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. 2020 Feb 6;10:1975. doi: 10.1038/s41598-020-58762-5

Table 4.

Eigenvalues at various flight speeds.

Longitudinal eigenvalues
Ve (m/s) λ1 λ2 λ3 λ4
0.0 0.0469 + 0.0967i 0.0469–0.0967i −0.1196 −0.0139
1.6 0.0307 + 0.0901i 0.0307–0.0901i −0.0864 −0.0234
3.1 0.0167 + 0.0955i 0.0167–0.0955i −0.0452 + 0.0109i −0.0452–0.0109i
4.6 0.1007 0.0423 −0.1833 −0.0236
6.9 0.2490 0.0142 −0.3358 −0.0205
8.6 0.3803 0.0096 −0.4765 −0.0213
Lateral eigenvalues
Ve (m/s) μ1 μ2 μ3 μ4
0.0 0.0478 −0.0779 + 0.0504i −0.0779–0.0504i −0.5118
1.6 0.0029 −0.0754 + 0.1622i −0.0754–0.1622i −0.4926
3.1 −0.0012 −0.1129 + 0.2318i −0.1129–0.2318i −0.4533
4.6 −0.0039 −0.0494 + 0.2261i −0.0494–0.2261i −0.7811
6.9 −0.0044 −0.0403 + 0.2467i −0.0403–0.2467i −1.2339
8.6 −0.0078 −0.0301 + 0.2417i −0.0301–0.2417i −1.6376