This is now trac ticket #2946.
-MH
On Apr 17, 4:02 pm, Marshall Hampton <[EMAIL PROTECTED]> wrote:
> In Sage-2.11, jordan_form seems to crash on nilpotent matrices. For
> example:
>
> sage: nil = matrix(QQ,2,2,[[0,1],[0,0]])
> sage: nil.jordan_form()
>
> gives:
>
> Traceback (most recent call l
In Sage-2.11, jordan_form seems to crash on nilpotent matrices. For
example:
sage: nil = matrix(QQ,2,2,[[0,1],[0,0]])
sage: nil.jordan_form()
gives:
Traceback (most recent call last):
File "", line 1, in
File "/Volumes/D/sage-2.8.4.1/sage_notebook/worksheets/mh/78/code/
100.py", line 6, i
On Thu, Apr 17, 2008 at 11:53 AM, William Stein <[EMAIL PROTECTED]> wrote:
[...]
> In Sage the function is show_identifiers().
[...]
Oh, I misunderstood the question then... my bad. Thanks William,
--
Hector
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Kirill,
I just want to mention that I'm sure this is some
sort of dumb problem with the Sage/Pari interface
and how we're using it. I haven't forgot your problem
though I haven't replied -- I've just been very
busy the last two days.
-- William
On Thu, Apr 17, 2008 at 4:58 AM, Kirill Vankov <
On Thu, Apr 17, 2008 at 9:48 AM, Reckoner <[EMAIL PROTECTED]> wrote:
>
> In matlab, if you type
>
> >> whos
>
> you will get a list of all the variables defined in the workspace
> along with their sizes and other descriptive info.
>
> anything similar in the SAGE notebook interface?
>
> Than
There is also a group at Bard that wants to see posets implemented.
All these efforts should be coordinated...
On Apr 17, 9:38 am, kcrisman <[EMAIL PROTECTED]> wrote:
> On Apr 17, 11:03 am, Carl Witty <[EMAIL PROTECTED]> wrote:
>
>
>
> > On Apr 17, 6:03 am, kcrisman <[EMAIL PROTECTED]> wrote:
>
>
On Thu, Apr 17, 2008 at 10:48 AM, Reckoner <[EMAIL PROTECTED]> wrote:
>
> In matlab, if you type
>
> >> whos
>
> you will get a list of all the variables defined in the workspace
> along with their sizes and other descriptive info.
>
> anything similar in the SAGE notebook interface?
>
> Tha
In matlab, if you type
>> whos
you will get a list of all the variables defined in the workspace
along with their sizes and other descriptive info.
anything similar in the SAGE notebook interface?
Thanks in advance.
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On Apr 17, 11:03 am, Carl Witty <[EMAIL PROTECTED]> wrote:
> On Apr 17, 6:03 am, kcrisman <[EMAIL PROTECTED]> wrote:
>
> > However, what I really want is to be able to do this dynamically and
> > to have the output be an "ordered set". Maybe an example would be
> > that I might want to list dif
On Apr 17, 6:03 am, kcrisman <[EMAIL PROTECTED]> wrote:
> However, what I really want is to be able to do this dynamically and
> to have the output be an "ordered set". Maybe an example would be
> that I might want to list different orders of operations, so that
> object A="exponentiation>multipl
Alright, it wasn't meant in a negative way. I thought there was a URL for
the transition and you'd point me there. But it's alright if you do it like
this :)
On Thu, Apr 17, 2008 at 4:51 PM, Harald Schilly <[EMAIL PROTECTED]>
wrote:
>
> On Thu, Apr 17, 2008 at 4:48 PM, Fabio Tonti <[EMAIL PROTEC
On Thu, Apr 17, 2008 at 4:48 PM, Fabio Tonti <[EMAIL PROTECTED]> wrote:
> Just a quick remark: since the search is beta, where's the old one?
the new one is already bigger and better than the old one and things
like this are a good opportunity for feedback. This one e.g. already
includes external
Just a quick remark: since the search is beta, where's the old one?
On Thu, Apr 17, 2008 at 4:36 PM, Jason Grout <[EMAIL PROTECTED]>
wrote:
>
> Harald Schilly wrote:
> > Hi
> >
> > A friend of mine want's to manipulate pictures (bitmap, in color).
> > Basically, he want's to load and then represe
Harald Schilly wrote:
> Hi
>
> A friend of mine want's to manipulate pictures (bitmap, in color).
> Basically, he want's to load and then represent them as a binary
> vector in Sage and then encode them using linear codes ->
> manipulations (errors) -> then back to an image and see how good the
>
I think, plotting is not his main problem. He want's to manipulate the
data on a basic level.
On Apr 17, 4:10 pm, "David Joyner" <[EMAIL PROTECTED]> wrote:
> BTW, since you are the author of the SAGE search function
> ... Maybe the wikipedia hits should have a lower
> weight somehow?
Yes, I'm aw
This does not answer your question but might help your friend.
The command matrix_plot (eg, "sage: matrix_plot(random_matrix(GF(389),
10), cmap='Oranges')")
might be a simpler function to use if he just wants to test how good
the linear code works on an "image".
BTW, since you are the author of t
In my second example there were not enough coefficients defined in
pari_precode. Even though SAGE indicates the need of 72 of them I had
to give about 150. It works now and the result coincides with direct
summation of the L-series.
sage: L = Dokchitser(conductor=1, gammaV=[-11,-10,0,1], weight
Here is some update. Looks like it is a problem in passing
pari_precode value into GP interpreter. The random input (like a
syntax error) gives the same error message. I avoided using two
functions replacing tau by a table, now the code works in SAGE. It is
not clear though in advance how many
On Apr 17, 8:16 am, Harald Schilly <[EMAIL PROTECTED]> wrote:
> On Apr 17, 1:08 pm, kcrisman <[EMAIL PROTECTED]> wrote:
>
> > The point is that I'm not sure how to tell elements that they
> > are greater than each other without defining a new class with _cmp_ or
> > something, which would be th
On Apr 17, 1:08 pm, kcrisman <[EMAIL PROTECTED]> wrote:
> The point is that I'm not sure how to tell elements that they
> are greater than each other without defining a new class with _cmp_ or
> something, which would be the opposite of my goal of being able to
> dynamically assign an ordering to
Hi
A friend of mine want's to manipulate pictures (bitmap, in color).
Basically, he want's to load and then represent them as a binary
vector in Sage and then encode them using linear codes ->
manipulations (errors) -> then back to an image and see how good the
code worked.
The one thing I don't
On Apr 17, 4:29 am, Dan Drake <[EMAIL PROTECTED]> wrote:
> On Wed, 16 Apr 2008 at 09:22PM -0700, Mike Hansen wrote:
> > What do you want to do with posets?
Hmm, well for now I'd be happy with the ability to place an arbitrary
set of strings (or other Sage objects) into a total ordering, I guess
I can confirm that 2.10.4 builds with 512MB of RAM - but then I
upgraded GCC to 4.3 so cannot say anything about 2.11
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On Wed, 16 Apr 2008 at 09:22PM -0700, Mike Hansen wrote:
> What do you want to do with posets?
I'd like posets too. What I want is to have a bunch of objects, and
define a poset with them...I want to provide a "<" function and then
have the poset code list all elements <= a given element, in an
in
For the record, I am able to successfully (if slowly) build Sage on my
aging laptop with 512MB of RAM. So it seems that the critical value
is somewhere between 256 and 512.
On the other hand I'm not sure that I have actually done this since
about 2.9 and it gets bigger (and better!) with each re
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