Titlebook: Differential Equation Models; Martin Braun,Courtney S. Coleman,Donald A. Drew Book 1983 Springer Science+Business Media New York 1983 Diff

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Single Species Population Modelso model the growth of a species by a differential equation since the population of any species always changes by integer amounts. Hence the population of any species can never be a differentiable function of time. However, if a given population is very large and it is suddenly increased by one, then

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The Spread of Technological Innovationsduced by one firm, how soon do others in the industry come to adopt it, and what factors determine how rapidly they follow? In this chapter we construct a model of the spread of innovations among farmers, and then show that this same model describes the spread of innovations in such diverse industri

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