On Tuesday, March 11, 2014 11:26:13 AM UTC-7, Christian Nassau wrote:
>
> You could work in the polynomial ring generated by the ak, modulo the
> relation ak**2 = ak
>
For which sage wraps a specially optimized library PolyBoRi:
sage: R.=BooleanPolynomialRing(3)
sage: (a+b+c)*(a+b)
a*c + a +
Is there a quick way to calculate the number of *internal* lattice points of a
lattice polytope? LatticePolytope object has npoints method, which returns the
total number of lattice points, including the border points.
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I'm sorry, I'm not that familiar with the IPython code. If you can't find
anything helpful by grepping for "lightbg" or one of the other color scheme
names, you could always ask on their mailing list
(http://mail.scipy.org/mailman/listinfo/ipython-dev).
Sorry for not being more help.
John
John,
I've looked through the IPython documentations and it looks like the colors
can only be controlled by the configuration files only, or they can be set
by a command line argument to IPython upon startup, but it looks like it
won't be possible to do it on the fly. However, I've been having
Thanks. It solves my problem.
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You could work in the polynomial ring generated by the ak, modulo the
relation ak**2 = ak:
P=PolynomialRing(GF(2),["a%d" % i for i in (0,..,5)])
I=P.ideal([u*u-u for u in P.gens()])
Q=P.quotient(I)
@cached_function
def z(k):
if k < 6: return Q.gens()[k]
return z(k-6)+z(k-3)+z(k-2)*z(k-1)
Thanks. But
x= polygen(GF(2), "a")
y= polygen(GF(2), "b")
print x+y
---> gives error
How to do this symbolic algebra in GF(2)={0,1} ?
My need is the following:
I have a recurrence relation like z[t+6]=z[t]+z[t+3]+z[t+4]*z[t+5] in GF(2)
taking z[0]=a0,z[1]=a1,...,z[5]=a5
i
On Tuesday, March 11, 2014 7:55:04 PM UTC+5:30, Prakash Dey wrote:
> I am new to sage.
>
> x=var('a')
> y=var('b')
> print x+y
>
> How to do this symbolic algebra in GF(2)={0,1} ?
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You can try
sage: x= polygen(GF(2), "a")
and try a few expressions involving x. For example
sage: 2*x
0
since 2=0 in GF(2).
Pierre
On Tuesday, March 11, 2014 3:25:04 PM UTC+1, Prakash Dey wrote:
>
> I am new to sage.
>
> x=var('a')
> print x*x*x*x+x*x*x+x*x+x
>
> How to do this symbolic alge
I am new to sage.
x=var('a')
print x*x*x*x+x*x*x+x*x+x
How to do this symbolic algebra in GF(2)={0,1} ?
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Been using sage happily for months, but now when I try to open it (sage./ in
terminal) I get the message 'No such file or directory'. This started happening
after I installed 'graphviz'- I have since removed this but makes no
difference. I have even tried rerunning the installer, but it seems to
Hello,
I am new to Sage. I can not get the binary 6.1.1 version to work correctly
on a 10.8.4 Mac. I am having two problems:
1. The welcome page appears with a username and password already filled in.
When I click sign in a black page appears and nothing happens.
2. Occasionally, I can sign i
Thank you for your time.
A bunch of files are created :
example_doctest.sage
example.aux
example.log
example.out
example.pdf
example.sagetex.sage
Le vendredi 6 février 2009 13:50:33 UTC+1, Samuel DM a écrit :
>
> Hello,
> I have a couple of problems trying to use sagetex. I am basically
> tryin
On Mon, 10 Mar 2014 at 09:08AM -0700, sder...@gmail.com wrote:
> kpsewhich answered :
>
> sdermon-macbook:~ sdermon$ kpsewhich sagetex.sty
>
> /usr/local/texlive/2013/../texmf-local/tex/latex/local/sagetex/sagetex.sty
Okay, that looks good. So the problem is example.sagetex.sage doesn't
exist. W
On Tuesday, March 11, 2014 4:37:21 AM UTC-4, cjsh100 cjsh100 wrote:
>
> thank you very much!
>
> I find 6.11 below:but cannot sign in
>
Again, because many limit things to on-campus IP addresses. I hope it is
clear why someone might want to limit such access.
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>
> Could there be some kind of authorization that I haven't set up correctly?
> Like a chmod or something like that ?
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thank you very much!
I find 6.11 below:but cannot sign in
http://habanero.math.cornell.edu:3690/
http://sagenb.mc.edu/
http://sage.colorado.edu/
在 2014年3月7日星期五UTC+8下午11时46分52秒，kcrisman写道：
>
> It's a wiki, so no one is under any obligation to update it.
>
> On Friday, March 7, 2014 2:02:4
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