#11143: define symbolic functions for exponential integrals
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   Reporter:  kcrisman                            |          Owner:  
benjaminfjones                    
       Type:  defect                              |         Status:  
needs_review                      
   Priority:  major                               |      Milestone:  sage-4.7.2 
                       
  Component:  symbolics                           |       Keywords:  ei Ei 
special function maxima sd32
Work_issues:                                      |       Upstream:  N/A        
                       
   Reviewer:  Burcin Erocal, Karl-Dieter Crisman  |         Author:  Benjamin 
Jones                    
     Merged:                                      |   Dependencies:  #11513, 
#11885                    
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Comment(by kcrisman):

 That second comment about tab-completion makes sense.  I just think it
 would be helpful to have easy-to-find aliases as well.
 
[http://reference.wolfram.com/mathematica/guide/ErrorAndExponentialIntegralFunctions.html
 Here] are Mathematica's names.  I understand the concern about the
 standard notation, but it ''is'' standard, and I would never think to look
 for log integral under {{{exp_integral<tab>}}}, if you catch my drift -
 and I do know it can be written as one.

 Sorry about the comments on the other tickets about naming conventions -
 feel free to ignore those, I read this update last.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11143#comment:34>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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