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7 q1 D, C6 W) R* B2 m5 v
错误使用 place (第 171 行)- J2 V( {5 ]8 V6 R
The "place" command could not place the poles at the specified locations. Probable causes include: Q" i- K! h) `: j! r, S. q* (A,B) is nearly uncontrollable # S# r# w5 }2 i7 {$ R* The specified locations are too close to each other. & D! n% X* d4 |& B! L* p: r9 c这是为什么啊? % ]" B% W) X! x# Q