Research Article

The Structure of Autocovariance Matrix of Discrete Time Subfractional Brownian Motion

Table 4

The time varying eigenvalues and corresponding eigenvectors of actual autocovariance matrices of dtsfBm with , , and .

Time varying eigenvalue Eigenvector

2 0.1 44.2
0.2106.5
0.3328.0
0.614864.9
0.756663.9
0.9 

3 0.165.2 
0.2159.1 
0.3491.5 
0.622303.1 
0.785024.5 
0.9 

4 0.186.2 
0.2211.6 
0.3654.9 
0.629745.5 
0.7  
0.9 

5 0.1107.0 
0.2263.9 
0.3818.1 
0.637191.8 
0.7  
0.9 

6 0.1127.7 
0.2316.1 
0.3981.2 
0.644642.2 
0.7  
0.9 

7 0.1148.4 
0.2368.2 
0.31144.2 
0.652096.5 
0.7  
0.9 

8 0.1169.0 
0.2420.3 
0.31307.1 
0.659554.7 
0.7  
0.9 

9 0.1189.5 
0.2472.2 
0.31469.9 
0.667016.9 
0.7  
0.9