Comment #1 on issue 2214 by asmeurer: representation of Sum and Integral
should be unified
http://code.google.com/p/sympy/issues/detail?id=2214
What does Sum(x, x) mean?
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Comment #2 on issue 2214 by smi...@gmail.com: representation of Sum and
Integral should be unified
http://code.google.com/p/sympy/issues/detail?id=2214
Isn't this an unevaluated Sum? (I thought you were the one that told me
about this.) In any case, it should either raise an error if it is
Comment #3 on issue 2214 by smi...@gmail.com: representation of Sum and
Integral should be unified
http://code.google.com/p/sympy/issues/detail?id=2214
Sorry, indefinite sum: [ http://en.wikipedia.org/wiki/Indefinite_sum ]
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Comment #3 on issue 1743 by ronan.l...@gmail.com: Vectorize subs and make a
dummy function for it
http://code.google.com/p/sympy/issues/detail?id=1743
@vectorize is on its way out now (cf. issue 2182), so this should probably
be closed.
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Comment #4 on issue 2214 by asmeurer: representation of Sum and Integral
should be unified
http://code.google.com/p/sympy/issues/detail?id=2214
Right. Do we actually have any support for indefinite summation? I
suppose we might at some point.
Let's do as we discussed in some other
Issue 2180: examples/advanced/relativity.py stopped working
http://code.google.com/p/sympy/issues/detail?id=2180
This issue is now blocking issue 2215.
See http://code.google.com/p/sympy/issues/detail?id=2215
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Comment #9 on issue 2180 by gdrummo...@gmail.com:
examples/advanced/relativity.py stopped working
http://code.google.com/p/sympy/issues/detail?id=2180
I'm new to this, but I've attached a patch which makes the change mentioned
by smichr in comment 3.
Gary
Attachments:
Updates:
Labels: NeedsReview gdrummondk
Comment #10 on issue 2180 by asmeurer: examples/advanced/relativity.py
stopped working
http://code.google.com/p/sympy/issues/detail?id=2180
(No comment was entered for this change.)
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Updates:
Labels: -EasyToFix
Comment #4 on issue 2012 by ronan.l...@gmail.com: rewrite should also be a
function
http://code.google.com/p/sympy/issues/detail?id=2012
The fundamental problem here is that individual modules get imported into
the top-level sympy namespace:
from
Updates:
Status: Accepted
Labels: -EasyToFix
Comment #10 on issue 1132 by ronan.l...@gmail.com: add a test for complex
integral from wikipedia
http://code.google.com/p/sympy/issues/detail?id=1132
With py.test, it's easy to apply marks on tests and to choose which ones to
Updates:
Blockedon: 2133
Comment #5 on issue 2012 by asmeurer: rewrite should also be a function
http://code.google.com/p/sympy/issues/detail?id=2012
Do you know how to fix it? Will defining __all__ somewhere do it?
Actually, this is a separate issue from making rewrite a function, so
Updates:
Labels: -NeedsBetterPatch NeedsReview h4wk.cz
Comment #7 on issue 1462 by asmeurer: NumberSymbol lacks __int__ method
http://code.google.com/p/sympy/issues/detail?id=1462
(No comment was entered for this change.)
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Issue 2133: Merge new polynomials manipulation module
http://code.google.com/p/sympy/issues/detail?id=2133
This issue is now blocking issue 2012.
See http://code.google.com/p/sympy/issues/detail?id=2012
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ma., 14.03.2011 kl. 11.00 -0700, skrev Ondrej Certik:
On Mon, Mar 14, 2011 at 3:11 AM, Øyvind Jensen jensen.oyv...@gmail.com
wrote:
Alexander, All,
How is it going with your tensor implementation? I put together some
code to implement variance of tensors and uploaded it to github in my
Thank you Mr Aaron,
Many issues like issue 754 which interest me, but when I try to
reproduce the error, It's already fixed.
