Use Definition 7.1.1, DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t 2 0. Then the integral LEMC)} = e-stF(t) dt is said to be the Laplace transform of f, provided that the integral converges. to find L{f(t)}. (Write your answer as a function of s.) 0, f(t) 0st< n/2 cos(t), t2 π/2 L{f(t)} = (s > 0)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Use Definition 7.1.1,
DEFINITION 7.1.1
Laplace Transform
Let f be a function defined for t 2 0. Then the integral
L{f(t)} =
e-stf(t) dt
is said to be the Laplace transform of f, provided that the integral converges.
to find L{f(t)}. (Write your answer as a function of s.)
so,
f(t) =
Cos(t).
0st< T/2
t2 π/2
L{f(t)} =
(s > 0)
Transcribed Image Text:Use Definition 7.1.1, DEFINITION 7.1.1 Laplace Transform Let f be a function defined for t 2 0. Then the integral L{f(t)} = e-stf(t) dt is said to be the Laplace transform of f, provided that the integral converges. to find L{f(t)}. (Write your answer as a function of s.) so, f(t) = Cos(t). 0st< T/2 t2 π/2 L{f(t)} = (s > 0)
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