Laplace Formula

Inverse Laplace Transform

Inverse Laplace Transform: As mentioned earlier, inverse Laplace transform is calculated by partial fraction method rather than complex integration evaluation. Let F(s) is the Laplace transform of f(t) then the inverse Laplace transform is denoted as, The F(s), in partial fraction method, is written in the form as, where N(s) = Numerator polynomial in s

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Convolution Theorem

Convolution Theorem: The convolution theorem of Laplace transform states that, let f1 (t) and f2 (t) are the Laplace transformable functions and F1 (s), F2 (s) are the Laplace transforms of f1 (t) and f2 (t) respectively. Then the product of F1 (s) and F2 (s) is the Laplace transform of f(t) which is obtained

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Ramp Function

Ramp Function: The ramp function is shown in the Fig. 2.10. Mathematically such a function is expressed as, Thus it is a straight line of slope A. This slope A is called amplitude or magnitude of ramp functions. Unit Ramp Function [r(t)]: The ramp functions with unity slope i.e. having magnitude of one always, is

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Laplace Transform Properties

Laplace Transform Properties: The Laplace Transform Properties are namely, 1. Linearity: The transform of a finite sum of time functions is the sum of the Laplace transforms of the individual functions. So if F1(s), F2(s),……..Fn(s) are the Laplace transforms of the time functions f1(t), f2(t), ……….., fn(t) respectively then, Explain: Let us find the Laplace transform

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