21.03.2015 15:43, Shivam Vats wrote:
Hi
I've updated my proposal for Series expansion here GSoC Proposal
https://github.com/sympy/sympy/wiki/GSoC-2015-Application--Shivam-Vats
It is still a work in progress. I'd be glad if you could review it.
Regards
Shivam Vats
Hi, Shivam
I have
On 09.04.2014 10:00, farrokh...@gmail.com wrote:
I have gotten into trouble with sympy installation on my PC. I wanna to
install it on win 7 64 bit with python 2.6.2 amd 64 but I get the following
error:
Traceback (most recent call last):
File
On 07.04.2014 21:35, Björn Dahlgren wrote:
On Monday, 7 April 2014 19:25:59 UTC+2, Björn Dahlgren wrote:
h is Symbol('h') (and given how sympy cache works - yes it is global).
I was unsure whether I should use this or force the user to pass at least
one parameter.
Maybe I should let it
On 05.04.2014 03:45, Aaron Meurer wrote:
In case people missed it in the other thread, I highly recommend people to
help answer SymPy questions on StackOverflow. You can go to
http://stackexchange.com/filters/ and set up a filter for the SymPy tag,
and it will email you new questions. Lately
On 07.04.2014 19:34, Björn Dahlgren wrote:
After reading Aaron's recommendation about looking for unanswered sympy
questions at stackoverflow I stumbled upon:
http://stackoverflow.com/questions/18701290/derivatives-discretization-with-sympy
I implemented a solution for this and it is
On 07.04.2014 21:25, Björn Dahlgren wrote:
h is Symbol('h') (and given how sympy cache works - yes it is global).
I was unsure whether I should use this or force the user to pass at least
one parameter.
Maybe I should let it default to 1 instead of Symbol('h')? I'm starting to
lean towards
On 28.03.2014 23:02, deepak goel wrote:
transseries is a broader concept. multiseries is series with finitely generated
support in R. transeries is 'lexicographical' multiseries in several variables.
Your application is interesting, but please satisfy patch requirement.
On 21.03.2014 21:23, deepak goel wrote:
sorry its late i know here is my proposal
https://github.com/sympy/sympy/wiki/GSoC-2014-Application-Deepak-Goel:-Asymptotic-Expansion
i m late for pr too but would get them done by announcement date
actually i was working on propasal and related papers
On 16.03.2014 17:52, Avichal Dayal wrote:
I'm little surpised. Can you provide an example of this
from the Mathematica?
I don't have the software. But I have seen examples in
the references.
Wolfram gives both the truncated series with the order
term and using generating functions as
On 14.03.2014 14:24, Sergey Kirpichev wrote:
Hello,
On Fri, Mar 7, 2014 at 3:29 AM, Avichal Dayal avichal.da...@gmail.comwrote:
It would be great if you could look at my proposal (just an initial draft)
and give suggestions:-
On 12.03.2014 00:12, Avichal Dayal wrote:
The paper you mention works for functions containing only bounded
functions like:- (sin(x**2) - sin(x))/(3 + cos(E*x**2))
And I think that's what we need. Heuristics handle cases like
sin(x)/x but not when all are bounded. This can be a useful
On 05.03.2014 22:17, Avichal Dayal wrote:
Formal power series requires a sequence class.
However it is already implemented here:
https://github.com/goodok/sympy/tree/sequences/sympy/sequences
It is not merged yet.
No, it is only the prototype (model), experiment with some restrictions.
It
I didn't found about this problem in the wiki pages and roadmaps
But I found the old diskuss in issue tracker
http://code.google.com/p/sympy/issues/detail?id=2200
--
Alexey Gudchenko
On 01.03.2014 16:37, Avichal Dayal wrote:
Typo? Perhaps, O(1, (x, oo))
Yes, I meant O(1, (x, oo))
Why
On 25.02.2014 20:31, Aaron Meurer wrote:
Some people on this list might be interested in this. Some folks are
giving another shot at writing a PEP to add a new operator to Python
for matrix multiplication. The discussion is at
https://github.com/numpy/numpy/pull/4351.
