On Tue, Aug 18, 2009 at 5:27 PM, William Steinwst...@gmail.com wrote:
On Tue, Aug 18, 2009 at 3:51 AM, Golam Mortuza
Hossaingmhoss...@gmail.com wrote:
Hi,
While testing new integral SFunction class for Sage,
I encountered this weird bug.
--
sage: f(x) = function('f',x)
sage:
Plotting algebraic curves == an application to pure math? Is that what
sympy is about?
factoring is used in simplifying expressions in an attempt to reformat
them for easier comprehension.
Factoring is used by solve in the obvious way to separate solutions
exactly.
Factoring is sometimes used
William Stein wrote:
Unless you can give a explanation of what you want integrating wrt x^2
to mean, I think we should also raise an error in Sage.
That would be unfortunate. Faced with some unrecognized construct,
the mathematical thing to do is to just leave it be. Whether it's
meaningful
On Tue, Aug 18, 2009 at 11:17 PM, rjffate...@gmail.com wrote:
Plotting algebraic curves == an application to pure math? Is that what
sympy is about?
we accept all reasonable patches to sympy, but my own need is in
physics and engineering. I don't need any algebraic curves at all, but
I also
On Tue, Aug 18, 2009 at 11:17 PM, Robert Dodierrobert.dod...@gmail.com wrote:
William Stein wrote:
Unless you can give a explanation of what you want integrating wrt x^2
to mean, I think we should also raise an error in Sage.
That would be unfortunate. Faced with some unrecognized
Hi Robert,
On Wed, Aug 19, 2009 at 4:46 PM, Robert
Bradshawrober...@math.washington.edu wrote:
On Aug 18, 2009, at 10:39 PM, Minh Nguyen wrote:
Hi folks,
Take a binary version of Sage 4.1.1 and do any of the following:
* make testoptional
* make testlong
* make ptest
* make
On Wed, Aug 19, 2009 at 2:56 PM, rjffate...@gmail.com wrote:
Let's see, in sage then you have the following syntax.
(x,y) means a list
Not at all. (x, y) is a tuple. [x, y] is a list.
f(x,y) means a function application
(x+y) means grouping for arithmetic.
RationalField(x) means,
On Aug 18, 2009, at 10:39 PM, Minh Nguyen wrote:
Hi folks,
Take a binary version of Sage 4.1.1 and do any of the following:
* make testoptional
* make testlong
* make ptest
* make ptestall
* make ptestlong
* make test
* make check
That feels like way to many commands that do
On Aug 18, 2009, at 9:56 PM, rjf wrote:
Let's see, in sage then you have the following syntax.
(x,y) means a list
Technically, a tuple (immutable, where as lists (using [] like
maxima) are mutable).
f(x,y) means a function application
That's pretty standard in mathematics and
On Jul 22, 9:23 pm, William Stein wst...@gmail.com wrote:
On Wed, Jul 22, 2009 at 2:19 PM, ghtdakgl...@tarbox.org wrote:
My primary problem is that the Sage subprocess is blocking forever on
the other side of the pipe when its not computing... Therefore, I
can't have a Sage sub-process
Pat LeSmithe wrote:
On Jul 22, 9:23 pm, William Stein wst...@gmail.com wrote:
On Wed, Jul 22, 2009 at 2:19 PM, ghtdakgl...@tarbox.org wrote:
My primary problem is that the Sage subprocess is blocking forever on
the other side of the pipe when its not computing... Therefore, I
can't have a
On Jul 22, 2009, at 11:12 AM, ghtdak wrote:
On Jul 21, 6:40 pm, Dr. David Kirkby david.kir...@onetel.net
wrote:
ghtdak wrote:
This thread has gotten long and there are many subjects embedded
within.
One of the problems I've had with the notebook implementation is
that
the sage
In Larry's second edition there is also a reference to a result I
proved while implementing the abelian_group() function for elliptic
curves over finite fields in Sage, which will appear in Journal de
Théorie des nombres de Bordeaux (joint with Drew Sutherland, see
On Wed, Aug 19, 2009 at 3:17 AM, Robert Dodierrobert.dod...@gmail.com wrote:
William Stein wrote:
Unless you can give a explanation of what you want integrating wrt x^2
to mean, I think we should also raise an error in Sage.
That would be unfortunate. Faced with some unrecognized
Hi,
On Tue, Aug 18, 2009 at 8:02 PM, Jason Groutjason-s...@creativetrax.com wrote:
Fredrik Johansson wrote:
Given we are moving to a new settings, I am proposing that we make
integration syntax bit stricter and consistent now. In particular, we allow
only
following inputs as valid
(1)
Hello Dave, hello Martin,
unfortunately, I didn't find the time to have a look at that the issue,
but
The Sage install makefile defines CXX to be g++ so no code should ignore that.
