Comment #10 on issue 1480 by ondrej.certik: Implement test coverage utility
http://code.google.com/p/sympy/issues/detail?id=1480
..+1, push it in please.
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Comment #8 on issue 1337 by wflynny: find all instances in an expression
http://code.google.com/p/sympy/issues/detail?id=1337
Hey, I've been working on this find/sub method and I think I have a working
prototype.
Check it out. So far, it passes the tests to do what I need it to but its
Comment #25 on issue 1358 by wflynny: (e*f*e*f).subs(e*f,f*e+h) fails if
e*f is not commutative
http://code.google.com/p/sympy/issues/detail?id=1358
Here is the relevant part of my run:
C:\Python25\Lib\site-packages\sympypy.test.exe
= test session starts
Comment #9 on issue 1337 by wflynny: find all instances in an expression
http://code.google.com/p/sympy/issues/detail?id=1337
Here's a slightly better version. It does the sin/cos - tan stuff. I'm
thinking about
making it better in a bunch of ways. One of which is to have it be of the
form
Updates:
Status: Fixed
Comment #7 on issue 1486 by fab...@fseoane.net: Tests for sympy.logic
http://code.google.com/p/sympy/issues/detail?id=1486
Added some more tests for dpll and pushed it in.
http://git.sympy.org/?p=sympy.git;a=commit;h=126c5d464d757f48ae58e5ab4ff732a079552ca7
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Updates:
Status: Fixed
Comment #2 on issue 1481 by mattpap: Error raised:
Matrix([[1,2],[3,4]])**Integer(2)
http://code.google.com/p/sympy/issues/detail?id=1481
An easy one. :)
Yes, indeed. Your patch is in:
Comment #4 on issue 1485 by fab...@fseoane.net: new logic module (TODO
before 0.6.5)
http://code.google.com/p/sympy/issues/detail?id=1485
fixed the deprecationwarning in
http://git.sympy.org/?p=sympy.git;a=commit;h=b09c534c0a3bb0359329f4fce8df5b3fe5625ccf
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Comment #11 on issue 1480 by fab...@fseoane.net: Implement test coverage
utility
http://code.google.com/p/sympy/issues/detail?id=1480
done
http://git.sympy.org/?p=sympy.git;a=commit;h=8cfa62d33a3ff23d71e055d7d2d9fc10b5e55d53
Thanks Ronan for this wonderful tool. Can this issue be closed now
Comment #26 on issue 1358 by ondrej.certik: (e*f*e*f).subs(e*f,f*e+h) fails
if e*f is not commutative
http://code.google.com/p/sympy/issues/detail?id=1358
Are you testing with py.test or with sympy tests? E.g. are you executing
bin/test
from the sympy git repository? Alternatively, you can
Comment #27 on issue 1358 by wflynny: (e*f*e*f).subs(e*f,f*e+h) fails if
e*f is not commutative
http://code.google.com/p/sympy/issues/detail?id=1358
yeah I've been working on those failing tests. here's a patch I suggest you
add to
function/special/test/test_spec_functions.py
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Comment #28 on issue 1358 by wflynny: (e*f*e*f).subs(e*f,f*e+h) fails if
e*f is not commutative
http://code.google.com/p/sympy/issues/detail?id=1358
yeah I've been working on those failing tests. here's a patch I suggest you
add to
function/special/test/test_spec_functions.py
Attachments:
Comment #11 on issue 1337 by wflynny: find all instances in an expression
http://code.google.com/p/sympy/issues/detail?id=1337
Where should it be integrated? In Basic? I'm not too sure what to do from
here.
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Comment #5 on issue 1485 by fab...@fseoane.net: new logic module (TODO
before 0.6.5)
http://code.google.com/p/sympy/issues/detail?id=1485
xfailed tests fixed here
http://git.sympy.org/?p=sympy.git;a=commit;h=a107ff59b777f392bf60ed312197a50a83148328
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Updates:
Status: Fixed
Comment #4 on issue 1442 by fab...@fseoane.net: mathml patches
http://code.google.com/p/sympy/issues/detail?id=1442
I think all MathML patches by Thomas Sidoti where squashed and pushed in
Hi,
this patch needs review :
http://code.google.com/p/sympy/issues/detail?id=1481start=100
Thanks,
Nicolas
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So, I have a personal git sympy repo on github and have finally learned
enough to be useful to the project (I hope).
Question #1:
One problem I ran into is that while I was figuring things out and cleaning
up the mess I made of my own branches, other people submitted various
patches. So, I
On Jun 24, 2009, at 11:23 AM, Vinzent Steinberg wrote:
2009/6/24 Ryan Krauss ryanli...@gmail.com
So, I have a personal git sympy repo on github and have finally
learned enough to be useful to the project (I hope).
Question #1:
One problem I ran into is that while I was figuring things
On Wed, Jun 24, 2009 at 1:00 PM, Aaron S. Meurerasmeu...@gmail.com wrote:
On Jun 24, 2009, at 11:23 AM, Vinzent Steinberg wrote:
2009/6/24 Ryan Krauss ryanli...@gmail.com
So, I have a personal git sympy repo on github and have finally learned
enough to be useful to the project (I hope).
