On Friday, December 19, 2014 7:20:58 AM UTC+1, Alok Gahlot wrote:
> Dear member of the groups , i have a problem i basics ., my question is
> what is the difference in contravariant and covariant tensor
>
http://en.wikipedia.org/wiki/Covariance_and_contravariance_of_vectors
For questions abou
On Friday, December 19, 2014 2:47:44 AM UTC+3, Richard Fateman wrote:
>
> Please forgive me if this is off track -- I've never used assumptions in
> sympy, and
> don't know much about sympy implementation.
>
Actually, we have two:
sympy/core/assumptions.py (old one)
and
sympy/assumptions/ (new)
hello all i was going through sympy module and while going through the
sample tutorial i found sympy.sqrt(x) which in turn would return me a
positive integer multiplied by a number whose square root value won't be an
integer .. so i took a very big number of the order of 100 digits and it
retur
Hi everyone
I am Gaurav and i am pursuing my B.Tech in Computer Science (3 year) from
IIIT Hyderabad (India).I am a Mathematics and science lover and programming
enthusiast.I have a done many academic projects in python and eager to
learn more. I want to contribute to sympy. Please tell me how
Hello,
Read this: https://github.com/sympy/sympy/wiki/introduction-to-contributing
On Friday, December 19, 2014 10:39:56 AM UTC-6, GAURAV MISHRA wrote:
>
> Hi everyone
> I am Gaurav and i am pursuing my B.Tech in Computer Science (3 year) from
> IIIT Hyderabad (India).I am a Mathematics and sci
The algorithm is here
https://github.com/sympy/sympy/blob/2e4e90b1b0243c85949eb1633f0546466b00829f/sympy/core/numbers.py#L1758-L1862.
The workhorse is factorint (Integer.factor()), whose algorithm is at
https://github.com/sympy/sympy/blob/2e4e90b1b0243c85949eb1633f0546466b00829f/sympy/ntheory/facto
On Thu, Dec 18, 2014 at 5:47 PM, Richard Fateman wrote:
> Please forgive me if this is off track -- I've never used assumptions in
> sympy, and
> don't know much about sympy implementation.
>
> But here's a problem that has come up in a number of other computer algebra
> system
> that are (in some
I got around to making a very lightweight Proof-of-Concept
in https://github.com/sympy/sympy/pull/8664
On Friday, December 19, 2014 10:02:04 PM UTC-6, Aaron Meurer wrote:
>
> On Thu, Dec 18, 2014 at 5:47 PM, Richard Fateman > wrote:
> > Please forgive me if this is off track -- I've never used