Those of you who work
On 28.02.2014 02:36, Alan Bromborsky wrote:
On 02/27/2014 04:42 PM, Alexey U. Gudchenko wrote:
On 25.02.2014 20:31, Aaron Meurer wrote:
Some people on this list might be interested in this. Some folks are
giving another shot at writing a PEP to add a new operator to Python
for matrix
On 28.01.2013 01:08, Aaron Meurer wrote:
On Jan 27, 2013, at 6:34 AM, Alexey U. Gudchenko pr...@goodok.ru wrote:
Additionally to Stefan's answer about sympy core , I introduce the
example how it may be implemented concretely.
There is the tested code in the atachment of it.
(I can create
On 28.01.2013 10:21, Alexey U. Gudchenko wrote:
M Dx = Dx M
Will correct that, under this formula, I could see construction of a
differential operator and not the applying of differential operators to
the constant matrix (which obviously result in zero).
That is I meant that
[ a 0
I know how to use has method:
In [6]: e = x + y + z + sin(x)
In [7]: e.has(Function)
Out[7]: True
Applied abstract function like f = Function(f), in SymPy classified as
AppliedUndef:
In [1]: from sympy.core.function import AppliedUndef
In [2]: e = x + y + z + sin(x)
In [3]:
Thank you!
--
Alexey Gudchenko
On 05.04.2012 22:46, Tom Bachmann wrote:
A start: https://github.com/sympy/sympy/wiki/Commutative-Algebra-Module
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Greetings, Tom.
Can you write down (shortly, may be in wiki) an introduction of some
vision for those modules set: that is, main use-cases for the users and
use-cases for the developers (they be able do that and that and that).
May be some examples exist now in the docstring examples, but the
On 04.04.2012 14:05, Ashwini Oruganti wrote:
On Sat, Mar 31, 2012 at 11:37 PM, Alexey U. Gudchenko pr...@goodok.ruwrote:
On 31.03.2012 14:02, Ashwini Oruganti wrote:
Hi,
My proposal can be found on the SymPy wiki at :
https://github.com/sympy/sympy/wiki/GSoC-2012-Application-Ashwini
On 31.03.2012 15:43, krastanov.ste...@gmail.com wrote:
And a complication:
In [17]: f(1,2)
Out[17]:
log(cos(2) + 1)
log(-1 + cos(2))
- ─── + 2.99489845376757 - 0.5⋅ⅈ⋅π + 1
2
2
The problem here seems to be in the rounding:
On 31.03.2012 14:02, Ashwini Oruganti wrote:
Hi,
My proposal can be found on the SymPy wiki at :
https://github.com/sympy/sympy/wiki/GSoC-2012-Application-Ashwini-Oruganti:-Step-by-Step-Expression-Manipulation
Can you please review the same and provide feedback?
Thanks and Regards,
On 30.03.2012 20:40, Bharath M R wrote:
My GSoC Application can be found at
https://github.com/sympy/sympy/wiki/GSoC-2012-Application--Bharath-M-R-:-Plotting-Module
.
Can you please review the application and suggest any changes?
Thanks,
Bharath M R
With the similar notes as
On 29.03.2012 17:38, Harsh Chhabra wrote:
In proposal template i didn't understand the concept of patch
requirement
what is it ?
can any one tell in detail ?
Sorry by citing, but it is better to use them
Technically:
take a look at the list
of issues [2], pick one (or more :-) )
On 28.03.2012 19:27, Bharath M R wrote:
See link - http://pyinterval.googlecode.com/svn/trunk/html/index.html
Even mpmath implements those functions. Some of the problems with
mpmath is sqrt([-1.1]) will give [0.1]. This will severely alter the plot.
Also things like abs(), integer(x)
On 27.03.2012 20:22, Sahil Singla wrote:
I am a second year undergraduate ,doing my major in Computer Sciences.
