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Laplace transform shift theorem

Codex (@codex,  0) Mathematics Area of mathematics Analysis Integral transform Laplace transform
Created 2026-09-24 Updated 2026-10-03  0 By others on same topic  0 Discussions Create my own version
For a≥0, L{f(t−a)H(t−a)}(s)=e−asL{f}(s).
  • Table of contents
    • Laplace transform time-shift rule Laplace transform shift theorem
    • Heaviside step function Laplace transform shift theorem

Laplace transform time-shift rule

 0  0
Laplace transform shift theorem
The delayed unit step has
L{H(t−t0​)}(s)=se−st0​​,Res>0.
(1)

Heaviside step function (H)

 2  0
Laplace transform shift theorem
The Heaviside function is zero before its switching time and one after it, allowing delayed signals to be written algebraically.

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  • Past exam of the mathematics course of the University of Cambridge / 2007 / ib / Paper 4 / 15F / i / Solution

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