Status: Accepted
Owner: asmeu...@gmail.com
Labels: Type-Defect Priority-Medium CodeInCategory-Code
CodeInDifficulty-Easy
New issue 2793 by asmeu...@gmail.com: The dsolve solver for 1st_exact
should use integration
http://code.google.com/p/sympy/issues/detail?id=2793
The method used by the 1st_exact solver is a nice one to use by hand, but
it's kind of flaky. I didn't realize at the time of writing it that you
can actually express the solution using integrals without introducing
parameters or dummy integration limits. This solution is given in Table II
of the paper "Symbolic Integration: The Stormy Decade" by Joel Moses. I
was able to download this paper for free from Google Scholar. If you
cannot access it and are interested in fixing this issue, contact me and I
will send it to you.
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