I have done a course in Numerical Linear Algebra and Scientific Computing
and it is by far the most interesting topic I have encountered in my life.
I want to improve the code of
On 27.03.2012 02:02, Lawrence H wrote:
Hi All,
I am a sophomore CS student at UCLA, and I would like to work on
step-by-step expression manipulations this summer. I understand that this
is a very open-ended problem, so I am just wondering if there are any
specific milestones that are
24.03.2012 18:13, Alan Bromborsky пишет:
If I run this -
from sympy import *
M = Matrix([ [1, .6, .6], [.6, 1, .9], [.6, .9, 1] ])
print 'M =', M
print 'eig values =',M.eigenvals()
print 'eig vectors =',M.eigenvects()
I get -
M = [ 1, 0.6, 0.6]
[0.6, 1, 0.9]
[0.6, 0.9, 1]
On 25.03.2012 00:57, Sergiu Ivanov wrote:
On Sat, Mar 24, 2012 at 9:23 PM, Dmitry Kozlov dkz@gmail.com
wrote:
Excuse me, I am not good in english. I wonder how many time has
applicant to write a patch?
Don't worry, your English is rather OK.
According to [0], you are required to
On 24.03.2012 22:06, Saurabh Jha wrote:
My name is Saurabh Jha. I am currently pursuing B.Tech in computer
science and engineering. I am very much interested in working in sympy
project.I went through the idea list and found the idea of Series
Expansions interesting. I then went through the
On 24.03.2012 20:19, krastanov.ste...@gmail.com wrote:
How about making MatExpr evaluate by default as it is the thing most
frequently requested at the moment and leaving the rest until the need
for it arises?
As I understand the main target to evaluate ImmutableMatrix by default
is to
are
calculated symbolically. (I realize that my example is not GA, but the
point still stands.) Thus it seems to me that you must provide, if at
all possible, a way to tell your module to calculate numbers as floating
points with a specified precision.
On 12/03/24 1:11 PM, Alexey U. Gudchenko wrote
21.03.2012 07:34, Anthony Burzillo пишет:
Hi all, my name's Anthony Burzillo and I am currently a freshman at Johns
Hopkins studying Physics and CS.
I am particularly interested in SymPy since, as a Physics/Math major, I
often find myself checking my processes with Mathematica, and
22.03.2012 09:33, Sai Nikhil пишет:
currently if we are calculating the series for a function ( eg.,
sin(x).series(x,x0=2,n=6) ) about a point x0 = a , where a != 0 ,
then we are getting the expression of f(x+a) (i.e.,
sin(x+2).series(x,x0=0,n=6)) about x0 = 0 , as there is no proper
22.03.2012 09:33, Sai Nikhil пишет:
currently if we are calculating the series for a function ( eg.,
sin(x).series(x,x0=2,n=6) ) about a point x0 = a , where a != 0 ,
then we are getting the expression of f(x+a) (i.e.,
sin(x+2).series(x,x0=0,n=6)) about x0 = 0 , as there is no proper
19.03.2012 20:36, Matthew Rocklin пишет:
In pull 1047 https://github.com/sympy/sympy/pull/1047 we have an issue
where the doctests produce very long results i.e.
Lambda(_x, ((alpha/_x + 2*beta*log(_x/sigma)/_x)*exp(-alpha*log(_x/sigma) -
beta*log(_x/sigma)**2))
These span beyond 80
/sympy/wiki/UD-series-situation
--
Alexey U.
On Fri, Mar 9, 2012 at 3:03 AM, Alexey U. Gudchenko pr...@goodok.ru wrote:
For those who would be interested in the topic `Series expansions` of
`GSoC 2012 Ideas` [1], students and mentors too, I have published the
working prototype [2
09.03.2012 03:05, krastanov.ste...@gmail.com пишет:
It seems that this is not sustainable because 1. Adding too much
stuff to Mul and Add
https://code.google.com/p/sympy/issues/detail?id=1941
Current situation with the flatten, how I imagine it.
