#8008: Implement an rref() function which works over the fraction field of the
base ring of a matrix
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   Reporter:  jason                                                     |       
Owner:  was         
       Type:  defect                                                    |      
Status:  needs_review
   Priority:  major                                                     |   
Milestone:  sage-4.3.2  
  Component:  linear algebra                                            |    
Keywords:              
     Author:  Jason Grout                                               |    
Upstream:  N/A         
   Reviewer:  Sebastian Pancratz, Minh Van Nguyen, Karl-Dieter Crisman  |      
Merged:              
Work_issues:                                                            |  
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Changes (by kcrisman):

  * reviewer:  Sebastian Pancratz, Minh Van Nguyen => Sebastian Pancratz,
               Minh Van Nguyen, Karl-Dieter Crisman


Comment:

 I think the rebase is fine.  But I wanted to add some doctests for more
 complicated rings, since sometimes echelon_form is not implemented but
 rref does work.  Anyone can review that review and then all is well.
 Apply only rref.patch and rebase-plus-more.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8008#comment:9>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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