— Function File: [num, den, tsam, inname, outname] = sys2tf (sys)

Extract transfer function data from a system data structure.

See tf for parameter descriptions.

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