Status: Accepted
Owner:
Labels: Type-Enhancement Priority-Medium Parsing
New issue 2971 by asmeu...@gmail.com: MathML Parser
http://code.google.com/p/sympy/issues/detail?id=2971
We should have a function that converts a mathml expression into a SymPy
object.
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Comment #2 on issue 2969 by mario.pe...@gmail.com: sqrt(sin(x)).series(x,
0, 7) is wrong
http://code.google.com/p/sympy/issues/detail?id=2969
p + O(x**7) means that p is equivalent to the sum of its monomials of order
less
than x**7, so that
```
Updates:
Status: Accepted
Labels: EasyToFix
Comment #1 on issue 2968 by asmeu...@gmail.com: partial fraction
decomposition should be able to return structured result
http://code.google.com/p/sympy/issues/detail?id=2968
This would not be difficult, as the information is all
Comment #1 on issue 2971 by j...@durchholz.org: MathML Parser
http://code.google.com/p/sympy/issues/detail?id=2971
The spec is at http://www.w3.org/TR/MathML3/ .
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Comment #2 on issue 2960 by hunt...@gmail.com: It right 0 x 1 ?
http://code.google.com/p/sympy/issues/detail?id=2960
Hrm, I don't know if it'd helpful or wanted, and it ain't pretty (mostly
because it uses a global variable[1]), but attached is one possible method
to acquire a chained
Issue 1887: Separate boolean and symbolic relationals
http://code.google.com/p/sympy/issues/detail?id=1887
This issue is now blocking issue 2960.
See http://code.google.com/p/sympy/issues/detail?id=2960
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Updates:
Blockedon: 1887
Comment #3 on issue 2960 by asmeu...@gmail.com: It right 0 x 1 ?
http://code.google.com/p/sympy/issues/detail?id=2960
I was thinking that something like this might be possible. Some potential
issues I see so far:
- It does require some kind of global
Comment #4 on issue 2960 by hunt...@gmail.com: It right 0 x 1 ?
http://code.google.com/p/sympy/issues/detail?id=2960
Hmm. In regards to the second bullet point, I have again some
2-minutes-of-thoughts options. (Apologies, I am focused elsewhere so I
can't do any deep thinking on this
Comment #5 on issue 2960 by asmeu...@gmail.com: It right 0 x 1 ?
http://code.google.com/p/sympy/issues/detail?id=2960
* Through the use of a second global (well, it needn't be a global, but
it must be some storage that is accessible and external to, in this case,
LT and test), I would
Comment #15 on issue 2587 by anxuiz...@gmail.com: Strange printing at SymPy
Live
http://code.google.com/p/sympy/issues/detail?id=2587
After further investigation it appears that the assumptions for the two
exponents in x**2+x**-2 are pointing to the same object after pickling.
In [1]:
Comment #16 on issue 2587 by anxuiz...@gmail.com: Strange printing at SymPy
Live
http://code.google.com/p/sympy/issues/detail?id=2587
According to the pickle documentation [0], equivalent objects are combined
and stored by reference instead of by value. This presents a problem in
our
Comment #17 on issue 2587 by anxuiz...@gmail.com: Strange printing at SymPy
Live
http://code.google.com/p/sympy/issues/detail?id=2587
Looks like Pickler has a field fast for disabling the optimization. I
wrote a fast_dumps function and it appears to work:
In [1]: from pickle import
Status: Accepted
Owner:
Labels: Type-Defect Priority-Low
New issue 2972 by someb...@bluewin.ch: Autoevaluation of functions for
floats and complex floats
http://code.google.com/p/sympy/issues/detail?id=2972
Consider the following list of numbers:
In [2]: vals = [2, 2.0, 2j, 2.0j, 2+2j,
Status: Accepted
Owner:
Labels: Type-Defect Priority-Medium Physics Quantum
New issue 2973 by krastano...@gmail.com: raise an error on impossible spin
states in physics.quantum
http://code.google.com/p/sympy/issues/detail?id=2973
JzKet(one/2,0) returns and is happily used by all the CG
Updates:
Labels: EasyToFix
Comment #1 on issue 2973 by krastano...@gmail.com: raise an error on
impossible spin states in physics.quantum
http://code.google.com/p/sympy/issues/detail?id=2973
(No comment was entered for this change.)
