cp: impossible de créer le fichier standard
setting CPP)?
Cheers,
-leif
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, sorry.
Thanks for pointing this out. The code now autodetects the nummber of
bits in an unsigned long, and that is the bound on the number of
primes factors which can be handled.
Couldn't you just use uint64_t instead?
Just asking...
-leif
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], preliminary fixed spkg is here:
http://boxen.math.washington.edu/home/leif/Sage/spkgs/singular-3-1-5.p8.spkg
(Download and copy that into spkg/standard/, then resume the build by
typing 'make' again.)
-leif
[1] http://trac.sagemath.org/sage_trac/ticket/14737
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) -- using
./sage -f http://sagemath.org/packages/archive/openssl-1.0.0.p0.spkg
(and reinstalling pyopenssl etc. as above); versions prior to and
including 1.0.0 didn't have the heartbeat TLS extension.
In any case, don't forget to restart any running services using that
OpenSSL library.
-leif
leif wrote:
leun...@gene.com wrote:
Q2: I tried to follow the online sage tutorial
(http://www.sagemath.org/doc/tutorial/tour_algebra.html). The session
of using maxima to do laplace transform. I copied the exact command
de1 = maxima(2*diff(x(t),t, 2) + 6*x(t) - 2*y(t))
lde1 = de1
, and IIRC we also had endless
discussions a couple of times on sage-devel.)
Tertium tamen datur,
-leif
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to include the open source libraries primesieve and
primecount in Sage which would provide a much faster Primes iterator,
prime_range, prime_pi, and nth_prime, however so far these haven't made it in.
And I just noticed that http://trac.sagemath.org/ticket/11475 is still
bit-rottening...
-leif
on them. The relevant linker command line arguments are
-framework CoreFoundation -framework IOKit.
-leif
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#sage.rings.finite_rings.finite_field_base.FiniteField.multiplicative_generator
-leif
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=/path/to/system/atlas/libs ./sage -f atlas
$ env SAGE_UPGRADING=yes make build
(Note sure whether some Cython extension modules need to get
rebuilt/relinked as well, and if so, whether the dependencies are
complete in that the above would automatically rebuild them.)
-leif
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$ sage -i /path/to/python_package.tar{,.gz,.bz2}
Don't know whether that still works. (And IIRC, the name of the tarball
had to match the top-level folder in it, but that's /usually/ the case.
If not, simply renaming the tarball should be sufficient.)
-leif
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=AFQjCNHgkg8ryusZlGzg19QM7ogKmufo4Asig2=tYRBajv8jhJmWVbA9_6R0A
Read: http://www.csulb.edu/~woollett/mbe4solve.pdf ;-)
-leif
quote chapter 4.1.1: Maxima's ability to solve equations is limited,
but progress is being made in this area.
I guess (because I don't know so much about Maxima symbolic
().eigenvectors_left(extend)
-leif
While eigenvectors_right() works perfectly good, right_eigenvectors() says:
Traceback (most recent call last):
File , line 1, in module
File /tmp/tmpHySbp1/___code___.py, line 24, in module
exec compile(u'M.right_eigenvectors()
File , line 1
leif wrote:
Dima Pasechnik wrote:
On 2014-05-02, leif not.rea...@online.de wrote:
Dima Pasechnik wrote:
On 2014-05-02, Michał Migacz migacz.mic...@gmail.com wrote:
Hello
It happens on sagenb.org
which runs Sage 5.11, for which
http://trac.sagemath.org/ticket/10346
is already closed.
Do
Nils Bruin wrote:
On Friday, May 2, 2014 8:38:16 AM UTC-7, leif wrote:
return self.transpose().eigenvectors_left(extend)
def eigenvectors_right(self, extend=True):
So 'extend' is defined where the call happens...
Stylistically it seems to be a keyword argument
be
difficult to get them all
Not difficult, but would take infinitely long to get them all...
Note that one could use assume() to get a finite subset.
