Specifications

LTI Properties
2-27
following four tables. The property values differ for LTI arrays. See set for
more information on these values.
Table 2-5: TF-Specific Properties
Property Name Description Property Value
den
Denominator(s) Real cell array of row vectors
num
Numerator(s) Real cell array of row vectors
Variable
Transfer function
variable
String 's', 'p', 'z', 'q',or
'z^–1'
Table 2-6: ZPK-Specific Properties
Property Name Description Property Value
k
Gains Two-dimensional real matrix
p
Poles Cell array of column vectors
Variable
Transfer function
variable
String 's', 'p', 'z', 'q',or
'z^–1'
z
Zeros Cell array of column vectors
Table 2-7: SS-Specific Properties
Property Name Description Property Value
a
State matrix 2-D real matrix
b
Input-to-state matrix 2-D real matrix
c
State-to-output matrix 2-D real matrix
d
Feedthrough matrix 2-D real matrix
e
Descriptor matrix 2-D real matrix
Nx
Number of states Scalar integer
StateName
State names Cell vector of strings
A
B
C
D
E