On Sun, Mar 25, 2012 at 11:06 PM, Starx wrote:
> 1) How are functions depreciated? I ran
> search_src("is_AlgebraElement") and looked at all the results and I
> can only find this function occurring in either its definition or in
> import statements. How does sage know to print a depreciation wa
I was looking at the function is_AlgebraElement which needs a doctest.
When I called it in sage (to come up with a doctest) I got a
depreciation warning:
sage: is_AlgebraElement(e)
/Users/Starx/sage-dev/local/bin/sage-ipython:1: DeprecationWarning:
Using is_AlgebraElement from the top level is de
On 2012-03-26, Simon King wrote:
> So, it is a bug, and I am about to open a trac ticket for it.
It is http://trac.sagemath.org/sage_trac/ticket/12748
Cheers,
Simon
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On 2012-03-26, Ben Hutz wrote:
> Traceback (most recent call last):
> ...
> RuntimeError: Segmentation fault
Oh, and by the way: What you get is a RuntimeError, not a segmentation
fault in Sage (apparently Sage only complains about a segmentation fault
in the backend of the polynomial computation
Hi Ben,
On 2012-03-26, Ben Hutz wrote:
> R.=PolynomialRing(QQ,order=TermOrder('degrevlex',
> 6) + TermOrder('degrevlex',10))
One could argue that weird things are expected to happen if the term
order simply does not match the number of variables.
However, I'd prefer to see a ValueError being ra
Hi Ben,
On 2012-03-26, Ben Hutz wrote:
> In working with polynomials
>
> R.=PolynomialRing(ZZ)
> F=x^2*y-2*x^2-x
> print F.coefficients()[0].parent()
> print F.coefficient({x:2,y:1}).parent()
>
> The first returns the base ring (ZZ) and the second the multivariable
> polynomial ring.
The documen
I almost forgot about my 5th one: a seg fault.
I'm running 'Sage Version 4.8, Release Date: 2012-01-20' on an intel
processor on Ubuntu 11.10
R.=PolynomialRing(ZZ,1)
F=x0^4-2*x0^2-x0
R.=PolynomialRing(QQ,order=TermOrder('degrevlex',
6) + TermOrder('degrevlex',10))
I = Ideal([a0-z1*z0,a1-(z1*y0 +
Sure. I have been developing via loaded files and not directly in the
library, so it may take me a little bit to get a development branch
set-up and get a patch made correctly, but since my eventual goal is
to get the arithmetic dynamcis tools directly into sage, it seems like
good idea to do a nic
There are two parts to this:
First is that a constant term (e[]) cannot be expanded
R.=PolynomialRing(QQ)
g=x+y+1
Sym = SymmetricFunctions(QQ)
e=Sym.e() #elementary symmetric functions
m = Sym.m()
gm=m.from_polynomial(g)
e(gm).expand(2)
ValueError: max() arg is an empty sequence
---
The resultant of two homogeneous polynomials can return an incorrect
value:
R.=PolynomialRing(ZZ)
f=6*x^2 + x*y + y^2
g=y^2
print f.resultant(g)
m=matrix([[6,1,1,0],[0,6,1,1],[0,0,1,0],[0,0,0,1]])
m.determinant()
notice that the coefficient of the f.resultant(g) does not match the
integer determin
Ah ha! Apparently that function is not used anywhere in Sage. It's just a
typo: it should be "from finite_rings.constructor import is_FiniteField.
Want to practice your new developer skills by opening a ticket and
submitting a patch? I'll review it
David
On Mon, Mar 26, 2012 at 02:41, Ben
In working with polynomials
R.=PolynomialRing(ZZ)
F=x^2*y-2*x^2-x
print F.coefficients()[0].parent()
print F.coefficient({x:2,y:1}).parent()
The first returns the base ring (ZZ) and the second the multivariable
polynomial ring.
I can definitely see that since you could call F.coefficient({x:2})
Hi all,
I'm fairly new to sage and have been developing some tools for
arithmetic dynamics over projective and affine spaces this semester. I
met william stein last week and am starting to get actually set-up to
get involved in Sage. First things first is to post the (potential)
bugs I've come a
Hellooo !!!
Sage has no Module/Class for things like Finite State Machines, Automata
> and Transducers. That should be changed. ;)
Perhaps the "Word guys" would be interested in the adventure, by the way :-)
> At the moment I think about the following: In which way could this be
>
Le dimanche 25 mars, leif a écrit:
>
>
> On 25 Mrz., 17:55, Julien Puydt wrote:
> > Le dimanche 25 mars, leif a écrit:
> >
> > > The following files and directories are definitely from doctesting
> > > ('make ptestlong', not yet completed):
> >
> > Uh... if it isn't completed yet, those temporar
On 25 Mrz., 17:55, Julien Puydt wrote:
> Le dimanche 25 mars, leif a écrit:
>
> > The following files and directories are definitely from doctesting
> > ('make ptestlong', not yet completed):
>
> Uh... if it isn't completed yet, those temporary files can still be
> within their lifespan, can't t
Le dimanche 25 mars, leif a écrit:
> The following files and directories are definitely from doctesting
> ('make ptestlong', not yet completed):
Uh... if it isn't completed yet, those temporary files can still be
within their lifespan, can't they?
Snark on #sagemath
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Finally, I have been able to install sage-4.8 following your instructions
and right now busy learning the basics. This would have not been possible
without your guidance. I wish to thank you along with the sage-developers
members for your generous help.
AD
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On 25 Mrz., 15:00, leif wrote:
> On 25 Mrz., 12:07, Julien Puydt wrote:
>
>
>
>
>
>
>
>
>
> > Le dimanche 25 mars, leif a écrit:
>
> > > On 25 Mrz., 07:49, Dima Pasechnik wrote:
> > > > On 2012-03-24, leif wrote:
> > > > > And there's even more...
>
> > > > > tmp*/ directories presumably crea
On 25 Mrz., 12:07, Julien Puydt wrote:
> Le dimanche 25 mars, leif a écrit:
>
> > On 25 Mrz., 07:49, Dima Pasechnik wrote:
> > > On 2012-03-24, leif wrote:
> > > > And there's even more...
>
> > > > tmp*/ directories presumably created by Sphinx, Rtmp*/
> > > > directories, temporary ECL files e
Le dimanche 25 mars, leif a écrit:
> On 25 Mrz., 07:49, Dima Pasechnik wrote:
> > On 2012-03-24, leif wrote:
> > > And there's even more...
> >
> > > tmp*/ directories presumably created by Sphinx, Rtmp*/
> > > directories, temporary ECL files etc. etc.
> >
> > I saw Sage build failing (on ARM ac
On 25 Mrz., 07:49, Dima Pasechnik wrote:
> On 2012-03-24, leif wrote:
> > And there's even more...
>
> > tmp*/ directories presumably created by Sphinx, Rtmp*/ directories,
> > temporary ECL files etc. etc.
>
> I saw Sage build failing (on ARM ac100 netbook) once due to /tmp,
> mounted on a separ
On Sunday, March 25, 2012 1:52:34 PM UTC+8, Dima Pasechnik wrote:
>
> On 2012-03-25, Jonathan wrote:
> > --=_Part_1580_10983212.1332639593822
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > I agree that having a palette or menu (I think palette is better) entry
> is
> > a good wa
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