how can i creat function of " transfer d'un filtre en Matlab étap par étap"

Exp: H(z)=[1-(z power(-6))]/ [1-(z power(-2))] I'm zero in this function please help me with Detail explication

Answer 1

[Wayne King]

 B = [1 0 0 0 0 0 -1];
 A = [1 0 -1];
 % view magnitude response
 fvtool(B,A)
 % view pole-zero plot
 zplane(B,A)

 % filter data with it
 outputdata = filter(B,A,inputdata);