A new release of the dynamical systems modeling toolbox PyDSTool is available from Sourceforge: http://www.sourceforge.net/projects/pydstool/ Highlights from the release notes: * Cleanup of global imports, especially: entire numpy.random and linalg namespaces no longer imported by default * Added support for 'min' and 'max' keywords in functional specifications (for ODE right-hand sides, for instance) * Optimization tools from third-party genericOpt (included with permission) and improved parameter estimation examples making use of this code * Numerical phase-response calculations now possible in PRC toolbox * Fully-fledged DSSRT toolbox for neural modeling (see wiki page) * New tests/demonstrations in PyDSTool/tests * Major improvements to intelligent expr2func (symbolic -> python function conversion) * Improved compatibility with cross-platform use and with recent python versions and associated libraries * Added many minor features (see timeline on Trac http://jay.cam.cornell.edu/pydstool/timeline) * Fixed many bugs and quirks (see timeline on Trac http://jay.cam.cornell.edu/pydstool/timeline) This is mainly a bugfix release in preparation for a substantial upgrade at version 0.90, which will have a proper installer, unit testing, symbolic expression support via SymPy, and greatly improved interfacing to legacy ODE integrators. These features are being actively developed in 2009/2010. For installation and setting up, please carefully read the GettingStarted page at our wiki for platform-specific details: http://pydstool.sourceforge.net Please use the bug tracker and user discussion list at Sourceforge to report bugs or provide feedback. Code and documentation contributions are always welcome. Regards, Rob Clewley