> I'm trying to do something which I haven't seen any examples so far :
> symbolic convolution. I know I can use lists or Piecewise defined
> functions to do a convolution, but here my interest is the symbolic
> solution.
Just to encourage you, this would be great if we had it, so keep
trying and
Hey,
On Wed, Dec 23, 2009 at 3:57 AM, Kjetil Halvorsen wrote:
> Responding myself ... while the notebook is very nice, something is
> strange. I give the command
> search_doc("trigonometry")
> and up comes some links to help files. Then i click on one of them, and
> the file comes up, BUT IT TAKE
On Dec 21, 9:04 am, Jason Grout wrote:
> Mike Witt wrote:
> > Is there a way to control the default number of "display digits." In
> > other words, suppose I have something like e^k and k ends up taking on
> > the value (1.23*10^-12)*t. Then when I display this, either with print
> > or by taking
Hi all!
I'm trying to do something which I haven't seen any examples so far :
symbolic convolution. I know I can use lists or Piecewise defined
functions to do a convolution, but here my interest is the symbolic
solution.
To illustrate an example, I would like to make a function that would
do som
Pablo Angulo wrote:
>> I don't use Linux, so I don't know the syntax for the firewall. But any
>> half-reasonable firewall will allow you to open only a specific port.
> I'd rather allow the host to communicate only with the sage server using
> a filter for the ip.
>
> Almost any linux distro has
William Stein wrote:
cd /home/someuser
su - someuser /home/someuser/sage-4.2/sage &
>>> That's a good idea.
>> Does the password less ssh login offer any advantages over that?
>>
>
> Huge! It means the worksheet processes are a different user (on a
> different computer if you want
> I don't use Linux, so I don't know the syntax for the firewall. But any
> half-reasonable firewall will allow you to open only a specific port.
I'd rather allow the host to communicate only with the sage server using
a filter for the ip.
Almost any linux distro has iptables installed, and it's v
On Tue, 22 Dec 2009 10:26:41 -0800 (PST), "rvaug...@gmail.com"
wrote:
>
> However: I'm obviously not crazy about running
> my machine w/ the firewall disabled.
> Is there a way to config the firewall such that
> the firewall is enabled AND Sage can be run remotely?
> Possibly specify WWW (HTTP)
On Tue, Dec 22, 2009 at 12:24 PM, Dr. David Kirkby
wrote:
> William Stein wrote:
>> On Tue, Dec 22, 2009 at 11:06 AM, Dr. David Kirkby
>> wrote:
>>> I see in the
>>>
>>> help(notebook)
>>>
>>> that one can have a list of accounts where password less ssh is permitted.
>>> (i.e.
>>> accounts which
William Stein wrote:
> On Tue, Dec 22, 2009 at 11:06 AM, Dr. David Kirkby
> wrote:
>> I see in the
>>
>> help(notebook)
>>
>> that one can have a list of accounts where password less ssh is permitted.
>> (i.e.
>> accounts which have entries in /etc/passwd)
>>
>> How do those unix accounts relate
Hola!
I am still learning sage, and find the documentation usefull, but some
questions I can't find the answer there...
When I have got an expression xontaining exponentials, and I can
recognice the elements of the exponential form
for sin, cos, etc, how can I get that automatically in trigonometr
Responding myself ... while the notebook is very nice, something is
strange. I give the command
search_doc("trigonometry")
and up comes some links to help files. Then i click on one of them, and
the file comes up, BUT IT TAKES a very long time --- much longer than loading
link on the web! that is s
On Tue, Dec 22, 2009 at 11:06 AM, Dr. David Kirkby
wrote:
> I see in the
>
> help(notebook)
>
> that one can have a list of accounts where password less ssh is permitted.
> (i.e.
> accounts which have entries in /etc/passwd)
>
> How do those unix accounts relate to an Sage account set up by a use
Dear Sage support,
I just had got a very strange error message. I had problems to do some
factorisation in a multi-polynomial ring. It took too long, so I
interrupted it with Ctrl-C.
Later, another factorisation was attempted, but sage (version 4.2.1)
was immediately leaving. Its last words:
co
I see in the
help(notebook)
that one can have a list of accounts where password less ssh is permitted.
(i.e.
accounts which have entries in /etc/passwd)
How do those unix accounts relate to an Sage account set up by a user?
If I create accounts on a unix system sage1, sage2 ... sage 10, and 1
On Tue, Dec 22, 2009 at 10:26 AM, rvaug...@gmail.com wrote:
> First of all, thanks *very much* for all the help with this.
> It is greatly appreciated.
>
> I just got it to work remotely after disabling the firewall
> on the machine running Sage and then re-booting.
> That is considerable progress
On Tue, Dec 22, 2009 at 10:26 AM, rvaug...@gmail.com wrote:
> First of all, thanks *very much* for all the help with this.
> It is greatly appreciated.
>
> I just got it to work remotely after disabling the firewall
> on the machine running Sage and then re-booting.
