Re: Fix for ISSUE 626, cleaner implementation, all as one patch

2009-05-29 Thread Luke
Happy to help. On May 26, 9:48 pm, Ondrej Certik ond...@certik.cz wrote: The patch looks good, it's in. Thanks! On Mon, May 25, 2009 at 4:44 PM, Luke hazelnu...@gmail.com wrote: Attached is the patch that Fixes issue 626 and allows for solve() to handle Function and Derivative instances,

Re:

2009-05-29 Thread Ondrej Certik
On Thu, May 28, 2009 at 7:10 PM, Chris Smith smi...@gmail.com wrote: If all sympy objects don't have the same attributes then that adds an extra layer of testing to the code. When a match is made and the test is being made if it's a good function match or not, the expr should not be

Re:

2009-05-29 Thread Ondrej Certik
On Thu, May 28, 2009 at 7:09 PM, Chris Smith smi...@gmail.com wrote: - Original Message - From: Chris Smith smi...@gmail.com To: sympy-patches@googlegroups.com Sent: Thursday, May 28, 2009 4:23 PM OK...here's my first patch tiny patch fixing tsolve's quit after a linear factor.

First Order Homogeneous Differential Equations

2009-05-29 Thread Aaron S. Meurer
Here is the latest bit from my Google Summer of Code Project. dsolve can now solve first order equations that can be written as y' == f(y/ x). These are called first order homogeneous differential equations. This will also have exact and my logcombine function in it, since neither of