Chemistry Reference
In-Depth Information
In order to make the notation as simple as possible, let
X
N
1
N C 1
D
c k :
k
c l
lD1
The Jacobian of the discrete time system (5.91) has the special structure
I C J
where
0
a 1
1
B 1
" 1
A
a 1 B 2
" 2
a 1 B N
" 2 N
1/B C
:::
@
A
.N
C
a 2
:::
a 2 B 1
" 1
B 2
" 2
a 2 B N
" 2 N
A
1/B C
.N
C
J D
;
: : :
: : :
: : :
: : :
:::a N
a N B 1
" 1
a N B 2
" 2
B N
" 2 N
A
1/B C
.N
C
(5.95)
T
so it can be written as D C ab
with
D D diag 1
; a D .a 1 B;:::;a N B/ T ;
a 1 A
.N C 1/B ;:::;1
a N A
.N C 1/B
and
1
" 1
:
;:::; N
" N
T
b
D
Therefore the characteristic equation of the Jacobian can be rewritten as
T
I / D det . D I / det . I C . D I / 1
T /
det . D C ab
ab
.N C 1/B 2
3
1
a k B k
" k
Y
N
X
N
a k A
4 1 C
5 D 0;
D
(5.96)
a k A
.N C1/B
1
kD1
kD1
where we have used the results of Appendix E. Assume that
X
N
1
N C 1
k
D
c l
c k
0
(5.97)
lD1
for all k, which is satisfied if the marginal costs c l are close to each other. By repeat-
ing the proof of Theorem 2.1 and noticing that at the steady state " k
D B for all k,
we have the following result.
 
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