开环系统可观性和可控性矩阵满秩,配置极点时尝试多组极点,总是出现 9 I" z0 n8 R4 t1 Z+ U错误使用 place (第 171 行): a& ~+ \7 J5 {; `' V$ U
The "place" command could not place the poles at the specified locations. Probable causes include: ! E% m3 Y8 P, e5 A1 T* (A,B) is nearly uncontrollable0 E1 C" k" H" e A3 L
* The specified locations are too close to each other. ( \2 g* \3 w9 l( M- c. |这是为什么啊?1 S" e) c4 |" ^6 G2 F3 s