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La·place transform | \ lə-ˈpläs- 
, -ˈplas- \
, -ˈplas- \Definition of Laplace transform
: a transformation of a function f(x) into the function {latex}g(t) = \int_{o}^{\infty}{e^{-xt}f(x)dx}{/latex} that is useful especially in reducing the solution of an ordinary linear differential equation with constant coefficients to the solution of a polynomial equation
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The first known use of Laplace transform was in 1942
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