 Usage:  (FARcov)=FARcov(n,H)  
 
 Input:

  n length of the generated series  
                         
  d self similarity parameter d=H-1/2, must be between 0  and 0.5 
                         
 Output:

  FARcov vector of the covariances  
                         
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(C) MD*TECH Method and Data Technologies, 17.8.2000