On Wed, Jun 24, 2009 at 12:37 PM, Ryan Kraussryanli...@gmail.com wrote:
I have added a feature to allow latex users to specify the matrix type and
delimitter in _print_Matrix. It is in this branch:
git://github.com/ryanGT/sympy.git
The approach works for me, but it is no longer as clean to
On Wed, Jun 24, 2009 at 3:50 PM, Ryan Kraussryanli...@gmail.com wrote:
So, with Aaron's help, I am almost getting my mind around this. Maybe I am
creating my branches correctly and I just don't know how to test merging two
of them in a row into a test branch or on another machine or in a new
So, it sounds like you are saying that either should work, right?
I may be the cause of my own problem. It seems that my inline branch also
includes the mainvar branch:
ryan|04:59 PM|~/git_temp/sympy (temp_inline)$ git diff github/mainvar
github/inline
diff --git a/sympy/printing/latex.py
When you create videos from now on, can you also save your bash history to a
txt file and make it available. I re-watch some of the videos to write down
commands.
On Wed, Jun 24, 2009 at 5:26 PM, Ondrej Certik ond...@certik.cz wrote:
On Wed, Jun 24, 2009 at 4:09 PM, Ryan
On Wed, Jun 24, 2009 at 4:44 PM, Ryan Kraussryanli...@gmail.com wrote:
When you create videos from now on, can you also save your bash history to a
txt file and make it available. I re-watch some of the videos to write down
commands.
Yes, sure.
Ondrej
Hi,
thanks to flowplayer[0] one can easily host any video on a webpage,
here is a demo:
http://certik.github.com/record/
all that is needed is to convert to the FLV format (for which you can
use the theora2flv script from the above git repository) and upload it
somewhere on the internet. Then
On Jun 24, 8:23 am, Ondrej Certik ond...@certik.cz wrote:
Hi,
thanks to flowplayer[0] one can easily host any video on a webpage,
here is a demo:
http://certik.github.com/record/
The quality is partly quite bad, so you can hardly read the text due
to rendering artifacts.
Firefox 3.5
On Wed, Jun 24, 2009 at 11:06 AM, smichr smi...@gmail.com wrote:
If someone has access to Mathematica, could you see if it solves the
equation,
exp(x*(x-3))=2*(x-1)*(x-2)
The Web-mathematica doesn't
(at
http://72.3.253.76/webMathematica3/quickmath/page.jsp?s1=equationss2=solves3=basic)
I think the single quote vs. double quote thing is because there are double
quotes inside of the string. If I change the outside single quotes to
double, I get strange behavior like you mentioned earlier.
On Tue, Jun 23, 2009 at 11:33 PM, Aaron S. Meurer asmeu...@gmail.comwrote:
OK, so this
Is there a reason it returns complex infinity versus just infinity?
Does it have to do with the assumptions about the variables?
Does anybody know an example where Mathematica returns just regular
infinity?
~Luke
On Jun 23, 10:23 am, Ondrej Certik ond...@certik.cz wrote:
2009/6/23 Roberto
Here is the link to the Wolfram Documentation for ComplexInfinity:
http://reference.wolfram.com/mathematica/ref/ComplexInfinity.html
Their one line documentation is:
represents a quantity with infinite magnitude, but undetermined
complex phase.
Everything I've tried in Wolfram returns
On 6/24/09, Luke hazelnu...@gmail.com wrote:
Here is the link to the Wolfram Documentation for ComplexInfinity:
http://reference.wolfram.com/mathematica/ref/ComplexInfinity.html
Their one line documentation is:
represents a quantity with infinite magnitude, but undetermined
complex
On Wed, Jun 24, 2009 at 3:32 AM, Vinzent
Steinbergvinzent.steinb...@googlemail.com wrote:
On Jun 24, 8:23 am, Ondrej Certik ond...@certik.cz wrote:
Hi,
thanks to flowplayer[0] one can easily host any video on a webpage,
here is a demo:
http://certik.github.com/record/
The quality is
On Wed, Jun 24, 2009 at 9:44 AM, Fredrik
Johanssonfredrik.johans...@gmail.com wrote:
On 6/24/09, Luke hazelnu...@gmail.com wrote:
Here is the link to the Wolfram Documentation for ComplexInfinity:
http://reference.wolfram.com/mathematica/ref/ComplexInfinity.html
Their one line
Fredrik Johansson wrote:
On 6/24/09, Luke hazelnu...@gmail.com wrote:
Here is the link to the Wolfram Documentation for ComplexInfinity:
http://reference.wolfram.com/mathematica/ref/ComplexInfinity.html
Their one line documentation is:
represents a quantity with infinite magnitude,
On Wed, Jun 24, 2009 at 6:18 AM, Sebastian Haaseseb.ha...@gmail.com wrote:
On Wed, Jun 24, 2009 at 11:06 AM, smichr smi...@gmail.com wrote:
If someone has access to Mathematica, could you see if it solves the
equation,
exp(x*(x-3))=2*(x-1)*(x-2)
The Web-mathematica doesn't
(at
On Wed, Jun 24, 2009 at 6:39 AM, Jurgis
Pralgauskisjurgis.pralgaus...@gmail.com wrote:
hello,
I'd like to utilize sympy for secondary school problem solving
stepbystep way
with each action explained.
