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Differential Equations MTH 242 Lecture # 27 Dr. Manshoor Ahmed

Differential Equations MTH 242 Lecture # 27 Dr. Manshoor Ahmed. Summary(Recall). System of first-order linear differential equations. Homogeneous and nonhomogeneous systems. How to write a single nth-order linear differential as a system of first-order differential equations.

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Differential Equations MTH 242 Lecture # 27 Dr. Manshoor Ahmed

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  1. Differential Equations MTH 242 Lecture # 27 Dr. Manshoor Ahmed

  2. Summary(Recall) • System of first-order linear differential equations. • Homogeneous and nonhomogeneous systems. • How to write a single nth-order linear differential as a system of first-order differential equations. • How to write a system of higher order linear differential as a system of first-order differential equations. • Matrix notation for system of first-order linear DEs. • Solution vector of system of first-order linear DEs.

  3. So, in previous lectures we considered systems of the form

  4. Exercises for practice

  5. Summary • Initial value problem in case of system of differential equations. • Existence and uniqueness theorem. • Superposition principle. • Linear independence and dependence. • Wronskian in case system of equations. • Complementary function and particular integral and general solution of a system of equations.

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