Proper Orthogonal Decomposition as Surrogate Model for Aerodynamic Optimization

Table 3

DrivAer model. Two-level fractional factorial design for the initial snapshot set.

Snapshot number
1	−1	−1	−1	−1
2	−1	1	1	−1
3	1	1	−1	−1
4	1	−1	1	−1
5	−1	1	−1	−1
6	−1	−1	1	1
7	1	−1	−1	1
8	1	1	1	1
9	0	0	0	0