-leif
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' indicate arbitrary integers.)
assume() doesn't seem to have an impact here, and passing further
relations to solve() doesn't seem to give useful results either.
-leif
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that Sage 6.2.rc2 has been released today, so you might also try
that [1], or wait hopefully at most a few days until 6.2 gets released.
-leif
[1]
http://boxen.math.washington.edu/home/release/sage-6.2.rc2/sage-6.2.rc2.tar.gz
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database_gap
and you'll get the new style 4.7.4 versions.
(After that, 'sage --optional' will correctly report that they're
installed.)
-leif
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, such that
you can check the effects of your changes.
But before starting to modify the code, you should create a branch for
your work such that you can always easily switch back to a clean
version of Sage. See [1].
-leif
P.S.: Thanks for your very nice bug report!
[1]
http
virtual machine, see [2].
-leif
[1] http://page.math.tu-berlin.de/~kant/download.html
[2] http://sagemath.org/doc/installation/binary.html#microsoft-windows
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local/var/lib/sage/installed/, you can see which packages
*have been* successfully installed so far.)
You can also just issue 'make' again, and see whether the build error
persists; if so, at some point what's causing it will pop up near the
end of the output... ;-)
-leif
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ImportError: No module named splitting_field
Where is the problem?
No idea. Works for me.
Do I need to install a package?
No.
-leif
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-04'
sage:
Or did I just mess it up somehow?
-leif
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leif wrote:
John Cremona wrote:
You need 6.2. The splitting field functionality was only added since
6.1.1:
?
sage: sage: R.x = PolynomialRing(QQ)
sage: sage: K.a = NumberField(x^3 + 2)
sage: sage: S.t = PolynomialRing(K)
sage: sage: L.b = (t^2 - a).splitting_field()
sage: sage: L
Number
/installation/binary.html#microsoft-windows
which further indirectly points you to
http://wiki.sagemath.org/SageAppliance
(and
http://www.sagemath.org/download-windows.html
but the mirrors haven't synced yet, so wait a while or take the fresh
6.2 ova pointed to at the top of this message).
-leif
(4,4, range(16))
sage: A
[ 0 1 2 3]
[ 4 5 6 7]
[ 8 9 10 11]
[12 13 14 15]
sage:
Looks like your installation was broken somehow^TM^.
-leif
---
AttributeErrorTraceback (most recent call
+ 3*x*y^2 - 2*x^2*z - 2*x*y*z - y^2*z + y*z^2
Defn: Defined on coordinates by sending (x : y : z) to
(-12*x*z - 4*y*z : 32*x*z : x^2 - 28*x*z - 4*y*z)
sage: e.inverse().defining_polynomials()
[-12*x*z - 4*y*z, 32*x*z, x^2 - 28*x*z - 4*y*z]
-leif
On Saturday, May 24, 2014 4:38:48 PM UTC
: for i in xrange(100):
: a=f(1,0,0)
:
sage: get_memory_usage()
338.19921875
sage: gc.collect()
11
sage: get_memory_usage()
338.19921875
(Sage 6.2, MacOS X 10.6 x86_64)
-leif
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preparser
replaces '^' by '**' internally when you load or run the file with
'sage'), simply rename your file to f.sage.
Similar holds for '.pyx' vs. '.spyx'; the latter first gets preparsed.
-leif
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to f.sage.
Similar holds for '.pyx' vs. '.spyx'; the latter first gets preparsed.
thanks for this Leif. Where do I look for documentation of this issue?
The help page for load() discusses file extensions but does not mention
preparsing.
See for example
http://sagemath.org/doc/tutorial
this question wasn't SMC-specific.
In contrast, if he'd asked how do I get the current working directory
we probably would have sent him to #python, stackoverflow, or whatever.
-leif
On Wednesday, May 28, 2014 9:17:23 AM UTC-4, Dima Pasechnik wrote:
On Wednesday, 28 May 2014 14:15:23 UTC+1, Dima
2010 -0700
Date: Sun Apr 4 16:47:15 2010 +0200
Date: Wed Mar 10 15:39:58 2010 -0800
Date: Mon Mar 8 14:09:13 2010 -0800
So at least a few developers are aware of it.
