The Laplace transform of a function is the function L (s) of the variable s defined

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The Laplace transform of a function ƒ is the function L ƒ(s) of the variable s defined by the improper integral (if it converges):

Lf(s) = f* f(x)e-** dx

Laplace transforms are widely used in physics and engineering.

Compute L ƒ(s), where ƒ(x) = cos αx and s > 0.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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