In order to obey this, the following lines should be added to
patch/custom.py:
---
try:
CC =
here is another report a problem message from the notebook
interface. It's not a bug (i think) but it gives insight in how Sage
is used and over what users stumble when using it for simple things.
--
This doesn't work:
var('k')
u = 1 + k
k = 1
u.n()
--
It is
Consider
integrate(f(x,y),x*y).
do you compute d(x*y) as x*dy+y*dx and computeintegrate(f(x)
*x,y) + integrate(f(x)*y,x)?
Here's another interpretation of variable = x^2...
integrate(f(x),x^2) = integrate(integrate(f(x),x),x).
that is, an iterated integral. This is like
(d ^2
Nathann Cohen wrote:
Hello everybody !!!
I have been working with graphs in Sage for some time now, and I have
a few remarks about how labels are defined in Graphs ( I may be wrong
as I do not think I know ALL about graphs in Sage, so please tell me
when I'm wrong ) :
- Vertices do not
Hi!
On Aug 19, 3:53 pm, rjf fate...@gmail.com wrote:
Consider
integrate(f(x,y),x*y).
do you compute d(x*y) as x*dy+y*dx and compute integrate(f(x)
*x,y) + integrate(f(x)*y,x)?
Here's another interpretation of variable = x^2...
integrate(f(x),x^2) =
On Tue, Aug 18, 2009 at 11:00 PM, Ondrej Certikond...@certik.cz wrote:
On Tue, Aug 18, 2009 at 5:27 PM, William Steinwst...@gmail.com wrote:
On Tue, Aug 18, 2009 at 3:51 AM, Golam Mortuza
Hossaingmhoss...@gmail.com wrote:
Hi,
While testing new integral SFunction class for Sage,
I
On Aug 19, 2009, at 1:30 PM, William Stein wrote:
That's exactly what I meant. I was just being very sloppy because I
was in a hurry. The point is that int f(x) d(x^2) = int f(x) 2 x
dx seems very reasonable.We could easily make Sage use this
interpretation even though Maxima
On Aug 19, 2009, at 1:59 PM, William Stein wrote:
MATHEMATICA:
In[1]:= u := 1 + k; u
Out[1]= 1 + k
In[2]:= k := 1;
In[3]:= u
Out[3]= 2
MAPLE:
u := 1+k;
u := 1 + k
u;
1 + k
k := 1;
flamebait The computer scientist in me just can't believe Maple and
Mathematica are designed that way. It's just sad. /flamebait
This is merely dynamic versus lexical scope. When you need dynamic
scope, it's not easy to fake it. Of course, most of the time, you
don't need it and in fact
Hi,
On Wed, Aug 19, 2009 at 2:30 PM, William Steinwst...@gmail.com wrote:
On Tue, Aug 18, 2009 at 11:00 PM, Ondrej Certikond...@certik.cz wrote:
well, I would interpret it differently:
int f(x) d(x^2) = int f(x) 2 x dx
= 2 integrate(x*f(x),x)
That's exactly what I
On Wed, 19 Aug 2009, Simon King wrote:
Hi Robert,
On 19 Aug., 22:43, Robert Bradshaw rober...@math.washington.edu
wrote:
Is u.subs(globals()) good enough?
You mean like this:
sage: u=1+x
sage: x=1
sage: u.subs(globals())
Traceback (most recent call last):
...
TypeError: no
On Aug 19, 8:56 pm, Nick Alexander ncalexan...@gmail.com wrote:
This is merely dynamic versus lexical scope. When you need dynamic
scope, it's not easy to fake it. Of course, most of the time, you
don't need it and in fact don't want it :)
Yes, my proposal was to introduce a new
Hi Robert,
On 19 Aug., 22:43, Robert Bradshaw rober...@math.washington.edu
wrote:
Is u.subs(globals()) good enough?
You mean like this:
sage: u=1+x
sage: x=1
sage: u.subs(globals())
Traceback (most recent call last):
...
TypeError: no canonical coercion from type 'str' to Symbolic Ring
sage:
Dear category fans,
David Kohel won't be available in the next two weeks for working on
the category review. Is there any volunteer for reviewing (some of
the) 40 categories listed under his name on:
http://sagetrac.org/sage_trac/wiki/CategoriesCategoriesReview
The files are
On Wed, Aug 19, 2009 at 1:19 AM, Robert
Bradshawrober...@math.washington.edu wrote:
Multithreading will have to be introduced at one
level or another to scale the notebook to more than a single
processor anyways.
- Robert
Huh? Why? I don't see any need for multithreading to solve the
On Wed, 19 Aug 2009, William Stein wrote:
On Wed, Aug 19, 2009 at 1:19 AM, Robert
Bradshawrober...@math.washington.edu wrote:
Multithreading will have to be introduced at one
level or another to scale the notebook to more than a single
processor anyways.