Issue 754 says :
Here is a nice integral that SymPy is able to compute:
from sympy import *
var('y')
y
a = integrate((16*y-16)/(y**4-2*y**3+4*y-4), (y, 0, 1))
a =
SherjilOzair wrote:
Thank you Mr Aaron,
Many issues like issue 754 which interest me, but when I try to
reproduce the error, It's already fixed.
Yes...the last few comments of the issue state the same. The thing to do (that
is easy) is to add the expressions that used to raise errors to the
SherjilOzair wrote:
Please direct me to easy-to-fix issues that have NOT been solved.
I was also wondering if I could do a small part of the project ideas
on the ideas page.
You might check any of the following:
2213, 2180, 2172, 2151, 2013, 2012, 2011, 1991, 1935, 1931, 1743, 1727, 1621,
How to edit modules to make patches ?
What is the cleanest method to do this, that will make debugging and
testing easier ?
I'm working on the vectorization of subs.
Will make it possible that one can give a list of substitutions for a
variable.
for example,
x=Symbol('x')
e=x**2
a=[1,2,3]
Le jeudi 17 mars 2011 à 08:21 -0700, SherjilOzair a écrit :
https://github.com/sympy/sympy/pull/132
1321 and many more on your list have been solved.
No, 1321 hasn't been fixed:
In [1]: sin(0.1)
Out[1]: sin(0.1)
The desired result is what N(sin(0.1)) currently returns:
0.0998334166468282.
On Thu, Mar 17, 2011 at 1:34 AM, Øyvind Jensen jensen.oyv...@gmail.com wrote:
ma., 14.03.2011 kl. 11.00 -0700, skrev Ondrej Certik:
On Mon, Mar 14, 2011 at 3:11 AM, Øyvind Jensen jensen.oyv...@gmail.com
wrote:
Alexander, All,
How is it going with your tensor implementation? I put
Le jeudi 17 mars 2011 à 10:12 -0700, SherjilOzair a écrit :
How to edit modules to make patches ?
What is the cleanest method to do this, that will make debugging and
testing easier ?
To send us your changes, the best way is to use git. See
Mr. Ronan,
You've been a great help. Please help me start up my suggesting me a
small project or patch.
I would be very grateful.
Thanks,
Sherjil
On Mar 17, 10:46 pm, Ronan Lamy ronan.l...@gmail.com wrote:
Le jeudi 17 mars 2011 à 10:12 -0700, SherjilOzair a écrit :
How to edit modules to
to., 17.03.2011 kl. 10.35 -0700, skrev Brian Granger:
On Thu, Mar 17, 2011 at 1:34 AM, Øyvind Jensen jensen.oyv...@gmail.com
wrote:
ma., 14.03.2011 kl. 11.00 -0700, skrev Ondrej Certik:
On Mon, Mar 14, 2011 at 3:11 AM, Øyvind Jensen jensen.oyv...@gmail.com
wrote:
Alexander, All,
23.02.2011 06:12, Ronan Lamy пишет:
I think that a significant part of the difficulties in the discussions
about Taylor series and the like has been the lack of a common and
unambiguous vocabulary. So, I've started a wiki page defining some
concepts in order to clarify things:
SherjilOzair wrote:
Mr. Ronan,
You've been a great help. Please help me start up my suggesting me a
small project or patch.
I would be very grateful.
Issue 2180, 2198 or 2200.
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On Thu, Mar 17, 2011 at 7:41 AM, SherjilOzair sherjiloz...@gmail.com wrote:
Hello,
I say Mr. Ondrej's on 'missing things from mathematica' and I'm
interested to make the array class.
Requesting Mr. Ondrej or anyone else to give a tentative list of
features for it that should expected of a
For issue 2200, we didn't decide if limit(sin(x), x, oo) should raise an error
or should return nan (or something else).
Aaron Meurer
On Mar 17, 2011, at 1:25 PM, Chris Smith wrote:
SherjilOzair wrote:
Mr. Ronan,
You've been a great help. Please help me start up my suggesting me a
small
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