From: Christopher.Creutzig@mathworks.com   
      
   On 7/15/15 6:59 PM, Nasser M. Abbasi wrote:   
      
   > my question is: Is polylog really defined for non integer order?   
      
   The usual series definition works just fine for complex order.   
      
   > and Mupad is just wrong?   
      
   In MuPAD, the function is only defined (aka implemented) for integer   
   order. That may or may not be a weakness, but it can hardly be “wrong.”   
   There's a lot of code available, for example, for Bessel functions of   
   integer or half-integer order, which is not “wrong” either.   
      
   > But to be able to run Mupad, I have to have the same number of   
   > tests for each CAS. I'd like to remove these 6 integrals   
      
   You could always use some wrapper function in your input files that   
   avoids the error and will fail to integrate:   
      
   polyLog := (n,x) -> if testtype(n,DOM_INT) then   
                         polylog(n,x)   
                       else   
                         procname(args())   
                       end_if:   
      
      
   HTH,   
      
   Christopher   
      
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