#7422: New Incidence Structure and Block Design constructions
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   Reporter:  brett          |       Owner:  mhansen                            
                                                         
       Type:  enhancement    |      Status:  needs_review                       
                                                         
   Priority:  major          |   Milestone:                                     
                                                         
  Component:  combinatorics  |    Keywords:  Block Design, Incidence Structure, 
Residual, Derived, Complement, Supplement, Point Deletion
Work_issues:                 |      Author:  Brett Stevens                      
                                                         
   Reviewer:                 |      Merged:                                     
                                                         
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Comment(by jason):

 Here is the patch for adding such a thing to matrices in Sage.  You might
 find the code useful as an example.

 #6936

 Here is the ticket that introduced the framework:

 #6343

 I don't know where this is documented, but there probably is a mailing
 list message or two about it.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7422#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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