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

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   Message 9,042 of 10,432   
   Dr Huang to Nasser M. Abbasi   
   Re: set of Kamke's that could not be sol   
   28 Apr 16 07:25:26   
   
   From: drhuang57@gmail.com   
      
   On Saturday, 19 July 2014 00:10:43 UTC+10, Nasser M. Abbasi  wrote:   
   > Here are the Kamke's differential equations out of   
   > the first 900 that could not be solved by Mathematica   
   > nor by Maple. (or it could be that these are actually   
   > not solvable analytically, I do not know).   
   >   
   > Can your CAS solve any of these? I tried Maxima 5.31.2   
   > on some, but no luck. How about Sage?   
   >   
   > 38, 47, 48, 49, 50, 55, 74, 79, 82, 83, 110, 121,   
   > 202, 205, 206, 219, 234, 237, 250, 253, 265, 269,   
   > 331, 340, 367, 368, 370, 383, 395, 452, 460, 480,   
   > 482, 485, 503, 510, 531, 534, 537, 543, 572, 575,   
   > 576, 733, 788, 789   
   >   
   > These are listed in plain text format in both Maple   
   > and Mathematica syntax in the links at the   
   > bottom of this page:   
   >   
   > http://12000.org/my_notes/kamek/kamke_differential_equations.htm   
   >   
   > --Nasser   
      
   some problems should be marked as not solved because a left site of the   
   equation cannot give 0 when the solution is put back to the equation. e.g. No.   
   84.   
      
   mathHandbook.com can solve it. You can be easy to check its solution.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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