#6803: [with patch, needs work] Implement symbolic Kronecker delta and also make
current signum (sgn) symbolic
---------------------------------+------------------------------------------
 Reporter:  gmhossain            |       Owner:                       
     Type:  enhancement          |      Status:  new                  
 Priority:  major                |   Milestone:  sage-4.1.2           
Component:  symbolics            |    Keywords:                       
 Reviewer:  Karl-Dieter Crisman  |      Author:  Golam Mortuza Hossain
   Merged:                       |  
---------------------------------+------------------------------------------
Changes (by kcrisman):

  * reviewer:  => Karl-Dieter Crisman
  * milestone:  => sage-4.1.2


Comment:

 Overall this is good, and should get positive review.  However, there is a
 doctest failure (very typical when one adds a new symbolic function in
 line 204 of symbolic/random_tests.py, with random_expr().  This should be
 easy to fix.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6803#comment:2>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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