> That is considerable progress
rvaug...@gmail.com wrote:
> First of all, thanks *very much* for all the help with this.
> It is greatly appreciated.
>
> I just got it to work remotely after disabling the firewall
> on the machine running Sage and then re-booting.
> That is considerable progress.
>
> However: I'm obviously not
First of all, thanks *very much* for all the help with this.
It is greatly appreciated.
I just got it to work remotely after disabling the firewall
on the machine running Sage and then re-booting.
That is considerable progress.
However: I'm obviously not crazy about running
my machine w/ the fire
First of all, thanks *very much* for all the help with this.
It is greatly appreciated.
I just got it to work remotely after disabling the firewall
on the machine running Sage and then re-booting.
That is considerable progress.
However: I'm obviously not crazy about running
my machine w/ the fire
First of all, thanks *very much* for all the help with this.
It is greatly appreciated.
I just got it to work remotely after disabling the firewall
on the machine running Sage and then re-booting.
That is considerable progress.
However: I'm obviously not crazy about running
my machine w/ the fire
On Tue, Dec 22, 2009 at 9:45 AM, Marshall Hampton wrote:
> Perhaps it would work to do:
>
> sage: notebook(address="",open_viewer=False, secure = True)
>
> and then use
>
> https://128.N.NN.NNN:8000/
>
> instead of http. But William understands these issues better than
> I.
If the OP has a firew
On Tue, Dec 22, 2009 at 9:11 AM, rvaug...@gmail.com wrote:
>> You are doing everything right on generic system without a firewall.
>> Maybe your remote system has a firewall or something.
>
> By "remote system" you mean the 'client',
> ie, *not* the machine on which Sage is running?
By remote sys
Perhaps it would work to do:
sage: notebook(address="",open_viewer=False, secure = True)
and then use
https://128.N.NN.NNN:8000/
instead of http. But William understands these issues better than
I.
-M. Hampton
On Dec 22, 11:11 am, "rvaug...@gmail.com" wrote:
> > You are doing everything rig
Minh Nguyen wrote:
> Hi Kjetil,
>
> On Wed, Dec 23, 2009 at 3:51 AM, Kjetil Halvorsen
> wrote:
>> subject says it all!!
>
> If m is a matrix, you could do "m.exp?" to get help on matrix
> exponential. You could do m.exp() or exp(m):
And here's a ticket for making e^m work too:
http://trac.sa
> You are doing everything right on generic system without a firewall.
> Maybe your remote system has a firewall or something.
By "remote system" you mean the 'client',
ie, *not* the machine on which Sage is running?
On Dec 22, 11:56 am, William Stein wrote:
> On Tue, Dec 22, 2009 at 6:55 AM, r
Hi Kjetil,
On Wed, Dec 23, 2009 at 3:51 AM, Kjetil Halvorsen wrote:
> subject says it all!!
If m is a matrix, you could do "m.exp?" to get help on matrix
exponential. You could do m.exp() or exp(m):
--
| Sage Version 4.2.1, Rel
some exponentials exist:
sage: M = matrix(SR,2,[1,0,3,x])
sage: M.exp()
[ e0]
[-3*(e - e^x)/(x - 1) e^x]
sage: M = matrix(CDF,2,[1+i,0,3,i])
sage: M.exp()
[ 1.46869393992 + 2.28735528718*I 0]
[ 2.78517490214
On Tue, Dec 22, 2009 at 6:55 AM, rvaug...@gmail.com wrote:
> OK, here's what I did and here's what happened.
>
> ssh'd to Sage server as normal (non-root) user, started sage. At sage
> prompt:
>
> sage: notebook(address="",open_viewer=False)
>
> This produced the output appended.
>
> Then, in a b
Hola!
Long ago I complaines that on my ubuntu 9.04 & sage 4.0
installation the notebook interface did'nt work. Now I have upgaraded
to ububtu 9.10 and sage 4.2, and everything works out of the box.
Thanks!
Kjetil
--
"... an entire human genome would fit on a music CD."
--- www.thinkgene.com
subject says it all!!
Kjetil
--
"... an entire human genome would fit on a music CD."
--- www.thinkgene.com
--
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Hi Nikos,
On Wed, Dec 23, 2009 at 2:38 AM, Nikos Apostolakis wrote:
> Is there a way to change this behaviour, so that as many
> elements as possible are displayed per line?
You could try using the print statement:
[mv...@sage mvngu]$ /scratch/mvngu/usr/bin/sage/sage
Hello,
when displaying a long list on the command line, sage displays one
item per line, and often this is not very convenient for quick
inspection. Is there a way to change this behaviour, so that as many
elements as possible are displayed per line?
TIA,
Nikos
--
To post to this group, send e
OK, here's what I did and here's what happened.
ssh'd to Sage server as normal (non-root) user, started sage. At sage
prompt:
sage: notebook(address="",open_viewer=False)
This produced the output appended.
Then, in a browser on a separate Linux machine,
I entered a URL of http://128.N.NN.NNN:8
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