| 21. | The existence of parallel transport follows from standard existence theorems for ordinary differential equations.
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| 22. | The five species model is based upon 5 ordinary differential equations and 17 algebraic equations.
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| 23. | It numerically solves ordinary differential equations and difference equations, originally developed to execute STELLA programs.
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| 24. | The Lighthill-Freeman model is based upon a single ordinary differential equation and one algebraic equation.
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| 25. | For example, it arises as the point symmetry group of a certain ordinary differential equation.
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| 26. | This yields an ordinary differential equation of the form:
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| 27. | To perform these tasks Lebedev developed an analog computer system to solve ordinary differential equations.
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| 28. | This reduces the model equations to a set of three coupled, nonlinear ordinary differential equations.
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| 29. | This is an ordinary differential equation of the form
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| 30. | Rosenzweig used ordinary differential equation models to simulate the prey population that represented only prey populations.
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