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"
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