系统的稳定性和代数稳定判据
1c1 =c 2= na 1b1b1 a 1nb 1 b
an 1 3b2an 5 b3 b a3b a n1= 1 n5 b1 b 1an 3 2 ban 1 =b 1n aan 1 b c1 1d1g1
a2 na n3 b 2 2cd2 an4an 5 3bc3 3d na1 an 7 b1b 4b a 4 anb1 c3 = =1 n7 1 b1b
c1b2 1c 2b d1 c1
c=b3 1bc 1 d2 =3c1 c1b4 b1 c 4 3d= c 1
e依次 类。可求推 i , 得if, gi ,..(i.= ,21.,.).