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 | | 0.2 | 106.5 | | 0.3 | 328.0 | | 0.6 | 14864.9 | | 0.7 | 56663.9 | | 0.9 | ā | |
| 3 | 0.1 | 65.2 | ā | 0.2 | 159.1 | ā | 0.3 | 491.5 | ā | 0.6 | 22303.1 | ā | 0.7 | 85024.5 | ā | 0.9 | ā | |
| 4 | 0.1 | 86.2 | ā | 0.2 | 211.6 | ā | 0.3 | 654.9 | ā | 0.6 | 29745.5 | ā | 0.7 | ā | ā | 0.9 | ā | |
| 5 | 0.1 | 107.0 | ā | 0.2 | 263.9 | ā | 0.3 | 818.1 | ā | 0.6 | 37191.8 | ā | 0.7 | ā | ā | 0.9 | ā | |
| 6 | 0.1 | 127.7 | ā | 0.2 | 316.1 | ā | 0.3 | 981.2 | ā | 0.6 | 44642.2 | ā | 0.7 | ā | ā | 0.9 | ā | |
| 7 | 0.1 | 148.4 | ā | 0.2 | 368.2 | ā | 0.3 | 1144.2 | ā | 0.6 | 52096.5 | ā | 0.7 | ā | ā | 0.9 | ā | |
| 8 | 0.1 | 169.0 | ā | 0.2 | 420.3 | ā | 0.3 | 1307.1 | ā | 0.6 | 59554.7 | ā | 0.7 | ā | ā | 0.9 | ā | |
| 9 | 0.1 | 189.5 | ā | 0.2 | 472.2 | ā | 0.3 | 1469.9 | ā | 0.6 | 67016.9 | ā | 0.7 | ā | ā | 0.9 | ā | |
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