Updates:
Status: Invalid
Comment #2 on issue 1373 by fab...@fseoane.net: Order of exponential is not
constant
http://code.google.com/p/sympy/issues/detail?id=1373
True, i was thinking of x - infinity
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Comment #2 on issue 1282 by thinred: missing \times in latex output
http://code.google.com/p/sympy/issues/detail?id=1282
Is this really a bug? Latex printer allows to specify 4 types of
multiplication
symbols. By default it is empty. Example:
latex(4*x, mul_symbol='times')
'$4 \\times x$'
Comment #3 on issue 1282 by nicolas.pourcelot: missing \times in latex
output
http://code.google.com/p/sympy/issues/detail?id=1282
Yes, I think this is clearly a bug, or at least an undesirable behaviour.
'ab' is standard shortcut for a*b, so it should remain standard latex()
output as
Updates:
Status: Verified
Comment #21 on issue 339 by fab...@fseoane.net: Series and expand as
functions
http://code.google.com/p/sympy/issues/detail?id=339
thanks, barry. Both patches in.
Next time could you please send git patches instead of plain patches (git
commit -a; git
Comment #22 on issue 339 by fab...@fseoane.net: Series and expand as
functions
http://code.google.com/p/sympy/issues/detail?id=339
Barry, what is your email so i can add you to the credits?
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Status: Accepted
Owner: abro...@verizon.net
Labels: Type-Defect Priority-Medium
New issue 1375 by abro...@verizon.net: Documentation problem with
python-sphinx
http://code.google.com/p/sympy/issues/detail?id=1375
python-sphinx is not always (most of the time it works ok) translating
commands
Updates:
Labels: NeedsReview
Comment #10 on issue 1306 by fab...@fseoane.net: Test the rst docs
http://code.google.com/p/sympy/issues/detail?id=1306
Here is a patch with all tests ok.
However, i suspect that some test will fail on 64bit computers. Could
someone test that?
Comment #1 on issue 1374 by akshaysrinivasan: simplify(x**2-x**2.0) does
not yield 0.
http://code.google.com/p/sympy/issues/detail?id=1374
Here's a hack to fix this.
Attachments:
0001-Hack-for-simplification-decimal-powers.patch 841 bytes
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Comment #23 on issue 339 by barry.wardell: Series and expand as functions
http://code.google.com/p/sympy/issues/detail?id=339
I'm still a bit new to git (more used to svn). Next time I will use
format-patch.
My email is my username + @gmail.com.
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Comment #4 on issue 1373 by fab...@fseoane.net: Order of exponential is not
constant
http://code.google.com/p/sympy/issues/detail?id=1373
yeah, sorry about that. I has confused by wikipedia
http://en.wikipedia.org/wiki/Big_O_notation#Formal_definition
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Updates:
Status: Started
Cc: ondrej.certik
Comment #12 on issue 694 by asmeurer: Add tests from Review of CAS
mathematical capabilities, by Michael Wester
http://code.google.com/p/sympy/issues/detail?id=694
Ondrej, I've started adding tests to the file in your git hub, but I
Comment #9 on issue 1274 by akshaysrinivasan: trigsimp doesn't like decimals
http://code.google.com/p/sympy/issues/detail?id=1274
I gave it a shot and I came to realise that in trigsimp sin(x)**2.0 gets
substituted
by 1-cos(x)**2, but the resulting expression 1-cos(x)**2.0+cos(x)**2 does
Updates:
Cc: fredrik.johansson
Comment #2 on issue 1374 by ondrej.certik: simplify(x**2-x**2.0) does not
yield 0.
http://code.google.com/p/sympy/issues/detail?id=1374
What about doing this in the Real? E.g.
Real(2.0) - Integer(2) automatically?
CCing to Fredrik (floating points
Updates:
Labels: Milestone-Release0.6.5
Comment #3 on issue 1374 by ondrej.certik: simplify(x**2-x**2.0) does not
yield 0.
http://code.google.com/p/sympy/issues/detail?id=1374
(No comment was entered for this change.)
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Comment #4 on issue 1374 by fredrik.johansson: simplify(x**2-x**2.0) does
not yield 0.
http://code.google.com/p/sympy/issues/detail?id=1374
It is debatable whether the Integer and Real exponent should be considered
cancellable. Mathematica doesn't think so:
In[1]:= x^2.0 - x^2
2
Ondrej Certik wrote:
if the method='scipy' is specified, the scipy.integrate.quad function is
called
on the lambdified argument of the integral.
Tests were added to sympy/test_external/test_scipy.py
Signed-off-by: Ondrej Certik ond...@certik.cz
---
sympy/core/evalf.py
---
sympy/printing/ccode.py| 21 +
sympy/printing/tests/test_ccode.py | 27 ++-
2 files changed, 39 insertions(+), 9 deletions(-)
diff --git a/sympy/printing/ccode.py b/sympy/printing/ccode.py
index e62786e..a1341b5 100644
---
Hi all,
Ok, so that yahoo email is answered by the same person as the gmail
one and he wrote me that his messages were not meant as spam, that in
some countries they are secretly developing a new aircraft with a
totally different concept and he was curious how many people know
about it.
A
On Tue, Apr 7, 2009 at 10:50 AM, Freddie Witherden
fred...@witherden.org wrote:
Hi all,
Ok, so that yahoo email is answered by the same person as the gmail
one and he wrote me that his messages were not meant as spam, that in
some countries they are secretly developing a new aircraft with a
I am trying to understand physics.units. Here is an ipython session
illustrating my mental block
In [32]: from sympy.physics.units import *
In [33]: V/ohm
Out[33]: A -- This makes sense.
In [34]: A*ohm
Out[34]: m**2*kg/(A*s**3) -- Why not 'V'?
In [35]: V/A
Out[35]:
On Tue, Apr 7, 2009 at 10:18 PM, flyeng4 flye...@gmail.com wrote:
I am trying to understand physics.units. Here is an ipython session
illustrating my mental block
In [32]: from sympy.physics.units import *
In [33]: V/ohm
Out[33]: A -- This makes sense.
In [34]: A*ohm
Out[34]:
On Tue, Apr 7, 2009 at 20:28, Fredrik Johansson
fredrik.johans...@gmail.com wrote:
On Wed, Apr 8, 2009 at 2:44 AM, Robert Kern robert.k...@gmail.com wrote:
On Tue, Apr 7, 2009 at 15:18, flyeng4 flye...@gmail.com wrote:
In [40]: 1/s
Out[40]: 1/s -- Makes sense but might be 'hz'?
You need
On Tue, Apr 7, 2009 at 7:32 PM, Fredrik Johansson
fredrik.johans...@gmail.com wrote:
The simplest workaround would be to recognize simpler forms for units
at the pretty-printing stage.
For my particular application I need a simpler 'pretty form'. I am trying
to do something similar to the
On Tue, Apr 7, 2009 at 7:30 PM, William Purcell flye...@gmail.com wrote:
On Tue, Apr 7, 2009 at 7:32 PM, Fredrik Johansson
fredrik.johans...@gmail.com wrote:
The simplest workaround would be to recognize simpler forms for units
at the pretty-printing stage.
For my particular application I
On Tue, Apr 7, 2009 at 22:18, Fredrik Johansson
fredrik.johans...@gmail.com wrote:
On Wed, Apr 8, 2009 at 3:35 AM, Robert Kern robert.k...@gmail.com wrote:
I disagree, 1/s is the definition of the hertz, period (pun accidental :-).
Sorry, but that's just not true. There are other 1/s
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