Correct me If I am mistaken.
1. `flatten`
14.03.2012 00:27, Aaron Meurer пишет:
On Tue, Mar 13, 2012 at 11:01 AM, Alexey U. Gudchenko pr...@goodok.ru wrote:
09.03.2012 03:05, krastanov.ste...@gmail.com пишет:
It seems that this is not sustainable because 1. Adding too much
stuff to Mul and Add
https://code.google.com/p/sympy/issues
Thank you, Chris.
It is pity. I remember how you help me about year ago, when I was
started with the sympy.
Thank you for timeous advices.
The speed of my mind was uncomfortable with your code creating, and I
was insufficient even to a observe little part of it, because it is hard
to dive into
21.01.2012 16:06, Zoltán пишет:
I'm not sure exactly what the difficulty is that you are imagining.
There are several routines in SymPy that don't work well when you use
floats, so you have to work around the features'.
I don't think that imagining is the proper word here: the problem is
It is related with this issue:
http://code.google.com/p/sympy/issues/detail?id=2193
20.01.2012 01:25, krastanov.ste...@gmail.com пишет:
The error is present in the current master on git.
On 18 January 2012 09:33, Zoltán zvo...@gmail.com wrote:
Hi All,
I would like to diagonalize the
12.01.2012 03:14, Robert пишет:
did so thanks!
On Jan 11, 4:45 pm, Aaron Meurer asmeu...@gmail.com wrote:
Hi,
Can you open an issue in our issue tracker for this?
Aaron Meurer
This bug-fix was merged to the master now.
https://github.com/sympy/sympy/pull/958
--
Alexey U.
--
You
12.01.2012 01:56, krastanov.ste...@gmail.com пишет:
What about just adding the last post by Aaron to the page about pitfalls
(or another page) and fixing
http://code.google.com/p/sympy/issues/detail?id=2978 (so x**2.0/x
automatically simplifies to x**1.0)?
I agree that sympy strikes a good
10.01.2012 13:26, John B пишет:
On Jan 9, 6:42 am, Matthew mrock...@gmail.com wrote:
You could do the above by explicitly making a scalar symbol for each
of x[0], x[1], ...
Hello Matthew. I realize I could use a scalar for each x[i], but I
was looking for a way to use only the vector symbol
04.01.2012 03:19, Aaron Meurer пишет:
On Tue, Jan 3, 2012 at 1:10 PM, miham tlora...@gmail.com wrote:
Lately there has been some efforts to standardize docstrings in SymPy.
The effort has been pretty successful (more info: [1]), but some
questions remain open, so I thought it might be worth
09.01.2012 02:03, smichr:
Is there any reason that we should return something other than -2 for
the cube root of -8?
root(-8,3)
2*(-1)**(1/3)
_.n()
1.0 + 1.73205080756888*I
Or, instead of n():
expand_complex(root(-8, 3))
1 + sqrt(3)*I
This is a question of definitions and
09.01.2012 02:03, smichr пишет:
Is there any reason that we should return something other than -2 for
the cube root of -8?
root(-8,3)
2*(-1)**(1/3)
_.n()
1.0 + 1.73205080756888*I
Of course real_root was written to work around this, but if odd powers
just removed a simple negative it
05.01.2012 12:45, Joachim Durchholz пишет:
Am 05.01.2012 04:38, schrieb smichr:
UnicodeDecodeError: 'charmap' codec can't decode byte 0x8d in position
2029: cha
racter maps toundefined
Any idea what might be going wrong?
It is trying to read a file in CP1252 encoding and gets a character
15.12.2011 13:07, Joachim Durchholz пишет:
int_tested was supposed to do
if x!=int(x) raise error, else x = int(x)
which happens in a couple of handful cases in the SymPy code.
