Matlab中传递函数的表示和计算_20151222

num = [1 1];
den = [1 5];
G2 = tf( num , den )

z = -1;
p = -5;
k = 1;
GZ = zpk( z , p , k )

num = [12 24 12 20];
den = [2 4 6 2 2];
G = tf( num , den )
GG = zpk( G )

z = [-1 -2];
p = [0 -5 -10];
k = 10;
GZ = zpk( z , p , k )
GG = tf(GZ)

num1 = 10;
den1 = [1 1];
num2 = [1 1];
den2 = [1 5];
G1 = tf( num1 , den1 );
G2 = tf( num2 , den2 );
G = series( G1 , G2 )

num1 = 10;
den1 = [1 1];
num2 = [1 1];
den2 = [1 5];
G1 = tf( num1 , den1 );
G2 = tf( num2 , den2 );
G = parallel( G1 , G2 )

num1 = 10;
den1 = [1 1];
num2 = [1 1];
den2 = [1 5];
G1 = tf( num1 , den1 );
G2 = tf( num2 , den2 );
G = feedback( G1 , G2 )