On Sat, Oct 11, 2008 at 13:13, didier deshommes <[EMAIL PROTECTED]> wrote:
>
> On Sat, Oct 11, 2008 at 1:50 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote:
>>> as soon as someone realizes that in CPython it is possible to speed up
>>> iteration over strings by creating a stringiterator type, then CPy
On Sat, Oct 11, 2008 at 8:13 PM, didier deshommes <[EMAIL PROTECTED]> wrote:
>
> On Sat, Oct 11, 2008 at 1:50 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote:
>>> as soon as someone realizes that in CPython it is possible to speed up
>>> iteration over strings by creating a stringiterator type, then C
On Sat, Oct 11, 2008 at 1:50 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote:
>> as soon as someone realizes that in CPython it is possible to speed up
>> iteration over strings by creating a stringiterator type, then CPython
>> will grow a 'str.__iter__' as well, and the same infinite recursion will
On Sat, Oct 11, 2008 at 7:34 PM, Armin Rigo <[EMAIL PROTECTED]> wrote:
> Hi,
>
> On Thu, Oct 09, 2008 at 02:19:35AM +0200, Ondrej Certik wrote:
>> if hasattr(i, "__iter__"):
>> RuntimeError: internal error:
>
> This occurs because our 'str' type has an '__iter__' special method. It
> turns o
> Not yet, but I want to play with this in sympy. So far there is only:
>
> $ examples/qft.py
>
> which calculates some simple scattering amplitude by direct
> multiplications of the dirac matrices. Do you have some particular
> example you'd like to play with? If so, I can try to implement that,
2008/10/11 Oyster <[EMAIL PROTECTED]>:
>
>
>
> Mateusz Paprocki 写道：
>> Hi Oyster,
>>
>> > I am using sympy 0.6.2 on py24, and I have pygame module. But I met
>> > this error. Does that mean pygame is not supported by sympy anymore?
>>
>> We decided to remove support for pygame because the same func
Mateusz Paprocki 写道：
> Hi Oyster,
>
> > I am using sympy 0.6.2 on py24, and I have pygame module. But I met
> > this error. Does that mean pygame is not supported by sympy anymore?
>
> We decided to remove support for pygame because the same functionality
> can be achieved with pyglet, which we
On Sat, Oct 11, 2008 at 2:15 AM, Brian Granger <[EMAIL PROTECTED]> wrote:
>
> Ondrej,
>
> On a related note...
>
> You mention that you have done QED related things with Sympy. Have
> you ever implemented creation and annihilation operators along with
> fock states in sympy?
Not yet, but I want
