How to find ilaplace

Question

komigan 2023-6-16

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https://ww2.mathworks.cn/matlabcentral/answers/1984039-how-to-find-ilaplace

回答： komigan 2023-6-16

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 to find inverse of Laplace of this equation on matlab

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Shaik mohammed ghouse basha 2023-6-16

Hi @komigan,

The equation is already in time domain itself right. So do you mean to find Laplace of this equation? Because inverse laplace is applies on laplace transform signal to get it into time domain.

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Answer 1

Prannoy 2023-6-16

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https://ww2.mathworks.cn/matlabcentral/answers/1984039-how-to-find-ilaplace#answer_1257249

在 MATLAB Online 中打开

To find the inverse Laplace transform of a given equation on MATLAB, we can use the ilaplace() function that is included in the Symbolic Math Toolbox. Here's an example usage:

syms s t;
F = (s+1)/(s^2 + 4*s + 3);
f = ilaplace(F, s, t)

In this example, we first define symbolic variables s and t using the syms() function. Next, we define the Laplace transform F(s) of the function of interest using the symbolic variables we just defined.

Finally, we obtain the inverse Laplace transform of F(s) with respect to s and as a function of t using the ilaplace() function. The result is stored in symbol variable f.

P.S. Do you really intend to find inverse laplace transform?