On Oct 22, 2006, at 17:38 , Simon Burton wrote: > > Apologies if this is too off-topic for these lists, but > I hope some people here find this interesting!
It looks very nifty. Interval arithmetic for rigourous bounds is something that should be used more often, I think. You should add it to the topical software list at http:// www.scipy.org/Topical_Software. [and it's on topic, btw; announcements of Python numerical software is always welcome here]. > PyDX - first public announcement > ================================ > > Overview > -------- > > PyDX is a package for working with calculus (differential > geometry), > arbitrary precision arithmetic (using gmpy), and interval arithmetic. > > It provides: > * multivariate automatic differentiation (to arbitrary order) > * Tensor objects for computations in differential geometry > * Interval scalars (based on libMPFI) for calculating rigorous > bounds > on arithmetic operations (validated numerics). > * Arbitrary order validated ODE solver. > > PyDX uses lazy computation techniques to greatly enhance > performance of > the resulting functions. > > This code grew out of a research project at The Australian National > University, > Department of Physics, which involved computing bounds on geodesics in > relativistic space-time's. -- |>|\/|< /------------------------------------------------------------------\ |David M. Cooke http://arbutus.physics.mcmaster.ca/dmc/ |[EMAIL PROTECTED] ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion
