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Table des transformées de Laplace

Fonction temporelle f(t)Transformée de Laplace F(s)Conditions
δ(t)1
u(t)1ss>0
eatu(t)1sas>a
tnu(t)n!sn+1s>0, n entier
sin(ωt)u(t)ωs2+ω2s>0
cos(ωt)u(t)ss2+ω2s>0
eatsin(ωt)u(t)ω(s+a)2+ω2s>0
eatcos(ωt)u(t)s+a(s+a)2+ω2s>0
cos(ωt)u(t)ss2+ω2s>0
teatu(t)1(sa)2s>a
eatu(t)1s+as>a
sinh(ωt)u(t)ωs2ω2s>ω
cosh(ωt)u(t)ss2ω2s>ω