#11356: Companion matrix constructor
------------------------------+---------------------------------------------
   Reporter:  rbeezer         |          Owner:  jason, was    
       Type:  enhancement     |         Status:  needs_review  
   Priority:  minor           |      Milestone:  sage-4.7.1    
  Component:  linear algebra  |       Keywords:  beginner, sd31
Work_issues:                  |       Upstream:  N/A           
   Reviewer:                  |         Author:  Rob Beezer    
     Merged:                  |   Dependencies:                
------------------------------+---------------------------------------------
Changes (by rbeezer):

  * keywords:  beginner => beginner, sd31


Old description:

> This will be used to construct the output of an upcoming rational
> canonical form.
>
> '''Apply:'''
>
>   1. [attachment:trac_11356-companion-matrix-v2.patch]

New description:

 This will be used to construct the output of an upcoming rational
 canonical form.

 '''Apply:'''

   1. [attachment:trac_11356-companion-matrix-v3.patch]

--

Comment:

 Replying to [comment:8 ddrake]:
 > Perhaps you should add a little suggestion for converting a symbolic
 polynomial to the kind of list this function needs; something like:

 Doctest section about symbolic polynomials has been expanded to reflect
 Dan's suggestion, and incorporated into a standalone v3 patch.  Thanks for
 the suggestion, Dan.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11356#comment:10>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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