20 Dec 2009
- many documentation improvements, including docstrings and doctests
- new assumptions system (See assumptions documentation for more information or have a look at Fabian's blog.)
- 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 (See ODE documentation for full details or Aaron's blog).
- 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