Table 1 Computational time for generating a 2D random field with correlation function as in Eq. (37) on an extended domain \([0,ML]^2\), with \(M=21\) using the conditioned KLE
From: Large scale random fields generation using localized Karhunen–Loève expansion
| Operation | Elapsed time (s) |
|---|---|
| Kernel modal decomposition | 56.31 |
| Conditioning matrices computation | 2220.17 |
| Random field sampling | 1351.95 |