June 2025
Intermediate to advanced
515 pages
17h 5m
English
The spread of an epidemic can be described by means of a differential equation system that consists of three differential equations. In this case, a population N is divided into three groups: the healthy S (Susceptible), the infected I (Infective), and the recovered R (Removed).
The following conditions should apply when we create the model:
Deaths and births are to be disregarded. As a result, at all times, the following applies:
.
Infected individuals are immediately contagious.
Healthy individuals are infected at an infection rate of b > 0.
Infected individuals recover at a recovery rate ...
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