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Comment #2 on issue 2973 by krastano...@gmail.com: raise an error on
impossible spin states in physics.quantum
http://code.google.com/p/sympy/issues/detail?id=2973
Spin states are supposed to have m (the second argument) in the set [-j,
-j+1, .. j] (j is the first argument)
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Updates:
Labels: -NeedsReview
Comment #4 on issue 2759 by asmeu...@gmail.com: Implement the forumlas from
the matrix cookbook
http://code.google.com/p/sympy/issues/detail?id=2759
That was merged.
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I have mathMl string. i want this to convert into sympy format. Do we have
any MathMl to sympy format parser available ?
Thanks,
Ghanshyam Agrawal
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It works in 0.7.1:
In [1]: Symbol('x, y')
Out[1]: x, y
In [2]: type(Symbol('x, y'))
Out[2]: sympy.core.symbol.Symbol
In [10]: Symbol(Car[2010, 'prius', 2008])
Out[10]: Car[2010, 'prius', 2008]
In [11]: type(Symbol(Car[2010, 'prius', 2008]))
Out[11]: sympy.core.symbol.Symbol
By the way,
Mea culpa. I see now the difference you were trying to impart: Symbol (the
class) vs symbols (the function). Pardon me as I misstep more than a few
times while learning Sympy.
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We don't. I created
http://code.google.com/p/sympy/issues/detail?id=2971 for this.
Perhaps you could find some other program that converts mathml into a
string that can then be sent to sympify().
Aaron Meurer
On Sat, Jan 7, 2012 at 12:59 AM, gsagrawal gsagra...@gmail.com wrote:
I have mathMl
No worries. Let us know if you have any other questions.
Aaron Meurer
On Sat, Jan 7, 2012 at 1:33 AM, Kevin Hunter hunt...@gmail.com wrote:
Mea culpa. I see now the difference you were trying to impart: Symbol (the
class) vs symbols (the function). Pardon me as I misstep more than a few
Hullo Sympy Group,
How can I get Sympy to recognize 2+ inequalities in the same expression?
In mathematical optimization it is common to see (and often very
convenient to use) constraint expressions like these:
*3*x = 2*y +10 = 3*z*
*10*x = 15*y = 20*z = t*
Which are actually 2 and 3
Hi.
There's an issue for this too:
http://code.google.com/p/sympy/issues/detail?id=2960
Python evaluates a b c as (a b) and (b c). Since it's
impossible to override the and operator, this always returns the
first one if it evaluate to True or the second one if it evaluate to
True (or False
Hmm, so I have some example code that I just threw together that implements
a multiple inequality. It isn't pretty in that I spent 5 minutes working
it, and it uses a global, etc., but it's a proof of concept:
-
*In [1]: a, b, c, d = test('A'), test('B'), test('C'), test('D')*
*
*
*In [2]:
Hi.
I posted my comments on the issue page.
Aaron Meurer
On Sat, Jan 7, 2012 at 4:16 AM, Kevin Hunter hunt...@gmail.com wrote:
Hmm, so I have some example code that I just threw together that implements
a multiple inequality. It isn't pretty in that I spent 5 minutes working
it, and it uses
When I tried to execute:
In [27]: couple(TensorProduct(JzKet(1,0),JzKet(one/2,0)))
# one is Integer(1)
I got expressions containing factorial(1/2) and other strange things. I
thought that it's a bug but then I saw that I have written JzKet(one/2,0)
which is nonsensical. I suppose it makes sense
On Fri, Jan 6, 2012 at 5:44 AM, Aaron Meurer asmeu...@gmail.com wrote:
So should make htmli18n be run before uploading the docs to docs.sympy.org?
Yes.
Ondrej
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While we do have basic non-commutative differentiation implemented, we
don't have the rules involving things like transposes and norms
implemented yet. See
http://code.google.com/p/sympy/issues/detail?id=2759.
Aaron Meurer
2012/1/7 Ondřej Čertík ondrej.cer...@gmail.com:
Hi John,
On Sat, Jan
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