maple student package has sth similar, I heard
my first try is
Ondrej Certik wrote:
On Wed, Jun 24, 2009 at 6:18 AM, Sebastian Haaseseb.ha...@gmail.com wrote:
On Wed, Jun 24, 2009 at 11:06 AM, smichr smi...@gmail.com wrote:
If someone has access to Mathematica, could you see if it solves the
equation,
exp(x*(x-3))=2*(x-1)*(x-2)
The
Hey,
I am a statistics graduate student interested in working on sympy for
a thesis project. I thought it would be interesting to try to give the
statistics module some of the features of mathstatica (an addin for
mathematica.) The department I am part of seems concerned about:
a) Lack of a
On Wed, Jun 24, 2009 at 11:27 AM, cjkogan111cjkogan...@gmail.com wrote:
Hey,
I am a statistics graduate student interested in working on sympy for
a thesis project. I thought it would be interesting to try to give the
statistics module some of the features of mathstatica (an addin for
Or you could use the LambertW function. Maple gives
solve(exp(x*(x-3))=2*(x-1)*(x-2),x);
3/2+(1/2)*sqrt(1-4*LambertW(-(1/2)*exp(-2))), 3/2-
(1/2)*sqrt(1-4*LambertW(-(1/2)*exp(-2))),
3/2+(1/2)*sqrt(1-4*LambertW(-1, -(1/2)*exp(-2))), 3/2-
(1/2)*sqrt(1-4*LambertW(-1, -(1/2)*exp(-2)))
from
On Wed, Jun 24, 2009 at 12:51 PM, Aaron S. Meurerasmeu...@gmail.com wrote:
Or you could use the LambertW function. Maple gives
solve(exp(x*(x-3))=2*(x-1)*(x-2),x);
3/2+(1/2)*sqrt(1-4*LambertW(-(1/2)*exp(-2))), 3/2-
(1/2)*sqrt(1-4*LambertW(-(1/2)*exp(-2))),
3/2+(1/2)*sqrt(1-4*LambertW(-1,
Oh. I looked at the lowercase l's in dir(), so I didn't see it. It
would be great if solve(x*exp(x)-y,x) returned LambertW(y) (now it
raises NotImplemented), and then we could expand it to solve the
equation below.
Aaron Meurer
On Jun 24, 2009, at 12:54 PM, Ondrej Certik wrote:
On
On Wed, Jun 24, 2009 at 1:09 PM, Aaron S. Meurerasmeu...@gmail.com wrote:
Oh. I looked at the lowercase l's in dir(), so I didn't see it. It
would be great if solve(x*exp(x)-y,x) returned LambertW(y) (now it
raises NotImplemented), and then we could expand it to solve the
equation below.
On Wed, Jun 24, 2009 at 12:27, cjkogan111cjkogan...@gmail.com wrote:
Hey,
I am a statistics graduate student interested in working on sympy for
a thesis project.
A Master's thesis?
I thought it would be interesting to try to give the
statistics module some of the features of mathstatica
Thanks Robert Ondrej,
I appreciate the helpful comments. I think that might be a good idea
to focus, even though what I think would be most helpful to the
community is just to make a general stat module.
Cheers,
Clark
On Jun 24, 1:16 pm, Robert Kern robert.k...@gmail.com wrote:
On Wed, Jun 24,
On Wed, Jun 24, 2009 at 6:36 PM, cjkogan111cjkogan...@gmail.com wrote:
Thanks Robert Ondrej,
I appreciate the helpful comments. I think that might be a good idea
to focus, even though what I think would be most helpful to the
community is just to make a general stat module.
Indeed. But you
On Wed, Jun 24, 2009 at 8:22 PM, Lukehazelnu...@gmail.com wrote:
Ondrej and I are proposing to have a Sympy documentation day one of
the following times next week:
1) Tuesday, June 30th, 6pm-12am PST (Wednesday July 1st, 0200-0800 UTC)
2) Thursday, July 1st, 6pm-12am PST (Thursday July
Wolfram says that log(0) = -infinity.
Otherwise, limit(1/exp(log(-x), x,
0, +) = +infinity !
Check this link:
http://www53.wolframalpha.com/input/?i=+limit+(1%2Fexp(log(-x))+as+x-%3E0%2B
I don't think Mathematica computes limits by substituting x with 0 in
the expression, so it's not
On Jun 24, 9:20 pm, Alan Bromborsky abro...@verizon.net wrote:
The equation reduces to exp(w) = 2*exp(2)*w where w = x*(x-3)+2.
Wouldn't the solution of w have to be numerical?
Is this what you are looking for?
...I think it's exp(w)=2*(w+2). And that's the key. When put in this
form, the
So before I spend a lot of time implementing this, I figured it would
be a good idea to get some feedback here on what I plan on doing.
As most of you probably know, my Google Summer of Code project is to
improve the ordinary differential equation solving capabilities of
SymPy. So far, I
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