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

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   Message 9,954 of 10,432   
   antispam@math.uni.wroc.pl to clicliclic@freenet.de   
   Re: ... ping ...   
   19 Feb 19 17:33:00   
   
   clicliclic@freenet.de  wrote:   
   >   
   > Hello,   
   >   
   > last year (on Sunday, 28th January 2018 in the sci.math.symbolic thread   
   > "More teething help"), Nasser M. Abbasi observed that FriCAS randomly   
   > divides by zero when solving:   
   >   
   > integrate(((2*a - 1)*x - a)   
   >   /((x - a)*sqrt((2*a - 1)*x^3 - (a^2 + 2*a - 1)*x^2 + a^2*x)), x)   
   >   
   > I cannot reproduce this on the current web interface version of FriCAS.   
   > Has this problem gone away or been corrected?   
      
   IIRC it was fixed few days after report.  Of course, release with fix was   
   only in March.  Other problems which may lead to division by 0   
   remain...   
      
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