Here's a first pass at replacing the tuple in the Sum/Integral limits
with Tuple.
http://github.com/markdewing/sympy/tree/limit-tuple
All the tests pass, but I didn't try it beyond the set of tests.
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In branch 2003 (github/smichr/2003) significant reorganization of
factoring behavior was made. Anyone who is interested in such things
can test it out and provide feedback.
The big change (inspired by the discussion of "cancellation in sqrt(a
* x**2) / (b * x), with x being a NUMBER") was to relea
This looks good. Can you send a pull request to sympy/sympy:master via GitHub?
Just click the "Pull Request" button in GitHub in your branch, and make sure
it is sent to sympy/sympy:master.
Aaron Meurer
On Oct 3, 2010, at 6:49 AM, Mark Dewing wrote:
> Here's a first pass at replacing the tup
Great! Can you send that pull request through GitHub. It makes reviewing a
branch SUPER easy. All you have to do is send the request once. Everything
else is done automatically, e.g., it updates itself when you push to the
branch, it closes itself when it is merged in with master, it notifie
Hello,
I've been testing my script again to perform algebraic re-arrangement of
equations, and I've found that the sample expression (expr) given below
does not seem to be re-arranged correctly.
As discussed on this mailing list, I would like to set up the
generate_fdtd() function to do the
On Sun, Oct 3, 2010 at 5:34 PM, Nicholas Kinar wrote:
> Hello,
>
> I've been testing my script again to perform algebraic re-arrangement of
> equations, and I've found that the sample expression (expr) given below does
> not seem to be re-arranged correctly.
>
> As discussed on this mailing list,
I am currently using the fix_collect branch of Oyvind's repository, and I've
also changed the code so that Idx is subclassed from Expr.
This has been pushed in, so you can use the official master again.
Aaron Meurer
Thank, Aaron; that's good to know, since now I can write research
Nicholas Kinar wrote:
>> However, as the output shows below, the term p(1,
>> 2)**n/(deltat**2*deltax**2) is still on the LHS of the expression, to
>> the immediate left of the == sign. As I understand, the
If you use master it all works. IndexedElement is now called IndexedBase (but
you weren't
Aaron S. Meurer wrote:
> While you are doing that, I have one question. You state that trial
> division is faster than the more advanced algorithm in factorint.
> Have you throughly tested this with timings? This is a sensitive
> part of the code, so I only want to make sure that it is as fast a
Nicholas Kinar wrote:
However, as the output shows below, the term p(1,
2)**n/(deltat**2*deltax**2) is still on the LHS of the expression, to
the immediate left of the == sign. As I understand, the
If you use master it all works. IndexedElement is now called IndexedBase (but
you
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