Specifications

modred
16-144
step(h,'-',hmdc,'-.',hdel,'--')
While hdel accurately reflects the transient behavior, only hmdc gives the true
steady-state response.
Algorithm The algorithm for the matched DC gain method is as follows. For
continuous-time models
the state vector is partitioned into , to be kept, and , to be eliminated.
x
·
Ax Bu+=
yCxDu+=
x
1
x
2
x
·
1
x
·
2
A
11
A
12
A
21
A
22
x
1
x
2
B
1
B
2
u+=
y
C
1
C
2
xDu+=