#9296: Add lattice computations for convex polyhedral cones
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Reporter: vbraun | Owner: mhampton
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.5.3
Component: geometry | Keywords:
Author: Volker Braun | Upstream: N/A
Reviewer: Andrey Novoseltsev | Merged:
Work_issues: |
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Comment(by novoselt):
In addition to other changes, in the new version all arguments to cone
related lattices are passed to these lattices, so it is possible to write
{{{
sage: sage: c = Cone([(1,0)])
sage: sage: c.sublattice_quotient(0,1)
N[0, 1]
}}}
etc. and it will mean exactly the same as
{{{
sage: sage: c = Cone([(1,0)])
sage: sage: c.sublattice_quotient()(0,1)
N[0, 1]
}}}
This is done for all sub-/quotient lattice functions except for "relative"
ones since for those, I think, it is more natural not to mix cone and
point arguments. The documentation does not describe what exactly can be
passed to these functions, it is just "something that defines an element",
so those who do need description will have to get a lattice and then check
how its elements are constructed.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9296#comment:25>
Sage <http://www.sagemath.org>
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