The Control Data Method: A New Method of Modeling in Population Dynamics

Figure 1

The dynamical behavior of model (1): (a) a stable focus ((𝑟₁𝑎₂₂+𝑟₂𝑎₁₂)/(𝑎₁₁𝑎₂₂+𝑎₁₂𝑎₂₁),(𝑟₁𝑎₂₁−𝑟₂𝑎₁₁)/(𝑎₁₁𝑎₂₂+𝑎₁₂𝑎₂₁)); (b) a stable nod (𝑟₁/𝑎₁₁,0).

(a)

(b)