(In fact the whole int_tested idea sprouted from issue #1740, where this
idiom was not applied but should have
13.12.2011 09:27, Ondřej Čertík пишет:
2011/12/1 Ondřej Čertík ondrej.cer...@gmail.com:
On Thu, Dec 1, 2011 at 11:33 AM, krastanov.ste...@gmail.com
krastanov.ste...@gmail.com wrote:
From the readme in the doc directory:
apt-get install python-sphinx texlive-latex-recommended dvipng
make
30.11.2011 12:48, Joachim Durchholz пишет:
Am 30.11.2011 09:39, schrieb no-re...@google-melange.appspotmail.com:
Hi,
Tiffany has left the following comment at Document all the options to
latex()
http://www.google-melange.com/gci/task/view/google/gci2011/7176265:
For some reason, the URLs
01.12.2011 03:56, Joachim Durchholz пишет:
Am 30.11.2011 10:03, schrieb Alexey U. Gudchenko:
30.11.2011 12:48, Joachim Durchholz пишет:
Am 30.11.2011 09:39, schrieb no-re...@google-melange.appspotmail.com:
http://www.google-melange.com/gci/task/view/google/gci2011/7176265:
For some reason
23.11.2011 18:21, Harry Rickards пишет:
Greetings.
Feel free to submit pull requests even if the task is almost done or
just pull request only preliminary, to view and discuss (if you are not
afraid that the code will be stolen by others.) This gives more
specifics about the discussion.
If the
23.11.2011 19:33, Alexey U. Gudchenko пишет:
23.11.2011 18:21, Harry Rickards пишет:
Greetings.
Feel free to submit pull requests even if the task is almost done or
just pull request only preliminary, to view and discuss (if you are not
afraid that the code will be stolen by others
21.11.2011 23:32, Aaron Meurer пишет:
Hi.
Does anyone know of a good way to automatically add a link from each
Code-In task to its corresponding issue? Can someone perhaps write a
script to do it? I'm having a hard time because the search in melange
is not that great compared to the
21.11.2011 23:49, Alexey U. Gudchenko пишет:
21.11.2011 23:32, Aaron Meurer пишет:
Hi.
Does anyone know of a good way to automatically add a link from each
Code-In task to its corresponding issue?
And another question, (may be I have incorrect understood). Does it
requires to insert links
.
I will push up them to GitHub tomorrow.
Aaron Meurer
2011/11/21 Alexey U. Gudchenko pr...@goodok.ru:
21.11.2011 23:49, Alexey U. Gudchenko пишет:
21.11.2011 23:32, Aaron Meurer пишет:
Hi.
Does anyone know of a good way to automatically add a link from each
Code-In task to its
15.11.2011 21:25, Aaron Meurer пишет:
Does anyone know of a good framework to implement this in, so that it
is easily extensible (something like the printer, only backwards)?
Obviously, we can implement the simple cases like \frac{}{} and ^
using regular expressions, but it would be nice to
12.11.2011 21:42, krastanov.ste...@gmail.com пишет:
This:
import ast
ast.parse(repr(expression))
will do the trick if repr is well coded.
How much faith should I put in the repr strings in sympy? Or there is
another way?
On 12 November 2011 18:20, krastanov.ste...@gmail.com
18.05.2011 17:15, Haz пишет:
On Wed, May 18, 2011 at 8:47 AM, Vinzent Steinberg
vinzent.steinb...@googlemail.com wrote:
I'm a bit worried about performance if you use Expr instances. Maybe
have a low-level integer representation, so you can implement a high-
level interface later which
07.05.2011 22:20, Aaron S. Meurer пишет:
On May 6, 2011, at 10:32 AM, Ronan Lamy wrote:
Le jeudi 05 mai 2011 à 20:18 +0100, Tom Bachmann a écrit :
First of all thanks alexey, for steering the discussion into an
important direction!
