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Plotting inverse laplace w.r.t.

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Yash Kulkarni
Yash Kulkarni 2019-6-21
评论： Vishnu Vardhan 2019-6-21
How can I plot inverse laplace of a fucntion which contains exponential and hyperbolic functions on Matlab? like
(0.2696)/(s-0.1384*(s^1)*((exp(1.2468*s)+exp(-1.2468*s))/((exp(1.2468*s)-exp(-1.2468*s)))))

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回答（1 个）

Vishnu Vardhan
Vishnu Vardhan 2019-6-21
Hi Yash
You can use ilaplace function to compute the inverse laplace of H as shown below.
h=matlabFunction(ilaplace(H));
t=1:0.01:100;
plot(t,h(t))
  2 个评论
Yash Kulkarni
Yash Kulkarni 2019-6-21
Hi Vishnu,
ilaplace wroks only for simple functions. In this case it throws back to me the orginal function.
Vishnu Vardhan
Vishnu Vardhan 2019-6-21
From the documentation page it looks like the inputs can be symbolic expression | symbolic function | symbolic vector | symbolic matrix and also given that if it cannot compute the inverse then it returns an unevaluated call to ilaplace.Hence you are observing that results.

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