-leif
And, this one still mentions Mercurial for the development among other
things!!! I have opened a ticket to change
! (assuming the the original questioner likes it too, of
course).
Yes, indeed (and it's just one of a couple).
http://ask-simon.sagemath.org/ ?
-leif
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'
[BIG SNIP]
You can use foo.parent() or parent(foo) instead.
-leif
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leif wrote:
Stephen Kauffman wrote:
I'm trying to become cognizant of your caveats about conversion. What
I've tried to write is a recursive function to convert polynomials
(statements) in the Free BooleanPolynomialRing() to corresponding
probability polynomials (statements) over QQ. I haven't
' instead of just 'reference'), docbuilding simply
gets stuck, i.e., hangs indefinitely; cf. recent threads on sage-devel
(and probably better post there).
My impression is that docbuilding with Python's multiprocessing doesn't
work reliably, but so far failed to really track this down.
-leif
William Stein wrote:
On Sun, Jun 1, 2014 at 6:06 PM, Fred Gruber fgru...@gmail.com wrote:
Thanks William
If I could just run an R command in the background and then just do sink
[sync?] to
sink() is an R command.
-leif
redirect the outputs to a log file then I would be able to check
multiprocessing should also work.
Not sure whether Sage's @parallel decorators play well in the notebook
(and the master process/computation won't return until the children have
finished AFAIK, so it's not asynchronous to the evaluation of other cells).
-leif
On Monday, June 2, 2014 7:31:48 AM UTC
Jose Guzman wrote:
On 01/06/14 17:59, leif wrote:
Jose Guzman wrote:
When trying to install Sage 6.2 from sources I got the following error:
File /home/jguzman/sage-6.2/src/doc/common/builder.py, line 1477,
in module
getattr(get_builder(name), type)()
File /home/jguzman/sage-6.2
leif wrote:
Dominique Laurain wrote:
I usually factor small polynomials...but this time I got a
Segmentation fault for a bigger one...is it ok to get that error (no
control of enough memory or processor task force to get the result) ?
Maybe I want t much :-) ... over the quota
leif wrote:
leif wrote:
Dominique Laurain wrote:
I usually factor small polynomials...but this time I got a
Segmentation fault for a bigger one...is it ok to get that error (no
control of enough memory or processor task force to get the result) ?
Maybe I want t much :-) ... over the quota
Dominique Laurain wrote:
Thanks leif for your help..
Since some weeks, I have a strange (final destination) feeling falling
too much into deep software traps at office or at home...
Work-around: Works in Sage 6.2 if you define f (i.e., u, v and w) the
right way:
sage: R.u,v,w=QQ[]
sage: f
leif wrote:
Dominique Laurain wrote:
Thanks leif for your help..
Since some weeks, I have a strange (final destination) feeling falling
too much into deep software traps at office or at home...
Work-around: Works in Sage 6.2 if you define f (i.e., u, v and w) the
right way:
Sorry, my bad
.
I'll otherwise probably do so, and check whether the patch applies clean
to our version (and is sufficient for it).
-leif
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silence the warning (probably by patching our
pycrypto package further)?
The easiest solution is of course to simply report this upstream... ;-)
(MPIR 2.7.0.alpha4 still lacks mpz_powm_sec().)
-leif
On Sunday, June 8, 2014 11:21:20 AM UTC+1, Martin Albrecht wrote:
On Saturday 07 Jun
is not going to implement special functions safe w.r.t.
side-channel attacks.)
