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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)1s−as>a
tnu(t)n!sn+1s>0, n entier
sin⁡(ωt)u(t)ωs2+ω2s>0
cos⁡(ωt)u(t)ss2+ω2s>0
e−atsin⁡(ωt)u(t)ω(s+a)2+ω2s>0
e−atcos⁡(ωt)u(t)s+a(s+a)2+ω2s>0
cos⁡(ωt)u(t)ss2+ω2s>0
teatu(t)1(s−a)2s>a
e−atu(t)1s+as>−a
sinh⁡(ωt)u(t)ωs2−ω2s>ω
cosh⁡(ωt)u(t)ss2−ω2s>ω