000 0 A= (3-42) 0 00 对可控标准形最小阶实现(3-42)式,计算 (SI -A)b= s+x1S+…+Oxn-S+Cn:对可控标准形最小阶实现 (3-42)式，计算               +  + +  +  − = − − − − n 1 1 0 n 1 n n 1 1 n 1 s s s s s s 1 (sI A) b     n n 1 1 n n 1 n 2 1 c 1 0 0 0 b 0 0 0 0 1 0 1 0 0 1 0 0 0 A =                    =                 −  −  −  −  = − − −         (3-42)