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2005-P_Howard-Modeling with ODE

Author(s): P howard

NA

Keywords: Fluid Mechanics compartment populations variational methods Hamiltonian mechanics

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Abstract

Resource Image In these notes we consider three critical aspects in the theory of ordinary differential equations: developing models of physical phenomena, mathematically well-posed, solving ODE numerically .

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Description

Howard P. 2005. Modeling with ODE. Notes. 48 pp.

See https://www.math.tamu.edu/~phoward/m412/modode.pdf . Accessed 27 March 2023.

Great exposition and lots of Modeling Scenarios almost laid out completely as exercises.

From the text

Overview

A wide variety of natural phenomena such as projectile motion, the flow of electric current, and the progression of chemical reactions are well described by equations that relate changing quantities. As the derivative of a function provides the rate at which that function is changing with respect to its independent variable, the equations describing these phenomena often involve one or more derivatives, and we refer to them as differential equations. In these notes we consider three critical aspects in the theory of ordinary differential equations:

1. Developing models of physical phenomena,

2. Determining whether our models are mathematically”well-posed" (do solutions exist? are these solutions unique? do the solutions we find for our equation genuinely correspond with the phenomenon we are modeling), and

3. Solving ODE numerically with MATLAB.

Keywords: differential equation, model, compartment, stability, population, mechanics, Matlab, first order, numerical methods, variational methods, Hamiltonian mechanics, stability, existence, uniqueness

 

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Author(s): P howard

NA

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