<s>
The	O
iterative	B-Algorithm
rational	I-Algorithm
Krylov	I-Algorithm
algorithm	I-Algorithm
(	O
IRKA	O
)	O
,	O
is	O
an	O
iterative	O
algorithm	O
,	O
useful	O
for	O
model	B-Algorithm
order	I-Algorithm
reduction	I-Algorithm
(	O
MOR	O
)	O
of	O
single-input	O
single-output	O
(	O
SISO	O
)	O
linear	O
time-invariant	O
dynamical	O
systems	O
.	O
</s>
