Introduction to Nonlinear Models
Gerard V. Middleton, David M. Rubin, 1995. "Introduction to Nonlinear Models", Nonlinear Dynamics and Fractals: New Numerical Techniques for Sedimentary Data, Gerard V. Middleton, Roy E. Plotnick, David M. Rubin
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In the following discussion we will use the term “model” as a short form of “mathematical model”, that is, a set of equations that are designed to represent some aspect of the real world. We recognize that other types of models are possible, e.g., conceptual models that cannot be exactly quantified, or physical models, that are generally models built of real materials, but at a smaller scale than the real phenomenon. We can recognize two different extreme types of mathematical models.