#8718: Polynomial.apply_map()
---------------------------------------------------------------+------------
   Reporter:  mmezzarobba                                      |          
Owner:  AlexGhitza                   
       Type:  enhancement                                      |         
Status:  needs_review                 
   Priority:  minor                                            |      
Milestone:  sage-5.0                     
  Component:  algebra                                          |       
Keywords:  polynomial, map              
Work_issues:  check if function knows its codomain and use it  |       
Upstream:  N/A                          
   Reviewer:                                                   |         
Author:  Marc Mezzarobba, Julian Rueth
     Merged:                                                   |   
Dependencies:                               
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Changes (by saraedum):

  * status:  needs_info => needs_review


Old description:

> Computing, for instance, the complex conjugate of a polynomial currently
> requires going through its list or dictionary representation. Polynomials
> could provide a method similar to Matrix.apply_map() to make this kind of
> computations easier.
>
> ----
>
> Apply
>
> 1. [attachment:trac_8718.patch]
>
> to the sage repository.

New description:

 Computing, for instance, the complex conjugate of a polynomial currently
 requires going through its list or dictionary representation. Polynomials
 could provide a method similar to Matrix.apply_map() to make this kind of
 computations easier.

 ----

 Apply

  1. [attachment:trac_8718.patch]
  2. [attachment:trac_8718_codomain.patch]
  3. [attachment:trac_8718_multivariate_codomain.patch]

 to the sage repository.

--

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8718#comment:15>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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