On 05.05.2011 19:42, Alexey U. Gudchenko wrote:
Well, when
13.05.2011 23:33, Alexey U. Gudchenko пишет:
07.05.2011 22:27, Aaron S. Meurer пишет:
On May 6, 2011, at 6:09 PM, Alexey U. Gudchenko wrote:
02.05.2011 20:25, Ronan Lamy пишет:
Le dimanche 01 mai 2011 à 23:37 -0700, Ondrej Certik a écrit :
You should assume it. Non commutative symbols
Added in introduction section:
As we have current situation (two systems, a few branches which
improved them). So we collect the description of them, and describe
variants what to do with them on optimal ways (Approaches section).
But at the same time we must keep in the mind the ideal
05.05.2011 23:18, Tom Bachmann пишет:
I think that my statement is true, or at least should be true.
Everything that is not a symbol (or involves a symbol) is some concrete
mathematical entity, and all of its properties are settled (in
principle, in practice it might be hard to find out if a
06.05.2011 13:55, mario пишет:
I will make soon a pull request, if I find out how to do it :)
This link can help you.
https://github.com/sympy/sympy/wiki/Development-workflow
Mario
--
Alexey U.
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06.05.2011 20:32, Ronan Lamy пишет:
Le jeudi 05 mai 2011 à 20:18 +0100, Tom Bachmann a écrit :
First of all thanks alexey, for steering the discussion into an
important direction!
On 05.05.2011 19:42, Alexey U. Gudchenko wrote:
Well, when I have concerned the assumptions, I noticed, first
02.05.2011 20:25, Ronan Lamy пишет:
Le dimanche 01 mai 2011 à 23:37 -0700, Ondrej Certik a écrit :
You should assume it. Non commutative symbols are just making things
very complicated, and it was a mistake to add them into the core of
sympy. They should start in sympy.quantum, and only
30.04.2011 02:16, Aaron S. Meurer пишет:
So Ondřej, Christian, and I talked about this before GSoC, but I
forgot to mention it on the list. We need to figure out, as a
community, how to remove the old assumptions system and merge in the
new one. We have already had several branches
05.05.2011 22:47, smichr пишет:
Can someone else test [ https://github.com/sympy/sympy/pull/87 ] and
see if you get failures? There are two commits there. Failures when
testing expr.py (and other files) show up for some but not for me
(W32).
Ronan thinks it might be related to keep_sign.
06.05.2011 01:15, Mateusz Paprocki пишет:
Hi,
On 5 May 2011 14:10, Tom Bachmann e_mc...@web.de wrote:
On 05.05.2011 21:52, Alexey U. Gudchenko wrote:
05.05.2011 22:47, smichr пишет:
Can someone else test [ https://github.com/sympy/sympy/pull/87 ] and
see if you get failures
06.05.2011 01:54, Mateusz Paprocki пишет:
To see what cache does with SymPy, run bin/test as follows:
$ SYMPY_USE_CACHE=no bin/test
I got the following result:
_
27.04.2011 22:22, Aaron S. Meurer пишет:
I already thought of much of this a while back. See
http://code.google.com/p/sympy/issues/detail?id=2142. We should
consider creating our own SymPyDeprecationWarning, since in Python
2.5+ DeprecationWarnings are not shown by default, but I think we
DO NOT COMMIT or not when warnings are raised?
I only mean that they should be turned into exceptions for the tests. Of
course, otherwise they should stay as warnings.
Aaron Meurer
On Apr 27, 2011, at 1:08 PM, Alexey U. Gudchenko wrote:
27.04.2011 22:22, Aaron S. Meurer пишет:
I already
into exceptions for the tests. Of
course, otherwise they should stay as warnings.
Aaron Meurer
On Apr 27, 2011, at 1:08 PM, Alexey U. Gudchenko wrote:
27.04.2011 22:22, Aaron S. Meurer пишет:
I already thought of much of this a while back. See
http://code.google.com/p/sympy/issues/detail?id=2142
25.04.2011 23:13, Aaron S. Meurer пишет:
Hi everyone. As many of you may have noticed, Google has announced the
results for Google Summer of Code. I am proud to announce that we got nine
slots from Google. The following projects have been accepted:
(Project, Student, Mentor, Link to
26.04.2011 20:20, Vinzent Steinberg пишет:
On Apr 26, 5:24 pm, Hazchristian.mu...@gmail.com wrote:
What about having our own (light) warning functionality -- goes to standard
out under normal circumstances, and any testing can (and probably should)
disable the output of the warning.
