On Tue, Dec 23, 2014 at 05:57:15AM -0800, Bill Hart wrote:
I just noticed a spelling error in one of the diagrams (on page 8 of
0). Resources is misspelled ressources.
Thanks!
Still looking forward much feedback from the community!
Note: the proposal file [1] went accidently missing
Hello,
while working on a ticket I encountered different behaviour of python sum
in Sage regarding whether the sum (over a symbolic expression applied to a
range)
was given on the command line vs. in Sage-lib (python file) within a
function definition.
Specifically, applying this one-line patch
range() is a list of integers.
In a Python file, (-1)**k and factorial(k) are Python ints, so the quotient
is C division.
On the Sage command line, -1 is preparsed to a Sage integer. So (-1)**k is
a Sage integer and factorial(k) is a Python int, and coercion computes the
quotient in QQ.
On
Is it possible to make sphinx generate html code that is hidden with a
toggle button when it encounter a Technical details:: section? That could
be a good compromise solution.
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Nathann, if you're still tens of kilometers away from the nearest pub, you
might want to turn all the info here into proper documentation?
On Sunday, December 28, 2014 1:45:26 AM UTC+1, Nils Bruin wrote:
On Saturday, December 27, 2014 3:13:37 PM UTC-8, Simon King wrote:
That's exactly what I
On Sunday, December 28, 2014 11:42:57 AM UTC+1, Volker Braun wrote:
In a Python file, (-1)**k and factorial(k) are Python ints, so the
quotient is C division.
That explains the wrong result and helps me with the ticket, many thanks!
Presumably, not importing works because there is pyc
Sympy implements its own integer type with math division:
sage: import sympy
sage: type(sympy.factorial(int(12)))
class 'sympy.core.numbers.Integer'
sage: int(1) / sympy.factorial(int(12))
1/479001600
On Sunday, December 28, 2014 2:58:55 PM UTC+1, Ralf Stephan wrote:
On Sunday, December 28,
On 2014-12-27 13:35, Volker Braun wrote:
IMHO you should strive to never use direct CPython API in Cython
programs. Almost all uses in Sage are just vestiges of older times where
Cython wasn't able to do something. But Cython is much more capable
nowadays, use it to write clear and expressive
Is it possible to make sphinx generate html code that is hidden with a
toggle button when it encounter a Technical details:: section? That could
be a good compromise solution.
Funny that you ask. This is what I wrote to Sphinx-devel 10 days ago:
Nathann, if you're still tens of kilometers away from the nearest pub, you
might want to turn all the info here into proper documentation?
Have you considered writing it yourself ? I am already a state
employee from Monday to Friday, and with combinatorial designs and the
developer's manual I
Hi!
On 2014-12-28, Jeroen Demeyer jdeme...@cage.ugent.be wrote:
The idea of Cython is really that you shouldn't need to know the C API
to write good Cython code. If Cython knows the types of the objects, it
will generate efficient code.
Then I wonder what to do at #17435.
Each term of an
On Sunday, December 28, 2014 10:44:51 AM UTC-8, Simon King wrote:
Hi!
On 2014-12-28, Jeroen Demeyer jdem...@cage.ugent.be javascript:
wrote:
The idea of Cython is really that you shouldn't need to know the C API
to write good Cython code. If Cython knows the types of the objects, it
Hi Nils,
On 2014-12-28, Nils Bruin nbr...@sfu.ca wrote:
That's not immediately clear. An array of pointers is a little more compact
than a linked list, and allocating an array at once should be a little more
efficient than allocating multiple nodes of a linked list.
An array of fixed size
When starting from scratch I would go with the first option. Cleaner code,
easier to write and debug, and if the coefficient is already a Python
object then the overhead is already bounded by a factor of 2.
If that is not fast enough then I would implement the polynomials as C++
templates and
On 23 December 2014 at 00:55, Robert Jacobson rljacob...@gmail.com wrote:
On Sunday, 21 December 2014 23:56:24 UTC-5, Dr. David Kirkby (Kirkby
Microwave Ltd) wrote:
There is an open source command line interface to Mathematica. IIRC it
uses curses so one can recall previous input, edit it
Hi Volker,
On 2014-12-28, Volker Braun vbraun.n...@gmail.com wrote:
When starting from scratch I would go with the first option. Cleaner code,
easier to write and debug, and if the coefficient is already a Python
object then the overhead is already bounded by a factor of 2.
In fact, a year
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