Node:tf2sys, Next:zp2sys, Previous:ss2sys, Up:sysinterface
tf2sys (num, den, tsam, inname, outname) | Function File |
Build system data structure from transfer function format data.
Inputs
Output
Example
octave:1> sys=tf2sys([2 1],[1 2 1],0.1); octave:2> sysout(sys) Input(s) 1: u_1 Output(s): 1: y_1 (discrete) Sampling interval: 0.1 transfer function form: 2*z^1 + 1 ----------------- 1*z^2 + 2*z^1 + 1 |
[num, den, tsam, inname, outname] = sys2tf (sys) | Function File |
Extract transfer function data from a system data structure.
See Example
octave:1> sys=ss([1 -2; -1.1,-2.1],[0;1],[1 1]); octave:2> [num,den] = sys2tf(sys) num = 1.0000 -3.0000 den = 1.0000 1.1000 -4.3000 |