home bbs files messages ]

Forums before death by AOL, social media and spammers... "We can't have nice things"

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

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]

   Message 10,242 of 10,432   
   Nasser M. Abbasi to clicliclic@freenet.de   
   Re: alarum: Risch integrator fails to di   
   26 Jun 22 15:32:29   
   
   From: nma@12000.org   
      
   On 6/26/2022 12:58 PM, clicliclic@freenet.de wrote:   
      
   >   
   > I suspect that the EllipticPi() appearing in Maple's evaluation of the   
   > fourth integral actually belongs not to its "trager" but to its   
   > "elliptic" evaluation. Along with the "default" evaluation, the latter   
   > seems to work for all integrands of this type.   
   >   
   > It would be odd if Maple's Risch-Trager procedure could do an 8th-order   
   > Masser-Zannier integral while it fails on the 3rd-, 5th-, and 6th-order   
   > integrands.   
   >   
   > Martin.   
      
   Opps, sorry, you are right. That is why I thought it is strange trager had   
   elliptic special function in its output. I missed it since output was so   
   large.   
      
   Here is the full output for the 4th integral   
      
   https://12000.org/tmp/06262022/maple.txt   
      
      
   --Nasser   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]


(c) 1994,  bbs@darkrealms.ca