Hi all,
we just released a new version of SymPy, get it here [0].
Many things got changed, including:
* many documentation improvements, including docstrings and doctests
* new assumptions system (GSoC) (See assumptions documentation for
more information or have a look at Fabian's blog [1].)
o Note: This is going to replace the old assumption system.
It is encouraged to use it for new code, however it is not completely
finished and parts of sympy have yet to be rewritten to use it; this
scheduled for the 0.7 release.
* improvements to test runner
* printing improvements (especially LaTeX, but also mathml and
pretty printing)
* discriminant of polys
* block diagonal methods for matrices
* vast improvements to solving of ODEs (GSoC) (See ODE
documentation for full details or Aaron's blog [2]).
* logcombine function
* improvements to sets
* better trigonometric simplification
* improvements to piecewise functions
* improvements to solve() and nsolve()
* improvements to as_numer_denom()
* much better quartic and cubic polynomial rootfinding
* code refactoring and cleanup
* physics: coupled clusters and wick expansion
* matrices: symbolic QR solving
* mpmath updated
* pyglet updated
* many, many bug fixes and small improvements
For a more detailed changelog see the git history [3].
The following 22 people have contributed patches to this release
(sorted alphabetically):
* Aaron Meurer
* Alan Bromborsky
* Andy R. Terrel
* Bill Flynn
* Chris Smith
* Eh Tan
* Fabian Pedregosa
* Fredrik Johansson
* Jorn Baayen
* Julio Idichekop Filho
* Kevin Goodsell
* Łukasz Pankowski
* Luke Peterson
* Øyvind Jensen
* Ondrej Certik
* Oscar Benjamin
* Priit Laes
* Renato Coutinho
* Ronan Lamy
* Ryan Krauss
* Ted Horst
* Toon Verstraelen
* Vinzent Steinberg
The following 10 people helped reviewing patches:
* Aaron Meurer
* Andy R. Terrel
* Chris Smith
* Fabian Pedregosa
* Fredrik Johansson
* Luke Peterson
* Mateusz Paprocki
* Ondrej Certik
* Ronan Lamy
* Vinzent Steinberg
Also many thanks to the people that helped testing: Aaron Meurer and
David Joyner.
The next release will be 0.7.0. We intend to completely replace the
old assumptions system with the new one and to merge Mateusz's polys
branch [4], which will bring many improvements to SymPy's
functionality.
Happy Christmas to you all
Vinzent
[0] http://sympy.googlecode.com/files/sympy-0.6.6.tar.gz
[1] http://fseoane.net/blog/?cat=16
[2] http://asmeurersympy.wordpress.com/
[3] http://git.sympy.org/?p=sympy.git;a=summary
[4] http://code.google.com/p/sympy/issues/detail?id=1598
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