Alan Bromborsky wrote: > Christophe wrote: > >> I've found the following page : >> http://www.mrao.cam.ac.uk/~clifford/publications/abstracts/chris_thesis.html >> . >> >> Christophe. >> >> >> >> Alan Bromborsky a écrit : >> >> >>> Christophe wrote: >>> >>> >>> >>>> Again ;-) , a great thanks for the informations. >>>> >>>> Christophe. >>>> >>>> >>>> Alan Bromborsky a écrit : >>>> >>>> >>>> >>>> >>>>> Christophe wrote: >>>>> >>>>> >>>>> >>>>> >>>>> >>>>>> Hello, >>>>>> I know that there are some tools for 2D geometry. What about 3D ? It >>>>>> could be usefull to have intersection of simple objects such as points, >>>>>> lines, circles, convex polygon and polyhedra, plane, circles and >>>>>> spheres... >>>>>> >>>>>> Is-it possible to work with Gröbner basis ? >>>>>> >>>>>> Best regards. >>>>>> Christophe. >>>>>> // <http://en.wikipedia.org/wiki/Gr%C3%B6bner_basis> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> Again this can be done with the geometric algebra formulation of >>>>> conformal geometry. Below is a link to the pdf version of "Geometric >>>>> Algebra for Physicist" by Doran & Lasenby - >>>>> >>>>> assets.cambridge.org/052148/0221/sample/0521480221WS.pdf >>>>> >>>>> Download the book and look at the chapter on geometry. >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>> >>>> >>>> >>>> >>>> >>> I goofed the link does not have the entire book. I guess you would have >>> go to the library or >>> google "geometric algebra conformal geometry" >>> >>> >>> >>> >>> >> >> >> > This paper is more relevant to your concerns I think? > > http://xxx.lanl.gov/abs/cs.CG/0203026 > > > > > One final link. In this one the Cambridge group uses conformal geometric algebra to model quadric surfaces among other things -
http://www.mrao.cam.ac.uk/~clifford/publications/abstracts/anl_china.html the general link for the Cambridge group is - http://www.mrao.cam.ac.uk/~clifford/publications --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sympy?hl=en -~----------~----~----~----~------~----~------~--~---
