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   sci.math.symbolic      Symbolic algebra discussion      10,432 messages   

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   Message 9,339 of 10,432   
   Nasser M. Abbasi to Axel Vogt   
   Re: Should CAS give same result for int(   
   10 Apr 17 02:16:14   
   
   From: nma@12000.org   
      
   On 4/10/2017 12:47 AM, Axel Vogt wrote:   
   > On 10.04.2017 06:37, Nasser M. Abbasi wrote:   
   >> But Maple 2016.2 says:   
   > ...   
   >> z:=exp(I*t);   
   >> r:= convert(z,'trig');   
   >> int(r^(3/2),t=0..2*Pi);   
   >>               0  ------>   
   >>   
   >> int( z^(3/2),t=0..2*Pi);   
   >>                4/3*I ------->   
   >>   
   >> Mathematica gives same answer to both forms   
   > ...   
   >>       -(4/3) ------>   
   > ...   
   >> Can someone explain this difference in Maple result? Is this related to   
   >> convention? I assume De Moivre's formula was used at point point?   
   >   
      
   > It is a bug in Maple.   
   >   
      
   Thanks. I hope Maplesoft can fix this before releasing 2017.   
      
   I just send email to support@maplesoft.com on this.   
      
   --Nasser   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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