On May 23, 5:52 pm, William Stein [EMAIL PROTECTED] wrote:
Why don't you do
child.expect('sage: ')
Because, I was too focused on using child.after, instead of
child.before, but your suggestion works great; thanks for
that.
So I incorporated your suggestion and re-worked and expanded
my
On May 28, 11:13 am, William Stein [EMAIL PROTECTED] wrote:
On Wed, May 28, 2008 at 10:59 AM, John H Palmieri
[EMAIL PROTECTED] wrote:
Here's the situation: in some sage code that I'm working on, I have a
variable, say 'output_format', which tells sage how to print certain
kinds of
Hello, I'm stuck trying to do something in MAGMA (sorry but the
support on that front seems to be lacking). Having a field K, i'm
trying to set up K^*/(K^*)^2 with some sort of structure.
Thanks and apologies if this is slightly irrelevant to the group.
On Wed, May 28, 2008 at 12:35 PM, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
Hello, I'm stuck trying to do something in MAGMA (sorry but the
support on that front seems to be lacking). Having a field K, i'm
trying to set up K^*/(K^*)^2 with some sort of structure.
Thanks and apologies if
It does rather depend on what sort of field you mean!
When K is a number field, of course K*/K*^2 is obviously infinte, but
Magma's function pSelmerGroup() (with p=2) allows you to define finite
subgroups of it unramified outside finite sets of primes. This is
heavily used in descent on
Particularly number fields. But if this could be done for more general
fields then even better:)
Cheers
On May 28, 8:43 pm, William Stein [EMAIL PROTECTED] wrote:
On Wed, May 28, 2008 at 12:35 PM, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
Hello, I'm stuck trying to do something in MAGMA
Finite fields would be rather easy -- especially in characteristic 2!
John
2008/5/28 [EMAIL PROTECTED] [EMAIL PROTECTED]:
Particularly number fields. But if this could be done for more general
fields then even better:)
Cheers
On May 28, 8:43 pm, William Stein [EMAIL PROTECTED] wrote:
On May 28, 12:35 pm, Carl Witty [EMAIL PROTECTED] wrote:
On May 28, 11:48 am, John H Palmieri [EMAIL PROTECTED] wrote:
I currently have a function, set_output_format, so users can do this:
sage: set_output_format('old')
'old'
sage: x = (blah); x
(x printed in 'old' format)
I
Hello,
I am trying to solve the following equation for y in SAGE:
x*y = 1 (mod z^8+z^4+z^3+z+1)
where
x = x0+x1*z^1+x2*z^2+x3*z^3+x4*z^4+x5*z^5+x6*z^6+x7*z^7
y = ?
x0,...,x7 are elements of GF(2). I do not know their values. I am
searching for y in parametric form i.e. as a polynomial of z
Well, everything you need for that is (as far as I know) in Magma.
If something you need is not, ask Magma!
John
2008/5/28 [EMAIL PROTECTED] [EMAIL PROTECTED]:
Yes this is descent i'm looking to use it in.
Many thanks,
Frank
On May 28, 9:00 pm, John Cremona [EMAIL PROTECTED] wrote:
You could define GF(2^8) using your polynomial as modulus, then define
the polynomial ring S in 8 variables x0,...,x7 over that, write x as
an element in that ring. The inverse of x is also x^254, but you
want to evaluate this with the side conditions xi^2=xi. So take the
quotient of S by
How can I upgrade, my Sage to SAGE 3.0.2 ?
Thank you
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On Wed, May 28, 2008 at 5:31 PM, Hobus [EMAIL PROTECTED] wrote:
How can I upgrade, my Sage to SAGE 3.0.2 ?
Which operating system are you using? Which version of Sage are you using?
William
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Hi, how can i upgrade to Sage 3.0.2? i have Ubuntu 8.04
Thak you
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On Wed, May 28, 2008 at 5:48 PM, Hobus [EMAIL PROTECTED] wrote:
Hi, how can i upgrade to Sage 3.0.2? i have Ubuntu 8.04
You can try typing
sage -upgrade
Assuming you have these standard ubuntu packages installed it is
very likely to work.
g++, make, m4, ranlib
Alternatively, just
On May 26, 3:04 am, Gaëtan Bisson [EMAIL PROTECTED] wrote:
Carl Witty wrote:
You need to explicitly use the field of fractions of R:
sage: R.a,b = QQ[]
sage: S.x = R.fraction_field()[]
sage: xgcd(x^2, a*x+b)
(b^2/a^2, 1, ((-1)/a)*x + b/a^2)
Thanks. Is it possible to do the same
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