Our institute network uses authenticated proxy. I am having trouble
installing a package using
*sage -i* OR *sage -f* from command-line. I am using sage-4.7.2 on Ubuntu
12.04 (development branch).
I just tried to install *sage-mode*. The error is:
Deleting directories
OK I found few things, I thought I'll write it here to be recorded in
the history. First of all, sage is happy with this:
quoKer = F2.Subgroup([F2.1^4, F2.2^2, (F2.1 *F2.2)^2])
myD4 = F2/quoKer
But, I'll end up with an error from Gap that I'm generating more than
25 cosets. Basically the quot
Hi there,
I would like to make a finite group using gen/relation. As far as I
read my only chance is to use the Gap wrapper. So I can make the
group, I can also make the subgroup but the '/' of Gap doesn't work in
sage. So what's the wrapper function for that '/' notation:
F2 = gap.FreeGroup(a, b
> sage:
> F.=GF(2^8,name='x',modulus=z^8+z^4+z^3+z^2+1,check_irreducible=False)
> sage: F
> Finite Field in x of size 2^8
> sage: F.polynomial()
> x^8 + x^4 + x^3 + x^2 + 1
>
> Andrzej Chrzeszczyk
In this case sage does not complaint, but check_irreducible is not
intended for this use, but to avoi
On Dec 12, 2:39 pm, v...@ukr.net wrote:
> On Mon, 12 Dec 2011 07:16:17 -0600Jason Grout
> wrote:
>
> > sage: round(-0.02800200,12)
> > -0.028
>
> > See
> >http://www.sagemath.org/doc/reference/sage/misc/functional.html?#sage...
>
> Thanks a lot! :)
> It looks like I really should im
On Mon, 12 Dec 2011 07:16:17 -0600
Jason Grout wrote:
>
> sage: round(-0.02800200,12)
> -0.028
>
> See
> http://www.sagemath.org/doc/reference/sage/misc/functional.html?#sage.misc.functional.round
>
Thanks a lot! :)
It looks like I really should improve my searching skills. Usually
On 12/12/11 7:11 AM, v...@ukr.net wrote:
On Mon, 12 Dec 2011 04:42:19 -0800 (PST)
Volker Braun wrote:
A good read is "What Every Computer Scientist Should Know About
Floating-Point Arithmetic":
http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
Thank your for the advice. I'll
On Mon, 12 Dec 2011 04:42:19 -0800 (PST)
Volker Braun wrote:
> A good read is "What Every Computer Scientist Should Know About
> Floating-Point Arithmetic":
>
> http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
Thank your for the advice. I'll take a look at it.
On Mon, 12 Dec 20
I get the following strange result:
(289.5750, 289.6170, -0.02800200)
My question is: where do those low order digits come from? And how can
I get rid of them?
When you are performing numerical computations on a computer, you always
have an imprecision due to
A good read is "What Every Computer Scientist Should Know About
Floating-Point Arithmetic":
http://docs.oracle.com/cd/E19957-01/806-3568/ncg_goldberg.html
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Hello!
I have discovered a strange (at least so it seems to me) behaviour
of Sage. Here is the problem:
I have a list of tuples of the following format:
(2000, 289.4280)
(2001, 289.5570)
(2002, 289.6050)
(2003, 289.6170)
On Dec 12, 7:03 am, Santanu Sarkar
wrote:
> Sorry I meant to write
> " But it does not work"
> apologies for the typo
>
> On 12 December 2011 07:49, Santanu Sarkar
> wrote:
>
> > I have a set of Boolean functions like
> > A[0]=x1*x2+x3*x4
> > A[1]=x3+x7+x10
> > A[2]=x19*x36+x43*x45*x50
> >
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