Figure 8From: Geometrical analysis and control optimization of a predator-prey model with multi state-dependent impulse The change in the period T and the cost per unit time F/T on the economic threshold \(\pmb{h_{2}}\) . (a) The change in the period T on the economic threshold \(h_{2}\). (b) The cost per unit time F/T on the economic threshold \(h_{2}\).Back to article page