On Jun 9, 11:13 pm, "Gary Furnish" <[EMAIL PROTECTED]> wrote:
> After Pearu suggested I give the microbenchmark on sympycore a try, I
> can't seem to get more then 9000 expands on recent hardware.
> I am running:
>
> In [54]: a,b,c = Rational(1,2), Rational(2,3), Rational(4,5)
> In [64]: %timeit
On Mon, Jun 9, 2008 at 6:53 AM, Mark Dewing <[EMAIL PROTECTED]> wrote:
>
> Would it be useful to add a 'format hint' field to the nodes?
> Expressions would remain stored as they are now, but the formatters
> could use the hints to adjust the form of the output.
>
> For example, if a user enters s
On Tue, Jun 10, 2008 at 1:30 AM, Ondrej Certik <[EMAIL PROTECTED]> wrote:
> On Tue, Jun 10, 2008 at 1:13 AM, Gary Furnish <[EMAIL PROTECTED]> wrote:
>>
>> After Pearu suggested I give the microbenchmark on sympycore a try, I
>> can't seem to get more then 9000 expands on recent hardware.
>> I am ru
On Tue, Jun 10, 2008 at 1:13 AM, Gary Furnish <[EMAIL PROTECTED]> wrote:
>
> After Pearu suggested I give the microbenchmark on sympycore a try, I
> can't seem to get more then 9000 expands on recent hardware.
> I am running:
>
> In [54]: a,b,c = Rational(1,2), Rational(2,3), Rational(4,5)
> In [64
After Pearu suggested I give the microbenchmark on sympycore a try, I
can't seem to get more then 9000 expands on recent hardware.
I am running:
In [54]: a,b,c = Rational(1,2), Rational(2,3), Rational(4,5)
In [64]: %timeit (3*(a*x + b*y + c*z)).expand()
1 loops, best of 3: 110 µs per loop
Ho
On Jun 9, 9:18 am, "Ondrej Certik" <[EMAIL PROTECTED]> wrote:
> On Mon, Jun 9, 2008 at 10:40 AM, Pearu Peterson
>
> <[EMAIL PROTECTED]> wrote:
>
> > Hi,
>
> > Just a quick note that could be relevant to the discussion:
> > check also out
>
> >http://code.google.com/p/sympycore/wiki/MatrixSupport
Ondrej Certik wrote:
>> Disadvantage -- if one needs to set entries of a Matrix using the
>> syntax "A[1, 2] = y" not only at the beginning of the calculaton, but
>> also in the middle, then he would have to do: A = Matrix(Array(A)[1,2]
>> = y). Of course A[1,2] = y would create an exception sayin
On Mon, Jun 9, 2008 at 10:40 AM, Pearu Peterson
<[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> Just a quick note that could be relevant to the discussion:
> check also out
>
> http://code.google.com/p/sympycore/wiki/MatrixSupportIdeas
>
> that contains ideas how to deal with mutable matrices in
> operatio
On Mon, Jun 9, 2008 at 8:38 AM, Gael Varoquaux
<[EMAIL PROTECTED]> wrote:
>
> On Sun, Jun 01, 2008 at 06:20:44AM -0700, Vinzent Steinberg wrote:
>> IMHO it's awesome. Let's switch to this way of distribution of sympy
>> and its third party modules. (Additionally there could be of course a
>> tar b
On Mon, Jun 9, 2008 at 8:33 AM, Gael Varoquaux
<[EMAIL PROTECTED]> wrote:
>
> On Thu, May 22, 2008 at 08:57:20AM +0200, Ondrej Certik wrote:
>> I think it's finally time to create a good webpage for sympy.org,
>> since we already have:
>
>> http://docs.sympy.org/
>> http://wiki.sympy.org/
>> http:
Hi,
Just a quick note that could be relevant to the discussion:
check also out
http://code.google.com/p/sympycore/wiki/MatrixSupportIdeas
that contains ideas how to deal with mutable matrices in
operations where they should be immutable, all in a very efficient
way.
The idea is based on using v
Ondrej Certik wrote:
> Let's clean this up. I sent an email to the numpy-list asking for an advice:
>
> http://projects.scipy.org/pipermail/numpy-discussion/2008-June/034801.html
I agree with Robert Kern's view that sympy.Matrix should not be tied to
numpy.matrix - the latter in numpy has a lim
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