用matlab编程 G(s)=10/(S+1)(S+2)(S+3) 设计反馈控制器 u=-kx...答:syms s;[A,B,C,D]=zp2ss([],[-1 -2 -3],10);a1=det(s*eye(3)-A);%系统的特征多项式 detexp=(s+2+2*1i)*(s+2+2*1i)*(s+10);%希望多项式 a1=sym2poly(a1);a2=sym2poly(detexp);U=ctrb(A,B);T=inv(U*[a1(3),a1(2),1;a1(2),1,0;1,0 ,0]);k=[a1...