On 22 Mai, 00:12, Robert Bradshaw
wrote:
> Try working a multivariate ring rather than a tower of univariate
> rings, e.g. ...
... which suggests the question why Sage does not automatically
transform a tower of polynomial rings into a single ring -- for
efficiency, and in order to avoid weird
On May 21, 2010, at 2:53 PM, Alex P wrote:
Hi all,
I tried the following code in SAGE and it seems that it is taking way
too long
--
| Sage Version 4.3.4, Release Date: 2010-03-19 |
| Type notebook() for t
Hi all,
I tried the following code in SAGE and it seems that it is taking way
too long
--
| Sage Version 4.3.4, Release Date: 2010-03-19 |
| Type notebook() for the GUI, and license() for information.
When tabbing out some ? help in the notebook, this thing comes up
which I can pop out. But when I do it, it isn't very useful; I can
just move it around (only inside the browser window), but it doesn't
seem to be printable (although it mentions that it's not printed). Am
I missing something? I
On Friday, May 21, 2010, TimP wrote:
> I tried your approach--and Firefox has never liked the suggested
> 'numerical' URLs that have been mentioned in SAGE releases. BUT--I
> rediscovered the online use of SAGE at http://www.sagenb.org. I had
> apparently tried it out before I started practicing
Above mentioned modules doesn't work in newer versions of python i
guess?
Has their name only changed or what other modules should i use so that
i
could translate in Sage older python code with those modules ?
Also, i have a piece of code below that doesn't work anymore.
Old python also. Isn't the
Hi Alasdair,
On Thu, 20 May 2010 18:56:59 -0700 (PDT)
Alasdair wrote:
> sage: diff(gamma(x))
> gamma(x)*psi(x)
> sage: psi(1)
>
> NameError: name 'psi' is not defined
>
> Now is that cheeky or what - Sage giving an answer with a function
> which is "not defined"!
This was fixed a while ago,
PS:
On May 21, 10:05 am, Simon King wrote:
[snip]
> So, naively, my first guess was that the Gamma function is known as
> Gamma to Sage.
The latex name is in fact upper case:
sage: latex(gamma(x))
\Gamma\left(x\right)
> So, if you want to work with "psi", whatever this is, then define it!
Hi!
On May 21, 2:56 am, Alasdair wrote:
> sage: diff(gamma(x))
> gamma(x)*psi(x)
> sage: psi(1)
>
> NameError: name 'psi' is not defined
>
> Now is that cheeky or what - Sage giving an answer with a function
> which is "not defined"!
Probably I am painting a bike shed here, and some people may
As a Research Forester/Statistician I have had to deal with
sophisticated math issues for my whole career (and even more so now
that I am retired (and still working). My/our work was limited by the
lack of 'affordable' math packages available to use. You'd be amazed
at what an applied statisticia
I tried your approach--and Firefox has never liked the suggested
'numerical' URLs that have been mentioned in SAGE releases. BUT--I
rediscovered the online use of SAGE at http://www.sagenb.org. I had
apparently tried it out before I started practicing with SAGE on my
computer, because it had an o
I'm a sage newbie. I have installed virtualbox and followed the
installation instructions regarding importing the appliance into Virtualbox.
Virtualbox does not import sage however. My experiences have been the same
as Matthew Chan. I am running Vista.
Regards
Barrti
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