Table 1:
The eigenvalues as
.
z
0
(−
∞
, −0.618)
(−0.3299, 0.3299)
(0.3299, 1.618)
λ
1
λ
1
< 0
λ
1
> 0
λ
1
< 0
λ
2
λ
2
< 0
λ
2
> 0
λ
2
> 0
λ
3
λ
3
< 0
λ
3
> 0
λ
3
> 0
Equilibrium
E
1
E
2
E
3