#6803: Implement symbolic Kronecker delta and also make current signum (sgn)
symbolic
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 Reporter:  gmhossain              |         Owner:                     
     Type:  enhancement            |        Status:  closed             
 Priority:  major                  |     Milestone:  sage-4.3           
Component:  symbolics              |    Resolution:  fixed              
 Keywords:                         |   Work_issues:                     
   Author:  Golam Mortuza Hossain  |      Reviewer:  Karl-Dieter Crisman
   Merged:  sage-4.3.alpha0        |  
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Changes (by mhansen):

  * status:  positive_review => closed
  * resolution:  => fixed
  * merged:  => sage-4.3.alpha0


Comment:

 I had to add a small patch to the doctest for
 sage.quadratic_forms.extras.sgn to make sure that the doctest was actually
 doctesting that function.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6803#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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