-leif
On Sunday, June 8, 2014 5:16:47 PM UTC+1, leif wrote:
Volker Braun wrote:
Neat, but the flask openid shouldn't and doesn't implement SSL using
pycrytpo. Looking at the source, what triggers
leif wrote:
Volker Braun wrote:
Reported at http://www.singular.uni-kl.de:8002/trac/ticket/621
Fix committed upstream:
https://github.com/Singular/Sources/commit/28f4fe9464722511718050dfab7cd61d29898968
If somebody^TM opens a ticket (or has already done so), please cc me or
post the ticket
leif wrote:
leif wrote:
If somebody^TM opens a ticket (or has already done so), please cc me or
post the ticket # here.
I'll otherwise probably do so, and check whether the patch applies clean
to our version (and is sufficient for it).
/Of course/^TM the patch from the pull request isn't
I
try to use them within sage I get the error `'module' object has no
attribute 'nash'` for example.
Is there something I've forgotten to do?
Well, hard to tell without looking at your package.
Is it available somewhere? Trac ticket?
-leif
P.S.: This seems to be more suited to discuss
, but plain
Python packages.
In that case, you could use pkg_resources, e.g.
import pkg_resources
pkg_resources.get_distribution(foo) # may raise DistributionNotFound
pkg_resources.get_distribution(foo).version
or simply try to 'import foo'... ;-)
-leif
On Wednesday, June 11, 2014 12
jeanbigbo...@gmail.com wrote:
Excuse the top-posting, the google groups UI is not as convenient for
excerpting as emacs and a good Usenet server...
A couple of Sage groups (including this) are available on/through
gmane.org as well (gmane.comp.mathematics.sage.*).
-leif
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is below.
I'm trying to make sage in redhat version 5.7 Tikanga. The system is
64Bit, CPU is an Intel Xeon processor.
Any help would be greatly appreciated. Many thanks!
Hmmm, could you perhaps upload the full MPIR build log
(logs/pkgs/mpir-2.6.0.p4.log) somewhere?
-leif
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*v*w^3 + 1136*u*v^2*w^3 + 740*u^2*w^4 + 1140*u*v*w^4 + 296*u*w^5
- 52*u^3*w^2 - 256*u^2*v*w^2 - 184*u*v^2*w^2 - 256*u^2*w^3 - 412*u*v*w^3
- 184*u*w^4 + 36*u^2*w^2 + 60*u*v*w^2 + 60*u*w^3 - 8*u*w^2
print Factor f : ,f.factor()
This is now fixed in Sage 6.3.beta4, released today.
-leif
() ?
(notebook() will also pop up your default browser, and then open Sage
notebooks in it).
By the way, you can set Sage's default browser by exporting
SAGE_BROWSER=... in the shell before running 'sage'...
-leif
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-leif
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leif wrote:
William Stein wrote:
-- Forwarded message --
From: Pramod Shukla pkshu...@to.infn.it mailto:pkshu...@to.infn.it
Date: Jun 19, 2014 7:25 AM
Subject: help regarding sage instalation
While installing sage in my computer I came across some problem which
unfortunately I
Dima Pasechnik wrote:
> Trac emails should work now
Yes, thanks.
> (going via sendgrid.net).
Why that? I'm getting ugly HTML mails with obfuscated links (and of
course phishing attempt alerts).
> Please shout if
> something is not working.
I won't click on them... B)
-leif
'-q' added to the options; see the following trac
tickets for more details:
https://trac.sagemath.org/ticket/20779
https://trac.sagemath.org/ticket/20563 (same issue, i.e. with movq)
(Both a bit stalled at the moment, but give more info on the general
problem with Xcode versions < 7.0.)
-le
ut you /may/ run into similar problems ("No such instruction: ...")
when for example building NTL, since Apple's old GAS doesn't support
AVX, BMI etc. Then you can try what I suggested, or see #20779 (and
#21064 especially for NTL).
-leif
> Le mercredi 27 juillet 2016 19:45:55
answers.
Oh, interesting. (I thought you were running MacOS X 10.9.)
Which version actually is it? Yosemite (10.10) or already El Capitan
(10.11)?
-leif
> Le mercredi 27 juillet 2016 20:46:40 UTC+2, Laurent Decreusefond a écrit :
>
> I will try this one since I'm already working
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