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A fast three-step second-order explicit numerical approach to investigating and forecasting the dynamic of corruption
1Hydrological Research Center, Institute for Geological and Mining Research, 4110 Yaounde, Cameroon.
Abstract:
This paper constructs a three-step second-order numerical approach for solving a mathematical model on the dynamic of corruption and poverty. The stability and error estimates of the proposed technique are analyzed using the -norm. The developed algorithm is at least zero-stable and second-order accurate. Furthermore, the new method is explicit, faster and more efficient than a large class of numerical schemes applied to nonlinear systems of ordinary differential equations and can serve as a robust tool for integrating general systems of initial-value problems. Some numerical examples confirm the theory and also consider the corruption and poverty in Cameroon.
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