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The Laplace Transform serves as a crucial tool for solving differential equations, converting them into algebraic equations for easier manipulation. This chapter explains the Laplace Transform of derivatives and provides the essential formulas for first and higher-order derivatives. The application of these transforms to solve differential equations, particularly in Initial Value Problems (IVPs) in engineering contexts, is also highlighted.
References
Unit 1 ch5.pdfClass Notes
Memorization
What we have learnt
Final Test
Revision Tests
Term: Laplace Transform
Definition: A mathematical transformation that converts a function of time into a function of a complex variable, simplifying the process of solving differential equations.
Term: First Derivative Transform
Definition: The formula L{f'(t)} = sF(s) - f(0), which relates the Laplace Transform of a function's derivative to the Laplace Transform of the function itself.
Term: nth Derivative Transform
Definition: The general formula for the Laplace Transform of the n-th derivative, L{f^(n)(t)} = s^nF(s) - sum_{k=0}^{n-1} (s^(n-1-k)f^(k)(0)), expressing the transform in terms of the original function's values at zero.