ləˈpläs-, -las- noun
Usage: usually capitalized L
Etymology: after Pierre Simon de Laplace died 1827 French astronomer and mathematician
: a transformation of a function f ( x ) into the function g(t) = ∫ 0 ∞ e -xt f(x) dx that is useful especially in reducing the solution of an ordinary linear differential equation with constant coefficients to the solution of a polynomial equation