I think
26.04.2011 23:47, Chris Smith пишет:
On Tue, Apr 26, 2011 at 3:09 PM, Alexey U. Gudchenkopr...@goodok.ruwrote:
26.04.2011 08:20, smichr пишет:
can tests involing warnings be put in doctests rather than the test
suite?
I prefer not to see warnings while running tests. Would it be a better
21.04.2011 00:35, Aaron S. Meurer пишет:
[expr.subs(i) for i in sol]
because subs works with a dictionary. Actually, looking at it this
way, this data structure is far superior to any of the others.
That won't work if there's an infinite number of solutions.
But the only way to
14.04.2011 00:59, Aaron S. Meurer пишет:
On Apr 13, 2011, at 2:22 PM, Hector wrote:
On Wed, Apr 13, 2011 at 11:46 PM, Julien Rioux julien.ri...@gmail.com
wrote:
On Apr 13, 11:45 am, Hector hector1...@gmail.com wrote:
Hello groups,
This is about the way limit has been defined in
12.04.2011 01:56, Ronan Lamy пишет:
Le lundi 11 avril 2011 à 15:42 -0600, Aaron S. Meurer a écrit :
On Apr 11, 2011, at 2:25 AM, smichr wrote:
Should `Integral(x, (x, 1, 2)) == Integral(y, (y, 1, 2))` be True? If
so, smichr branch 2068b has a commit that makes this testing possible.
This
12.04.2011 02:20, Aaron S. Meurer пишет:
On Apr 11, 2011, at 4:12 PM, Alexey U. Gudchenko wrote:
12.04.2011 01:56, Ronan Lamy пишет:
Le lundi 11 avril 2011 à 15:42 -0600, Aaron S. Meurer a écrit :
On Apr 11, 2011, at 2:25 AM, smichr wrote:
Should `Integral(x, (x, 1, 2)) == Integral(y, (y
12.04.2011 03:19, Aaron S. Meurer пишет:
On Apr 11, 2011, at 4:28 PM, Alexey U. Gudchenko wrote:
12.04.2011 02:20, Aaron S. Meurer пишет:
On Apr 11, 2011, at 4:12 PM, Alexey U. Gudchenko wrote:
12.04.2011 01:56, Ronan Lamy пишет:
Le lundi 11 avril 2011 à 15:42 -0600, Aaron S. Meurer
10.04.2011 00:37, Tom Bachmann пишет:
Tom, can I ask you to put your letter content on wiki? I am going create
section where to put similar materials (Under Consideration or something
else).
I have created the following page:
28.03.2011 23:51, Tom Bachmann пишет:
Dear list,
while beginning to work with the codebase I have stumbled a couple of
times over the aforementioned problem. A situation occured in bug
1321; also bug 360 is directly related. The official ticket is 2200.
You can find there also a link to
06.04.2011 10:18, Tim Lahey пишет:
On Wed, Apr 6, 2011 at 2:09 AM, Alexey U. Gudchenko pr...@goodok.ru wrote:
I've added doctests for my function in sympy/physics/matrices.py (note
physics)
Sorry, yes, with physics it is ok too. I checked it.
