#4327: Refactor and extend root systems plots
----------------------------------------------------+-----------------------
Reporter: nthiery | Owner: mhansen
Type: enhancement | Status:
needs_work
Priority: minor | Milestone: sage-5.10
Component: combinatorics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Nicolas
M. Thiéry, Nicolas Borie, Travis Scrimshaw
Authors: Nicolas Borie, Nicolas M. Thiéry | Merged in:
Dependencies: #14175, #14176, #14177, #2023 | Stopgaps:
----------------------------------------------------+-----------------------
Changes (by jdemeyer):
* status: positive_review => needs_work
Comment:
{{{
sage -t devel/sage/sage/combinat/root_system/root_lattice_realizations.py
**********************************************************************
File "devel/sage/sage/combinat/root_system/root_lattice_realizations.py",
line 1840, in
sage.combinat.root_system.root_lattice_realizations.RootLatticeRealizations.Pare
ntMethods.plot_roots
Failed example:
list(RootSystem(["A",2]).root_lattice().plot_roots("all"))
Expected:
[Arrow from (0.0,0.0) to (1.0,0.0),
Text '$\alpha_{1}$' at the point (1.05,0.0),
Arrow from (0.0,0.0) to (0.0,1.0),
Text '$\alpha_{2}$' at the point (0.0,1.05),
Arrow from (0.0,0.0) to (1.0,1.0),
Text '$\alpha_{1} + \alpha_{2}$' at the point (1.05,1.05),
Arrow from (0.0,0.0) to (-1.0,0.0),
Text '$\left(-1\right)\alpha_{1}$' at the point (-1.05,0.0),
Arrow from (0.0,0.0) to (0.0,-1.0),
Text '$\left(-1\right)\alpha_{2}$' at the point (0.0,-1.05),
Arrow from (0.0,0.0) to (-1.0,-1.0),
Text '$\left(-1\right)\alpha_{1} + \left(-1\right)\alpha_{2}$' at the
point (-1.05,-1.05)]
Got:
[Arrow from (0.0,0.0) to (1.0,0.0), Text '$\alpha_{1}$' at the point
(1.05,0.0), Arrow from (0.0,0.0) to (0.0,1.0), Text '$\alpha_{2}$' at the
point (0.0,1.05), Arr
ow from (0.0,0.0) to (1.0,1.0), Text '$\alpha_{1} + \alpha_{2}$' at the
point (1.05,1.05), Arrow from (0.0,0.0) to (-1.0,0.0), Text
'$-\alpha_{1}$' at the point (-1.05,
0.0), Arrow from (0.0,0.0) to (0.0,-1.0), Text '$-\alpha_{2}$' at the
point (0.0,-1.05), Arrow from (0.0,0.0) to (-1.0,-1.0), Text '$-\alpha_{1}
- \alpha_{2}$' at the p
oint (-1.05,-1.05)]
**********************************************************************
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4327#comment:28>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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