Check out #7872, Jason!
On Jan 23, 11:59 am, Jason Grout wrote:
> Oscar Lazo wrote:
> > On 22 ene, 12:56, Thomas Scofield wrote:
> >> I have made an interactive notebook for help students understand the
> >> meaning of spherical coordinates. It is published at
>
> >> http://www.sagenb.org/
On Jan 25, 11:27 am, Gokhan Sever wrote:
> Hello,
>
> When I activate the "typeset" option on sagenb.org notebook server and
> get a result for this function:
>
> # Complete gamma function
>
> var('xi, t')
> assume(xi>0)
> integrate(t**(xi-1)*exp(-t), (t,0,oo))
>
> \newcommand{\Bold}[1]{\mathbf{
My quest to get sage running on a RHEL/CentOS 5.x x86_64 box
continues.
Tonight's episode, when trying to build scipy:
compile options: '-I/usr/local/sage/sage-4.3.1/local/lib/python2.6/
site-packages/numpy/core/include -I/usr/local/sage/sage-4.3.1/local/
include/python2.6 -c'
gcc: scipy/integrat
calcp...@aol.com wrote:
Ah, those were the days...
of archie, gopher, bitnet, uuencode, etc.
archie bunker!?
gopher? You are way ahead! uucp and family are breaking my heart :)
All that on 300 bps or as we said at the time 300 baud.
Or even 110 baud at the teletype. UNIX version 6, 1976!
Ah, those were the days...
of archie, gopher, bitnet, uuencode, etc.
HTH,
A. Jorge Garcia
http://calcpage.tripod.com
Teacher & Professor
Applied Mathematics, Physics & Computer Science
Baldwin Senior High School & Nassau Community College
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To post to this group, send email to sage-support@
calcp...@aol.com wrote:
Well, the internet does predate the web...
I can confirm. My e-mail addresses at that time looked like:
...!mcvax!coi!jaaps!jaap
...!mcvax!owoc!jaap
Hard to imagine nowadays: you had to know the exact route to the addressee.
jaaps was my machine at home. On a daily
I have a soft link in .sage:
/home/mike/.sage/sage-code -> /home/mike/Projects/Sage/sage-code/
Then I'll say: attach sage-code/whatever
and it would attach the file in
/home/mike/Projects/Sage/sage-code/whatever
In 4.3.1, this appears to still work from the command line, but not
from a noteb
I'm using a blog app attached to my website at tripod.com These blogs
each have different titles but are organized under different topics or
threads. Do I mention SAGE in the titles or do I make a SAGE
topic/threas?
Regards,
A. Jorge Garcia
http://calcpage.tripod.com
Teacher & Professor
Appl
On Mon, Jan 25, 2010 at 3:33 PM, Harald Schilly
wrote:
>
>
> On Jan 25, 11:43 pm, William Stein wrote:
>> On Mon, Jan 25, 2010 at 7:11 AM, wrote:
>
>> > However, I saw that SAGE is using CVXOPT 0.9 wheras the latest version is
>> > 1.1.2
>>
>> > Are you planning to upgrade that module ?
>
> CVX
and i forgot to say: in the sage notebook, you have to start all
cells with "%python" or switch to python mode, when you want to use
the python examples from the cvxopt website. otherwise it's confused
[maybe just turning of preparsing would help, too]
h
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On Jan 25, 11:43 pm, William Stein wrote:
> On Mon, Jan 25, 2010 at 7:11 AM, wrote:
> > However, I saw that SAGE is using CVXOPT 0.9 wheras the latest version is
> > 1.1.2
>
> > Are you planning to upgrade that module ?
CVXOPT is GPLv3+ , but we try to stay GPLv2+ ... so it's a licensing
iss
Hello,
When I activate the "typeset" option on sagenb.org notebook server and
get a result for this function:
# Complete gamma function
var('xi, t')
assume(xi>0)
integrate(t**(xi-1)*exp(-t), (t,0,oo))
\newcommand{\Bold}[1]{\mathbf{#1}}\gamma\left(\xi\right)
It gives me a nice gamma(xi) view. H
On Jan 25, 3:59 am, Harald Schilly wrote:
> On Jan 25, 12:39 am, gsever wrote:
>
> > It was my pleasure Harald.
>
> ;)
>
> And guess who just made it on that
> page:http://sagemath.org/library-stories.html
Thanks for making me famous :) (Put in my blog as well --
http://pycloud.blogspot.com/
Hi Burcin,
On Jan 25, 4:41 pm, Burcin Erocal wrote:
> ...
