'SageMath version 7.5, Release Date: 2017-01-11'
The empty polyhedron in (Real Field with 57 bits of precision)^2
A 1-dimensional polyhedron in RDF^2 defined as the convex hull of 2 vertices
Error in lines 1-1
Traceback (most recent call last):
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/smc_sagews/sage_server.py", line 982, in execute
exec compile(block+'\n', '', 'single') in namespace, locals
File "", line 1, in <module>
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/base.py", line 737, in show
self.plot(**kwds).show()
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/base.py", line 699, in plot
projection = project(self)
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/base.py", line 697, in project
return polyhedron.projection()
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/base.py", line 3575, in projection
self.projection = Projection(self)
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/plot.py", line 494, in __init__
self._init_from_2d(polyhedron)
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/plot.py", line 750, in _init_from_2d
self._init_lines_arrows(polyhedron)
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/plot.py", line 816, in _init_lines_arrows
if polyhedron.vertex_adjacency_matrix()[i,j] == 0: continue
File "sage/misc/cachefunc.pyx", line 2401, in sage.misc.cachefunc.CachedMethodCallerNoArgs.__call__ (/projects/sage/sage-7.5/src/build/cythonized/sage/misc/cachefunc.c:13453)
self.cache = f(self._instance)
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/base.py", line 1906, in vertex_adjacency_matrix
return self._vertex_adjacency_matrix()
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/base.py", line 316, in _vertex_adjacency_matrix
face_lattice = self.face_lattice()
File "sage/misc/cachefunc.pyx", line 2401, in sage.misc.cachefunc.CachedMethodCallerNoArgs.__call__ (/projects/sage/sage-7.5/src/build/cythonized/sage/misc/cachefunc.c:13453)
self.cache = f(self._instance)
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/polyhedron/base.py", line 3224, in face_lattice
face_constructor=face_constructor, required_atoms=atoms_vertices)
File "/projects/sage/sage-7.5/local/lib/python2.7/site-packages/sage/geometry/hasse_diagram.py", line 182, in Hasse_diagram_from_incidences
for coatom, atoms in enumerate(coatom_to_atoms)]
KeyError: (frozenset([]), frozenset([0]))
A 1-dimensional polyhedron in (Real Field with 40 bits of precision)^2 defined as the convex hull of 2 vertices