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sresidualize 351
sresidualize
Syntax
sysout = sresidualize(sysin,ord)
Parameter List
Inputs: sysin Input Dynamic System
ord Order of sysout
Outputs: sysout output Dynamic System
Description
Residualize the states of sysin to the number specified by ord. The last n
x
−ord states
(n
x
is the number of states in sysin) are residualized. If ord is greater than the number
of states in sysin then sysout = sysin and a warning is displayed. sysin may be a
constant matrix, in which case it is treated as a system with zero states.
Example
# Create a five state system for reduction.
a = daug(-0.891334,[-1.20857,0.799042;-0.799042,-1.20857],...
-4.74685,-21.3013)
b = [0.0262569;-0.189601;-0.113729;0.211465;-0.538239]
c = [0.120725,-0.336942,0.397198,-0.700524,-1.02235]
d=0
sys1 = system(a,b,c,d)
# Reduce to a 3 state system by residualization
# and truncation.