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The numerical solution of ordinary and algebraic differential equations using one step methods

Gerard Keogh-1990-01-01-Dublin City University Open Access Institutional Repository (Dublin City University)

TL;DRAbstract

This thesis addresses the problem of finding numerical solutions to ordinary and algebraic differential equation systems. Our primary focus is the application of onestep numerical schemes to these problem classes.
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\nFirstly we concentrate on the narrower class of explicit Ordinary Differential Equation (O DE) systems. We analyse the theory necessary develop efficient algorithms based on our chosen one-step numerical schemes. These algorithms are then applied to the solution of a standard test set of ODE systems. The results are then compared with those obtained using standard software packages on the same problem test set.
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\nOur theory is then extended to include the wider class of Algebraic Differential Equation (more commonly called Differential Algebraic Equation (D A E ) ) systems. Based on this theory, we are able to adapt our one-step schemes to solve this harder class of problem. Once again the resulting algorithms are tested on a selection of problems and

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This thesis addresses the problem of finding numerical solutions to ordinary and algebraic differential equation systems. Our primary focus is the application of onestep numerical schemes to these problem classes.
\n
\nFirstly we concentrate on the narrower class of explicit Ordinary Differential Equation (O DE) systems. We analyse the theory necessary develop efficient algorithms based on our chosen one-step numerical schemes. These algorithms are then applied to the solution of a standard test set of ODE systems. The results are then compared with those obtained using standard software packages on the same problem test set.
\n
\nOur theory is then extended to include the wider class of Algebraic Differential Equation (more commonly called Differential Algebraic Equation (D A E ) ) systems. Based on this theory, we are able to adapt our one-step schemes to solve this harder class of problem. Once again the resulting algorithms are tested on a selection of problems and

Keywords

Ordinary differential equationMathematicsClass (philosophy)Differential algebraic equationSoftwareOdeDifferential equationSet (abstract data type)

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