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  1. (define (Hn n )
  2.   (define half_arg (/ n 2.0))  
  3.  
  4. (define (series_sum n)
  5.   (if (=  n half_arg ) 0 
  6.     (+ (/ 1.0  n) (series_sum(- n 1)) )
  7.   )  
  8.  )
  9.  (series_sum n)   )
  10.  
  11. (writeln (Hn 4))
  12. (writeln (Hn 8))
  13. (writeln (Hn 16))
  14. (writeln (Hn 32))
  15. (writeln (Hn 64))
  16. (writeln (Hn 128))
  17. (writeln (Hn 256))
  18. (writeln (Hn 512))
  19. (writeln (Hn 1024))
  20. (writeln (Hn 2048))
  21. (writeln (Hn 4096))
Success #stdin #stdout 0.2s 96640KB
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stdin
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stdout
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0.5833333333333333
0.6345238095238095
0.6628718503718504
0.6777662022075267
0.6853957082692488
0.6892561888834033
0.6911978702281075
0.6921715717324433
0.6926591377284099
0.6929030995395831
0.6930251251486083
https://ideone.com/O93bkB
language:
Racket (racket 7.0)
created:
5 years ago
visibility:
public

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