I am also having trouble with RDF: Polyhedron(ieqs = [[RDF(2/3), RDF(1/3), RDF(-1/3*sqrt(3))]])
produces the same error. On Jan 1, 7:27 am, mb <[email protected]> wrote: > On Jan 1, 3:51 am, Volker Braun <[email protected]> wrote: > > > The recommended way of plotting polyhedra is via p.plot(). The > > render_solid() method only gives you the "solid" part of the plot. > > p.plot() doesn't seem to work. > > In [1]: p=Polyhedron(ieqs = [[0,1,0],[0,0,1],[1,-1,-1]]) > In [2]: p.plot() > --------------------------------------------------------------------------- > AttributeError Traceback (most recent call > last) > > /home/mb/projects/bianchi/sage/<ipython console> in <module>() > > AttributeError: 'Polyhedron' object has no attribute 'plot' > > > > > Polyhedron instances can only be defined over QQ (arbitrary precision > > rational) and RDF (floating point) fields. Input checking apparently needs > > to be improved... > > How hard would it be to allow (quadratic) number fields? Not > necessarily for plotting, but for computing the vertices of a polygon > expressed as the intersection of half planes? > > Mladen -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