> In your example, (k1 + k2) is not a subexpression of f, so there is
> nothing to substitute.
In other words, (k1+k2)*2 is automatically turned into 2*k1+2*k2, but
(k1+k2)^2 is not turned into k1^2+2*k1*k2+k2^2 ?
Why?
Cheers,
Simon
--
Hi Stefan,
On Mon, 25 Jan 2010 06:49:55 -0800 (PST)
Ichnich wrote:
> there seems to be a bug in substitute:
>
> var('k1 k2 k3')
> f = (k1+k2)^2
> f.substitute(k1+k2==k3)
>
> gives k3^2 as expected.
>
> var('k1 k2 k3')
> f = (k1+k2)*2
> f.substitute(k1+k2==k3)
>
> gives 2*k1 + 2*k2. The same
On Jan 25, 1:34 pm, Harald Schilly wrote:
> > untarring seemed to work. Hm.
>
> yeahr, that's yet another issue with tar in general. you can always
> untar an uncompressed and incomplete tar file, because there is no
> checksum :(
Yes, but I could even build sage out of it!
Cheers,
Simon
--
To
Jason,
Thanks for the reply. Here's what I asked my students to do:
1. Open Firefox and from the Tools menu, choose Add-ons.
2. Click the Get Add-ons tab, search for Firebug, and install it.
There should now be a little bug in the lower-right corner of your
Firefox window.
3. Go to sagenb.org, l
Hello everyone,
there seems to be a bug in substitute:
var('k1 k2 k3')
f = (k1+k2)^2
f.substitute(k1+k2==k3)
gives k3^2 as expected.
var('k1 k2 k3')
f = (k1+k2)*2
f.substitute(k1+k2==k3)
gives 2*k1 + 2*k2. The same happens for +2 instead of *2.
Is there an alternative to do a substitution?
T
hmm ... something is not ok. just to make sure i've recreated the
metafile and the md5sum, but it seems that it is the same anyways. i
can only test it over here on my network, here it worked.
aria2c -V http://...metafile would do the verification.
On Jan 25, 12:49 pm, Simon King wrote:
> untarr
Jason Grout wrote:
Note that you can also get the matplotlib figure and use any matplotlib
commands to manipulate things, including changing the label text,
position, etc.
I made an example of using matplotlib to change the positions of axis
labels here: http://sagenb.org/home/pub/1413/
Dan Aldrich wrote:
Is there any flexibility on where axis labels are placed? I'd like to
see them under the x axis and vertically along the y. Seems like there
should be more than just axes_labels= tag.
The labels are done that way if you do frame=True.
The axis label positioning code starts
Hi!
On Jan 25, 11:19 am, Harald Schilly wrote:
>
> Do you remember from which server you have downloaded the metalink
> file?
I started at http://www.sagemath.org/download-source.html, then
proceeded via link to http://www.sagemath.org/mirror/metalinks.html
and there I picked the metalink to sag
Hi Harald,
On Jan 25, 10:53 am, Harald Schilly wrote:
> that's the second time that there is a problem with donwthemall - i'm
> not sure, i can only say that it worked for me with aria2.
I am in Galway since last June, but in spite of various attempts the
computer services here seem to be unable
On Jan 25, 10:48 am, Simon King wrote:
> I tried to download the sage 4.3.1 sources via Metalinks (using
> DownThemAll), but two attempts failed with a wrong check sum. What can
> I do?
I tried it myself (Linux/Firefox 3.5)
The DTA plugin seems to be a bit unreliable. First it was fast, 5 MB/
s,
that's the second time that there is a problem with donwthemall - i'm
not sure, i can only say that it worked for me with aria2.
you can verify&download corrupt parts with aria2 via the "-V" switch.
it might be also worth checking what's the md5 sum of your download
6c875ec11b93b390823a3f5532d0db44
On Jan 25, 12:39 am, gsever wrote:
> It was my pleasure Harald.
>
;)
And guess who just made it on that page:
http://sagemath.org/library-stories.html
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Hi!
I tried to download the sage 4.3.1 sources via Metalinks (using
DownThemAll), but two attempts failed with a wrong check sum. What can
I do?
Best regards,
Simon
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sage-support+
I tried again, this time with the newer sage-4.3.1 - and this time it
worked!
On Jan 20, 1:29 pm, Valter wrote:
> 1) I downloaded the source code from this link
>
> http://www.mirrorservice.org/sites/www.sagemath.org/src/sage-4.3.tar
>
> 2) I followed the steps indicated in the section "Steps to
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