Appendices
Dynamics of Complex Systems Concepts and methodology

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Appendices


Dynamics of Complex Systems Concepts and methodology

Author : Didier CUMENAL

Publication date: September 10, 2017, Review date: May 10, 2021 | Lire en français

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4. Appendices

4.1 Mathematical formalism of system dynamics

You don't need to master the mathematics behind system dynamics. But "lifting the hood" will give you a better understanding of the mathematical workings of system dynamics tools.

Continuous change over time is mathematically expressed by a differential equation. To solve this numerically on a computer, finite-difference equations are used, which calculate the value of a state (function) at successive instants separated by a time interval. The smaller the time interval, the better the approximation of the function.

These finite difference equations are generally expressed as :

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