- Robert
Huh? Why? I don't
2009/8/19 Robert Bradshaw rober...@math.washington.edu:
On Wed, 19 Aug 2009, William Stein wrote:
On Wed, Aug 19, 2009 at 1:19 AM, Robert
Bradshawrober...@math.washington.edu wrote:
Multithreading will have to be introduced at one
level or another to scale the notebook to more than a
On Wed, 19 Aug 2009, William Stein wrote:
2009/8/19 Robert Bradshaw rober...@math.washington.edu:
On Wed, 19 Aug 2009, William Stein wrote:
On Wed, Aug 19, 2009 at 1:19 AM, Robert
Bradshawrober...@math.washington.edu wrote:
Multithreading will have to be introduced at one
level or
Can these be posted to the wiki somewhere?
On Wed, Aug 19, 2009 at 6:04 PM, Robert Millerrlmills...@gmail.com wrote:
Hello all,
For those of you not in Seattle today / not at Chris's talk at the
Sage seminar, here is a copy of his slides.
-- Forwarded message --
From:
Hi Robert,
On Thu, Aug 20, 2009 at 8:04 AM, Robert Millerrlmills...@gmail.com wrote:
Hello all,
For those of you not in Seattle today / not at Chris's talk at the
Sage seminar, here is a copy of his slides.
The talk slides are up at the talks wiki page
http://wiki.sagemath.org/Talks
2009/8/19 Minh Nguyen nguyenmi...@gmail.com:
Hi folks,
Today, I borrowed a copy of L.C. Washington's book Elliptic Curves:
Number Theory and Cryptography, 2nd edition. And it's good to know
that Sage appears in its own section within an appendix of that book.
The section is about using
Hi David,
On Thu, Aug 20, 2009 at 9:55 AM, David Joynerwdjoy...@gmail.com wrote:
Can these be posted to the wiki somewhere?
See this talks wiki page
http://wiki.sagemath.org/Talks
--
Regards
Minh Van Nguyen
--~--~-~--~~~---~--~~
To post to this group, send
Thanks Minh!
On Wed, Aug 19, 2009 at 7:58 PM, Minh Nguyennguyenmi...@gmail.com wrote:
Hi David,
On Thu, Aug 20, 2009 at 9:55 AM, David Joynerwdjoy...@gmail.com wrote:
Can these be posted to the wiki somewhere?
See this talks wiki page
http://wiki.sagemath.org/Talks
--
Regards
Minh
On Wed, Aug 19, 2009 at 3:17 AM, Robert Dodierrobert.dod...@gmail.com wrote:
William Stein wrote:
Unless you can give a explanation of what you want integrating wrt x^2
to mean, I think we should also raise an error in Sage.
That would be unfortunate. Faced with some unrecognized
2009/8/19 Robert Bradshaw rober...@math.washington.edu:
On Wed, 19 Aug 2009, William Stein wrote:
2009/8/19 Robert Bradshaw rober...@math.washington.edu:
On Wed, 19 Aug 2009, William Stein wrote:
On Wed, Aug 19, 2009 at 1:19 AM, Robert
Bradshawrober...@math.washington.edu wrote:
2009/8/19 Golam Mortuza Hossain gmhoss...@gmail.com:
Hi,
On Wed, Aug 19, 2009 at 2:30 PM, William Steinwst...@gmail.com wrote:
On Tue, Aug 18, 2009 at 11:00 PM, Ondrej Certikond...@certik.cz wrote:
well, I would interpret it differently:
int f(x) d(x^2) = int f(x) 2 x dx
Robert Miller wrote:
Hello all,
For those of you not in Seattle today / not at Chris's talk at the
Sage seminar, here is a copy of his slides.
Thanks! (and thanks, Chris, if you are listening too).
Some comments/questions:
1. What did Chris use to draw the graphs on page 48? The
Robert Bradshaw wrote:
Not surprising. Also, I forgot about the GIL, which truely limits the
performance benifits of threading in Python. If anything ever kills
Python, I bet it'll be the GIL (but I'm hopeful that it'll get removed
before it causes an untimely death...)
Has anyone here
Hi Nathann (cc: sage-devel),
I've noticed that including cliquer in Sage is unpleasant for some
people, e.g., me.
http://trac.sagemath.org/sage_trac/ticket/6746
and
http://trac.sagemath.org/sage_trac/ticket/6681
For example, I just upgraded Sage on my 64-bit OS X laptop, and I'm
not happened
Hi William,
On Thu, Aug 20, 2009 at 3:20 PM, William Steinwst...@gmail.com wrote:
Hi Nathann (cc: sage-devel),
I've noticed that including cliquer in Sage is unpleasant for some
people, e.g., me.
http://trac.sagemath.org/sage_trac/ticket/6746
and
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