#4690: [with patch; needs review] Sage hangs on derivative of piecewise function
----------------------+-----------------------------------------------------
 Reporter:  pbutler   |       Owner:  burcin
     Type:  defect    |      Status:  new   
 Priority:  minor     |   Milestone:        
Component:  calculus  |    Keywords:        
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 Derivatives of piecewise functions where some piece uses multiplication
 causes Sage to hang. Example code:

 {{{
 Piecewise([[(0,1), x * 2]]).derivative()
 }}}

 It hangs waiting for Maxima to return a result, which is because the
 expression it sends to Maxima is not formatted properly.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4690>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
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