Laplace Transform of Bessel Function of the First Kind of Order Zero/Corollary
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Corollary to Laplace Transform of Bessel Function of the First Kind of Order Zero
Let $J_0$ denote the Bessel function of the first kind of order $0$.
Then the Laplace transform of $\map {J_0} {a t}$ is given as:
- $\laptrans {\map {J_0} {a t} } = \dfrac 1 {\sqrt {s^2 + a^2} }$
Proof
\(\ds \laptrans {\map {J_0} t}\) | \(=\) | \(\ds \dfrac 1 {\sqrt {s^2 + 1} }\) | Laplace Transform of Bessel Function of the First Kind of Order Zero | |||||||||||
\(\ds \leadsto \ \ \) | \(\ds \laptrans {\map {J_0} {a t} }\) | \(=\) | \(\ds \dfrac 1 a \dfrac 1 {\sqrt {\paren {s / a}^2 + 1} }\) | Laplace Transform of Constant Multiple | ||||||||||
\(\ds \) | \(=\) | \(\ds \dfrac 1 {\sqrt {s^2 + a^2} }\) | simplifying |
$\blacksquare$
Sources
- 1965: Murray R. Spiegel: Theory and Problems of Laplace Transforms ... (previous) ... (next): Chapter $1$: The Laplace Transform: Laplace Transforms of Special Functions: $2$
- 1965: Murray R. Spiegel: Theory and Problems of Laplace Transforms ... (previous) ... (next): Chapter $1$: The Laplace Transform: Solved Problems: Bessel Functions: $34 \ \text{(b)}$