Hi,
Does Sage have a command to get the mirror image matrix
[3,2,1]
[6,5,4]
from the matrix
[1,2,3]
[4,5,6]
? It seems not... Then is there a simple trick to do that? Of course,
I can do it in a long way...but... Thank you in advance.
Kwankyu
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It's worse. Ctrl-C does not work if you try when you got sick of
waiting.
Kwankyu
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On Jul 7, 2:21 am, dmharvey wrote:
> sage: R. = PolynomialRing(Integers(16219299585*2^16612 - 1))
>
> Maybe not literally forever, but I got sick of waiting. Should be
> instantaneous.
>
> david
When constructing a polynomial ring over Z/nZ sage distingishes
between prime modulus or not. Moreov
Hm... If you are just looking for a "trick", perhaps the following
line will suit your taste :-)
sage: m = Matrix([[1,2,3],[4,5,6]])
sage: m
[1 2 3]
[4 5 6]
sage: m2 = Matrix(map(list,map(reversed,m.rows(
sage: m2
[3 2 1]
[6 5 4]
I hope there is another solution though, as this requires t
2010-07-07 09:10, Kwankyu skrev:
Does Sage have a command to get the mirror image matrix
[3,2,1]
[6,5,4]
from the matrix
[1,2,3]
[4,5,6]
Like this?
sage: m = Matrix([[1,2,3],[4,5,6]])
sage: m
[1 2 3]
[4 5 6]
sage: m2 = m[::, ::-1]
sage: m2
[3 2 1]
[6 5 4]
/ johan
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To post to this gr
Hi!
On 7 Jul., 09:48, luisfe wrote:
> ...
> So, the
> time in constructing the PolynomialRing is in fact checking if
> 16219299585*2^16612 - 1 is a proven prime.
... which means that the user should be given the opportunity to
*assert* that the number is prime (or non-prime).
Cheers,
Simon
--
ah, thanks - I know about r.tab, well - most of it are R commands, the
issue is that I didn't found those sage specific ones - it would help
if at least list of modified commands would appear in "r?" docstrings.
Anyway, is r.set working? I used:
sage: r.ls()
character(0)
sage: r.set('y', r([1,2,3]
On Wed, 7 Jul 2010 01:56:29 -0700 (PDT), Simon King
wrote:
> On 7 Jul., 09:48, luisfe wrote:
> > ...
> > So, the
> > time in constructing the PolynomialRing is in fact checking if
> > 16219299585*2^16612 - 1 is a proven prime.
>
> ... which means that the user should be given the opportunity to
Hi Nathann and Johan,
Thank you for the tips.
Kwankyu
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Dear Sage list-members,
For those interested in computational neuroscience and the Neuron
simulation environment; next 13 Nov an initiation course about Neuron
using SAGE will be hold in San Diego. The course will be use SAGE as
interface to access the different scientific Python packages and
On Jul 7, 4:56 am, Simon King wrote:
> Hi!
>
> On 7 Jul., 09:48, luisfe wrote:
>
> > ...
> > So, the
> > time in constructing the PolynomialRing is in fact checking if
> > 16219299585*2^16612 - 1 is a proven prime.
>
> ... which means that the user should be given the opportunity to
> *assert* th
On Jul 7, 5:02 am, Andrzej Giniewicz wrote:
> ah, thanks - I know about r.tab, well - most of it are R commands, the
> issue is that I didn't found those sage specific ones - it would help
> if at least list of modified commands would appear in "r?" docstrings.
> Anyway, is r.set working? I used
Hi,
> Note the following in
>
> sage: r.set?
>
> Definition: r.set(self, var, value)
> Docstring:
> Set the variable var in R to what the string value evaluates to
> in
> R.
>
> INPUT:
> var -- a string value -- a string
>
> EXAMPLES:
> sage: r.set('a'
On 7/7/10 1:26 AM, Johan Grönqvist wrote:
2010-07-07 09:10, Kwankyu skrev:
Does Sage have a command to get the mirror image matrix
[3,2,1]
[6,5,4]
from the matrix
[1,2,3]
[4,5,6]
Like this?
sage: m = Matrix([[1,2,3],[4,5,6]])
sage: m
[1 2 3]
[4 5 6]
sage: m2 = m[::, ::-1]
sage: m2
[3 2 1]
On Jul 7, 2010, at 00:15 , Kwankyu wrote:
It's worse. Ctrl-C does not work if you try when you got sick of
waiting.
