3. Topic 3: First Shifting Theorem
The chapter explores the First Shifting Theorem within Laplace Transforms, highlighting its utility in solving linear differential equations and its application in various engineering fields. It addresses how this theorem facilitates the handling of functions multiplied by exponential terms in the time domain, allowing for shifts in the Laplace domain. Additionally, it includes proofs, applications, common mistakes, and provides exercises to reinforce understanding.
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Sections
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What we have learnt
- The First Shifting Theorem relates the Laplace Transform of a function multiplied by an exponential to a shift in the Laplace domain.
- Applications of the theorem include solving ordinary differential equations (ODEs) with exponential forcing functions and modeling dynamic systems.
- Attention to conditions such as 's > a' is crucial for ensuring the convergence of the transform.
Key Concepts
- -- Laplace Transform
- A mathematical operation that transforms a function of time into a function of a complex variable, typically used to solve differential equations.
- -- First Shifting Theorem
- States that multiplying a time-domain function by an exponential results in a horizontal shift in the Laplace domain.
- -- Convergence Conditions
- The requirement that the variable s must be greater than the real part of the shift 'a' for the Laplace Transform to be valid.
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