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Question: invlaplace isn't working

Question:invlaplace isn't working

KIm Gaeun 10 Maple
inttrans invlaplace
November 30 2021
2

hello,

Inverse laplace (invlaplace) isn't working.

g(s) is an exponential function expressed by the linear equation of s.

d(s) is an exponential function expressed by the  quadratic equation of s.

g(s)'s invplace is worked well, but d(s) isn't working. What happen?

restart;
with(inttrans);

g(s) := s -> exp(-3*s):


gg(t) := t -> invlaplace(g(s), s, t):


gg(t);
                          Dirac(t - 3)


d(s) := s -> exp(s^2):


k(t) := t -> invlaplace(d(s), s, t):


k(t);
                           /      uminus01/   / 2\      \  
     Typesetting:-mcomplete\ℒ        \exp\s /, s, t/, 

                         /[          /   / 2\      \]\\
       Typesetting:-_Hold\[invlaplace\exp\s /, s, t/]//


 
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