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

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   Message 9,395 of 10,432   
   Axel Vogt to Nasser M. Abbasi   
   Re: question on Spacing of floating poin   
   19 Apr 17 10:20:13   
   
   From: //noreply@axelvogt.de   
      
   On 19.04.2017 09:54, Nasser M. Abbasi wrote:   
   >   
   > does anyone Maple expert know where there is small   
   > difference between Maple and others in this value?   
   >   
   > All on windows, all 64 bit   
   >   
   >   
   > 0.222044604925031308e-15 ---> Maple 2016.2 using evalhf(DBL_EPSILON);   
   > 0.2220446049250313e-15   ---> Matlab using format long; eps('double')   
   > 0.2220446049250313*10^-15 --> Mathematica $MachineEpsilon   
   > 0.2220446049250313e-15  ---> python   np.finfo(float).eps   
      
   The number is 1/2^52 anyway where Maple uses 18 places for   
   decimal output of 'evalhf', the others show 16 places   
      
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