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

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   Message 8,576 of 10,432   
   clicliclic@freenet.de to Roman Pearce   
   Re: variable elimination from polynomial   
   21 Apr 14 21:22:35   
   
   Roman Pearce schrieb:   
   >   
   > On Friday, April 18, 2014 12:20:32 PM UTC-7, clicl...@freenet.de wrote:   
   > > I am interested in bivariate polynomials containing only [x8, x9]   
   >   
   > 11664*x8^8*x9^6 - 17496*x8^8*x9^5 - 23328*x8^6*x9^7 + 14337*x8^8*x9^4 +   
   30456*x8^6*x9^6 + 15120*x8^4*x9^8 - 6696*x8^8*x9^3 - 19224*x8^6*x9^5 -   
   16416*x8^4*x9^7 - 3712*x8^2*x9^9 + 1944*x8^8*x9^2 + 6480*x8^6*x9^4 +   
   7128*x8^4*x9^6 + 2784*x8^2*x9^8 + 256*x9^   
   10 - 288*x8^8*x9 - 1056*x8^6*x9^3 - 1376*x8^4*x9^5 - 736*x8^2*x9^7 - 128*x9^9   
   + 16*x8^8 + 64*x8^6*x9^2 + 96*x8^4*x9^4 + 64*x8^2*x9^6 + 16*x9^8   
      
   Many thanks. This polynomial is quite small for the amount of work   
   needed to get it! It doesn't factor rationally. I'll have to think about   
   the result.   
      
   Martin.   
      
   --- SoupGate-Win32 v1.05   
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