New OpenOpt Suite release is out. This is free (license: BSD) and cross-platform (Linux, Windows, Mac etc) Python language modules for numerical optimization, automatic differentiation, solving systems of linear/nonlinear/ordinary differential equations etc. It is published quarterly since 2007, already has some essential applications and expected to become even more popular with Python release 3.3, where dynamic compilation will be implemented.
* Some improvements for automatic differentiation
* New feature: attached constraints
* New feature: oosystem
* Now you can model & solve ODE systems
* Function get_d2
* Add new stencil
See also: Full Changelog, Future Plans