 Usage:  (FGNx)=FGNx(m,H)  
 
 Input:

  m Length of the generated series, must be a power of 2  
                         
  H Hurst Koeffizient as self similarity parameter  
                         
 Output:

  FGNx Vector of size m of the generated series  
                         
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(C) MD*TECH Method and Data Technologies, 17.8.2000