Actually, Ctrl-C does work, but it takes "forever" to register -
perhaps until it's finished some part of the "proof" of primality
mentioned earlier in the thread.
I let i
David,
I've posted the code to
http://trac.sagemath.org/sage_trac/ticket/9206
which is now ready for review. Alas, it does not address your bug,
though it is similar in spirit.
William
On Wed, Jul 7, 2010 at 9:28 PM, William Stein wrote:
> On Wed, Jul 7, 2010 at 4:39 PM, David Harvey wrot
Hi,
I have finally managed to try out Sage seriously after a long time
wanting to (and with intermediate-level Python experience). In general
it's really rather amazing, thanks to all involved!
I have come across what -- to me -- seems at least incongruous, when
substituting variables.
I am using
Hi,
[I am using 'Sage Version 4.4.4, Release Date: 2010-06-23', downloaded
a couple of days ago as the Ubuntu 10.04 binary package, used in
Kubuntu 10.04.]
I am just starting out with Sage, and I am very impressed over all.
But after using it pretty intensively for 2 days, I find that I have a
co
Hi,
[Using 'Sage Version 4.4.4, Release Date: 2010-06-23' on Kubuntu
10.04.]
The following seems like it must come up a lot, but I have not been
able to find an answer (apologies if I missed it somewhere).
I built a worksheet with several cells in the notebook, and then
wanted to try to run it o
On Jul 7, 2010, at 14:20 , David Sanders wrote:
Hi,
[Using 'Sage Version 4.4.4, Release Date: 2010-06-23' on Kubuntu
10.04.]
The following seems like it must come up a lot, but I have not been
able to find an answer (apologies if I missed it somewhere).
I built a worksheet with several cells
Hi,
[Using 'Sage Version 4.4.4, Release Date: 2010-06-23' on Kubuntu
10.04]
I have just started using Sage, mainly using the notebook interface,
which on the whole is excellent and impressive!
I started out by trying the new interface "Cantor", which is very
nice, but I found it to be too unstab
> > [Using 'Sage Version 4.4.4, Release Date: 2010-06-23' on Kubuntu
> > 10.04.]
>
> > The following seems like it must come up a lot, but I have not been
> > able to find an answer (apologies if I missed it somewhere).
>
> > I built a worksheet with several cells in the notebook, and then
> > wa
On 7 čnc, 22:55, David Sanders wrote:
> Hi,
>
> [I am using 'Sage Version 4.4.4, Release Date: 2010-06-23', downloaded
> a couple of days ago as the Ubuntu 10.04 binary package, used in
> Kubuntu 10.04.]
>
> I am just starting out with Sage, and I am very impressed over all.
> But after using it p
On 7 July 2010 22:40, David Sanders wrote:
> That doesn't work for me, since I want to import from the command line
> interface.
> So, as far as I can tell, I can't import the binary .sws worksheet
> file -- I need a plain Python script, or a "something.sage" file.
>
> So my more precise question
On Jul 7, 11:43 pm, "ma...@mendelu.cz" wrote:
> On 7 čnc, 22:55, David Sanders wrote:
>
>
>
> > Hi,
>
> > [I am using 'Sage Version 4.4.4, Release Date: 2010-06-23', downloaded
> > a couple of days ago as the Ubuntu 10.04 binary package, used in
> > Kubuntu 10.04.]
>
> > I am just starting out
On Wed, Jul 7, 2010 at 1:49 PM, David Sanders wrote:
> I now want to substitute eps=1, so I do
>
> a.subs(eps = 1)
>
> but the response is still 3*epsilon !
This is due to the way Python functions work. Basically, doing
a.subs(eps=1)
is the same as doing
a.subs(**{'eps': 1})
When you use key
Hi
[ Note this is the question Gap Undeposited Implementations; I
couldn't seem to reply to that discussion any more]
I'm using Sage 4.3.3 through the terminal. I'm trying to use the Braid
package written by K. Magaard for GAP. I would like to do everything
through Sage, but I'm getting the follow
> I built a worksheet with several cells in the notebook, and then
> wanted to try to run it on a remote computer using the command line
> interface. But I could not find a convincing way to export the
> worksheet to a simple text file that I could import directly to sage,
> i.e. a "something.sage
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