After studying this unit you should be able to:
create simple models, given a clear statement of the problem;
write down the simplifying assumptions that underpin a model;
identify the key variables and the parameters of a model;
apply the input?output principle to obtain a mathematical model, where appropiate;
obtain mathematical relationships between variables, based on or linking back to the simplifying assumptions;
interpret the mathematical solution to a modelling problem in terms of the original statement of the problem;
understand the processes involved in evaluating a model, both qualitatively and quantitatively;
appreciate the role of data in testing the model and, if necessary, in providing parameter values for the model;
understand that the purpose of a model is the benchmark used to judge the suitablility of the model;
appreciate that simple models can be as useful as more complex models, if they serve their intended purpose.
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