The docstring is,
Returns the Parallel
06.04.2011 10:59, Tim Lahey пишет:
I'll
leave it for now, but I was using as a reference so it looks like
they weren't being doctested. I've fixed my doctests. If the others
are actually mistakes (and I think they are), I don't want to clutter
this pull request with things that aren't related
25.03.2011 06:53, Brian Granger пишет:
On Thu, Mar 24, 2011 at 8:29 PM, Ronan Lamyronan.l...@gmail.com wrote:
Le jeudi 24 mars 2011 à 13:08 -0700, Ondrej Certik a écrit :
On Thu, Mar 24, 2011 at 12:59 PM, Ronan Lamyronan.l...@gmail.com wrote:
The docs build and http://sympy.readthedocs.org
24.03.2011 03:07, Aaron S. Meurer пишет:
On Mar 23, 2011, at 4:25 PM, Alexey U. Gudchenko wrote:
Hi,
For those who edit wiki pages about GSoC, remarks about titles.
I think that the titles of pages must be conditioned somehow.
Now in https://github.com/sympy/sympy/wiki/_pages it is very
24.03.2011 19:22, weralwolf пишет:
Hi,
It's very hopeful title, but I just notice that :
Yes, let's use this convention. Title the page like GSoC 2011 Application Your
Name. Someone go ahead and rename all existing pages to this format.
Aaron Meurer
23.03.2011 19:57, weralwolf пишет:
P.S. Why my previous discussion(One more GSoC Introduction) was
deleted?
Regards,
Anatolii
Is it you're talk about?
http://groups.google.com/group/sympy/browse_thread/thread/3e6a1cf2c1cfd393?hl=en#
I found it in:
Hi,
For those who edit wiki pages about GSoC, remarks about titles.
I think that the titles of pages must be conditioned somehow.
Now in https://github.com/sympy/sympy/wiki/_pages it is very hard to
orient about GSoC program:
...
About me:
GsoC 2011 Application Geoffrey Ehrman
21.03.2011 16:28, Kit пишет:
How do I perform a symbolic differentiation in sympy? I did a search in the
online documentation but I only found Numerical
Derivativeshttp://docs.sympy.org/dev/modules/mpmath/calculus/differentiation.html?highlight=derivative,
which requires explicit values for the
19.03.2011 00:06, Aaron S. Meurer пишет:
On Mar 18, 2011, at 4:18 AM, Alexey U. Gudchenko wrote:
18.03.2011 12:42, Chris Smith пишет:
Hector wrote:
On Fri, Mar 18, 2011 at 4:57 AM, Aaron S. Meurer
asmeu...@gmail.com wrote:
For issue 2200, we didn't decide if limit(sin(x), x, oo)
should
18.03.2011 12:49, Hector пишет:
Now mathematically, limit x tending to 0, abs(x)/x should not exist.
Why not? (tendind from the right.)
Consider definition of limit:
the limit of f as x approaches 0 is L if and only if for every real ε
0 there exists a real δ 0 such that 0 x δ
18.03.2011 12:42, Chris Smith пишет:
Hector wrote:
On Fri, Mar 18, 2011 at 4:57 AM, Aaron S. Meurer
asmeu...@gmail.com wrote:
For issue 2200, we didn't decide if limit(sin(x), x, oo) should
raise an error or should return nan (or something else).
Hello everyone,
Hi Aaron, I was wondering
18.03.2011 13:23, Aaron S. Meurer пишет:
Of course the limit exists from either direction, but I think his point is that it doesn't
exist in the normal sense (from any direction). The real definition of a limit says that
|x| δ, i.e., -δ x δ, implies |f(x) - L| ε.
Actually, SymPy computes
18.03.2011 13:26, Hector пишет:
On Fri, Mar 18, 2011 at 3:34 PM, Alexey U. Gudchenkopr...@goodok.ruwrote:
18.03.2011 12:49, Hector пишет:
Now mathematically, limit x tending to 0, abs(x)/x should not exist.
Why not? (tendind from the right.)
Consider definition of limit:
the limit
18.03.2011 13:23, Aaron S. Meurer пишет:
Of course the limit exists from either direction, but I think his point is that it doesn't
exist in the normal sense (from any direction). The real definition of a limit says that
|x| δ, i.e., -δ x δ, implies |f(x) - L| ε.
Actually, SymPy computes
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