Status: New
Owner:
Labels: Type-Defect Priority-Medium
New issue 3129 by nathan.f...@gmail.com: Drastic change to sympy.stats:
Adding concept of Probability Distributions on surface level
http://code.google.com/p/sympy/issues/detail?id=3129
Currently, you create a random variable from a
Comment #2 on issue 3109 by smi...@gmail.com: sqrt(exp(4*a)) != exp(2*a)
http://code.google.com/p/sympy/issues/detail?id=3109
https://github.com/sympy/sympy/pull/1105 has changes which modify power
rules. Tom might want to take a look since there are exp_polar related
changes; and it would b
Comment #7 on issue 2430 by asmeu...@gmail.com: Expression Countable Set
http://code.google.com/p/sympy/issues/detail?id=2430
Personally, I don't see why any of the sets should be in the core (unless
I'm missing some fundamental core use of them). We should have a sets
module.
I don't hav
Comment #6 on issue 2430 by mrock...@gmail.com: Expression Countable Set
http://code.google.com/p/sympy/issues/detail?id=2430
-- Why is N._inf == -oo and N._sup == 0?
this is just a typo
-- So you are using the definition of natural numbers that includes 0?
Yes although I think I decided this w
Comment #18 on issue 3086 by asmeu...@gmail.com: round() function overrides
built-in
http://code.google.com/p/sympy/issues/detail?id=3086
You must mean non-numeric, b/c
Ah yes. I always forget the scope of the Number class. So I guess it will
have to be a method of Expr if we go that r
Comment #2 on issue 3119 by asmeu...@gmail.com: Matrix Exponential
http://code.google.com/p/sympy/issues/detail?id=3119
Matrix.exp works for the diagonalizable case, and shouldn't be too hard to
extend to the non-diagonalizable case.
Maple's version of this includes an extra argument for a p
Comment #5 on issue 2430 by asmeu...@gmail.com: Expression Countable Set
http://code.google.com/p/sympy/issues/detail?id=2430
Cool. We may need to change the names, as they conflict with single letter
names that we already have. I think it would be best to just use ZZ, NN,
etc. We'll need
Status: Accepted
Owner:
Labels: Type-Enhancement Priority-Medium Concrete
New issue 3128 by asmeu...@gmail.com: Sum and Product manipulations
http://code.google.com/p/sympy/issues/detail?id=3128
In a similar vein to issue 2297, we should have functions to make it easy
to combine and gener
Comment #1 on issue 3119 by someb...@bluewin.ch: Matrix Exponential
http://code.google.com/p/sympy/issues/detail?id=3119
For the special but very important case of an arbitrary 2x2 matrix we have
a simple formula. (Of course obtained by eigenvalue decomposition) I
implemented this
several t
Comment #4 on issue 2430 by mrock...@gmail.com: Expression Countable Set
http://code.google.com/p/sympy/issues/detail?id=2430
I've been playing with an idea for this here
https://github.com/mrocklin/sympy/blob/countable_set/sympy/core/fancysets.py
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Comment #2 on issue 3123 by mrock...@gmail.com: Naming conventions in
sympy/stats/
http://code.google.com/p/sympy/issues/detail?id=3123
* Density, Where, Given, Sample, CDF, Skewness: these are functions, so
their name should be lowercase
These were originally intended to be classnames like
Updates:
Labels: -CodeInCategory-Code -CodeInDifficulty-Medium
-CodeInImportedIntoMelange NeedsReview smichr
Comment #5 on issue 2857 by smi...@gmail.com: sqrt(2).is_irrational is None
(should be True)
http://code.google.com/p/sympy/issues/detail?id=2857
https://github.com/sympy/sympy/pul
Status: Accepted
Owner:
Labels: Type-Defect Priority-Medium smichr NeedsReview
New issue 3127 by smi...@gmail.com: rop should be rop_cls in
Relational.__new__
http://code.google.com/p/sympy/issues/detail?id=3127
Although rop is entered as an argument, it is converted to a class and
sho
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