The Discrete Transfer Function block implements the transfer function in terms of the delay operator z.
The system is defined by

where, num (·) are the coefficients of the numerator, den (·) are the coefficients of the denominator.
Dialog box

Figure 1 Discrete Transfer Function dialog box
Parameters
|
Parameter(s) |
Description |
|
Numerator |
A matrix with multiple rows is specified to generate multiple output signals. |
|
Denominator |
Enter the row vector of denominator coefficients in descending powers of z. |
|
Sample time |
Enter the time interval between samples. |