User`s guide

append
11-12
11append
Purpose Group LTI models by appending their inputs and outputs
Syntax sys = append(sys1,sys2,...,sysN)
Description append appends the inputs and outputs of the LTI models sys1,...,sysN to form
the a ugmented model sys depicted below.
For s ystems with tr ansfer functions ,..., , the re s ulting system
sys
has the bl ock-di agonal transfer function
For state-space models
sys1 and sys2 with data and
,
append(sys1,sys2) produces the follo wing state-spa ce
model.
:
:
sys1
sys2
sysN
u
1
u
2
u
N
y
1
y
2
y
N
sys
H
1
s
()
H
N
s
()
H
1
s() 0..0
0H
2
s().:
:..0
0..0H
N
s()
A
1
B
1
C
1
D
1
,,,()
A
2
B
2
C
2
D
2
,,,()