On Nov 8, 2008, at 22:07 , cesarnda wrote:
> can I program stuff in Sage, like the stuff I can program in prolog? I
> have programmed several prolog programs and I wish I could code them
> in Sage, for example, a program that having an input:
>
> P -> (Q -> P)
>
> its output is true.
No. Sag
I've started using sage 2 days ago. I wrote some long code and then I
found out that I don't know how to save it:(
I lost my work while trying to save it. So I need to write a program,
save it as a sage file, then run it from the command line. I need to
know how I can retrieve the code I write in
I guess you are running Sage from the command line?
Does http://www.sagemath.org/doc/tut/node36.html
help?
Sorry if I'm misunderstanding your question.
On Sun, Nov 9, 2008 at 9:47 AM, <[EMAIL PROTECTED]> wrote:
>
> I've started using sage 2 days ago. I wrote some long code and then I
> found o
GAP has a CharacterTable( ) for finite groups of lie type but in SAGE
it only works for permutation groups
and I didn't understant either if there's any nice way to evaluate
those characters at a specific given matrix.
Thanks
tincho
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To post
On Sun, Nov 9, 2008 at 10:29 AM, Martin Mereb <[EMAIL PROTECTED]> wrote:
>
> thank you so much
> it worked!!
David, Thanks!
Could you make a trac ticket about this and paste in
something that will make it easy for you or somebody
to add this functionality later?
William
>
> On Sun, Nov 9, 2008
On Sun, Nov 9, 2008 at 6:47 AM, <[EMAIL PROTECTED]> wrote:
>
> I've started using sage 2 days ago. I wrote some long code and then I
> found out that I don't know how to save it:(
> I lost my work while trying to save it. So I need to write a program,
> save it as a sage file, then run it from th
Hello I tried the folowing three links (from sage-devel) on my
computer as well as on sagenb.com
implicit_multiplication(True)
var('x')
3x^3 + 5x - 2
the result is not 3*x^3+5*x-2 as expected and also as reported sage-
deve, but:
line 6
Integer(3)x**_sage_const_3 + Integer(5)x - _sage_cons
On Sun, Nov 9, 2008 at 3:07 PM, William Stein <[EMAIL PROTECTED]> wrote:
> On Sun, Nov 9, 2008 at 2:04 PM, Justin C. Walker <[EMAIL PROTECTED]> wrote:
>>
>> Hi,
>>
>> On Nov 9, 2008, at 13:27 , [EMAIL PROTECTED] wrote:
>>
>>> Hello I tried the folowing three links (from sage-devel) on my
>>> compu
it seems you have to add one to the index to get the value of the
character at the given conjugacy class
On Sun, Nov 9, 2008 at 2:10 PM, William Stein <[EMAIL PROTECTED]> wrote:
>
> On Sun, Nov 9, 2008 at 10:29 AM, Martin Mereb <[EMAIL PROTECTED]> wrote:
>>
>> thank you so much
>> it worked!!
>
>
>
> I'm using sage 3.1.4 on windows vista.
>
I know that I should create a file with content the function that i want
to implement and then use the load command from the command line to run it.
how do we create this file and where do we have to save it?
thank you in advance
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Does this do it?
sage: G = GL(2,7)
sage: z = G.center().an_element()
sage: reps = [x.Representative() for x in gap(G).ConjugacyClasses()]
sage: reps.index(gap(z))
8
sage: table = gap(G).CharacterTable().Irr()
sage: chi = table[2]
sage: chi[8]
1
On Sun, Nov 9, 2008 at 12:58 PM, Martin Mereb <[EM
Hi all:
Is there Sage function that computes Taylor expansions for
multivariate functions?
Alex
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For more option
thank you so much
it worked!!
On Sun, Nov 9, 2008 at 12:27 PM, David Joyner <[EMAIL PROTECTED]> wrote:
>
> Yes, I'll try to implement that in a future version.
> Thanks for the suggestion.
>
>
> On Sun, Nov 9, 2008 at 1:15 PM, Martin Mereb <[EMAIL PROTECTED]> wrote:
>>
>> probably, I'll check it
On Sun, Nov 9, 2008 at 2:04 PM, Justin C. Walker <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> On Nov 9, 2008, at 13:27 , [EMAIL PROTECTED] wrote:
>
>> Hello I tried the folowing three links (from sage-devel) on my
>> computer as well as on sagenb.com
probably, I'll check it in a second
but it is it possible to imlpement something like
chi(Z)
or chi.eval(Z) or something like that?
or making the CharachterTable function available for groups in SAGE, like GL
not only the permutationgroups, as GAP does?
(like.. in a future)
On Sun, Nov 9, 2008 at
Done. It's http://trac.sagemath.org/sage_trac/ticket/4487
On Sun, Nov 9, 2008 at 3:10 PM, William Stein <[EMAIL PROTECTED]> wrote:
>
> On Sun, Nov 9, 2008 at 10:29 AM, Martin Mereb <[EMAIL PROTECTED]> wrote:
>>
>> thank you so much
>> it worked!!
>
> David, Thanks!
> Could you make a trac ticket
It might not be implemented but I'm not sure what you mean exactly.
You have database_gap-4.4.10 installed? What is the exact command
you cannot execute?
On Sun, Nov 9, 2008 at 12:17 PM, Martin Mereb <[EMAIL PROTECTED]> wrote:
>
> GAP has a CharacterTable( ) for finite groups of lie type but in
Hi,
On Nov 9, 2008, at 13:27 , [EMAIL PROTECTED] wrote:
> Hello I tried the folowing three links (from sage-devel) on my
> computer as well as on sagenb.com
>
> implicit_multiplication(True)
> var('x')
> 3x^3 + 5x - 2
>
> the result is not 3*x^3+5*x-2 as expected and also as reported sage-
> dev
Alex Raichev <[EMAIL PROTECTED]> writes:
> Hi all:
>
> Is there Sage function that computes Taylor expansions for
> multivariate functions?
If you are willing to install the optional fricas package:
sage: reset()
sage: X=axiom('x::TS FRAC INT')
sage: Y=axiom('y::TS FRAC INT')
sage: axiom._eval
Thanks Robert, it's exactly what I needed. It was so easy for you, I
guess.
:o)
On Nov 9, 12:28 am, Robert Bradshaw <[EMAIL PROTECTED]>
wrote:
> On Nov 8, 2008, at 7:52 PM, acardh wrote:
>
> > Hi,
> > Plotting an sphere is straightforward but I need help in how to draw
> > points on the sphere.
and, I almost forgot
THANK YOU VERY MUCH
On Sun, Nov 9, 2008 at 12:11 PM, David Joyner <[EMAIL PROTECTED]> wrote:
>
> Does this do it?
>
> sage: G = GL(2,7)
> sage: z = G.center().an_element()
> sage: reps = [x.Representative() for x in gap(G).ConjugacyClasses()]
> sage: reps.index(gap(z))
> 8
>
Yes, I'll try to implement that in a future version.
Thanks for the suggestion.
On Sun, Nov 9, 2008 at 1:15 PM, Martin Mereb <[EMAIL PROTECTED]> wrote:
>
> probably, I'll check it in a second
> but it is it possible to imlpement something like
> chi(Z)
> or chi.eval(Z) or something like that?
>
this is on the notebook of sagenb.org
G=GL(2,7)
Z=G.center().an_element()
it will be grat to evaluate every irreducible character at Z (for instance)
but:
1) G. has no "charactertable" funcion member
2) when I do
table=gap(G).CharacterTable().Irr()
g=gap(Z).Representative()
chi=table[2]
I don
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