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Meaning of Laplace transform

Laplace' trans"form

Pronunciation: [key]
— Math. Math.
  1. a map of a function, as a signal, defined esp. for positive real values, as time greater than zero, into another domain where the function is represented as a sum of exponentials. Cf. Fourier transform.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.