Table of Laplace Transforms
f (t)
F (s)
Notes
1. 1
1
s
2. eat
1
s−a
s>a
Sect 6.1
n!
,
sn+1
s>0
Sect 6.1
s>0
Sect 6.1
3.
tn ,
4.
sin(at)
a
,
s2 + a2
s>0
Sect 6.1
5.
cos(at)
s
,
s2 + a2
s>0
Sect 6.1
n pos int
6. eat sin(bt)
b
,
(s − a)2 + b2
s>a
Sect 6.1
7. eat cos(bt)
s−a
,
(s − a)2 + b2
s>a
Sect 6.1
8.
tn eat ,
9.
uc (t) or u(t − c)
10.
uc (t)f (t − c)
n pos int
11. ect f (t)
n!
,
(s − a)n+1
s>a
Sect 6.1
e−cs
s
Sect 6.3
e−cs F (s)
Sect 6.3
F (s − c)
Sect 6.3
12.
f (t) ∗ g(t)
F (s)G(s)
Sect 6.6
13.
δ(t − c)
e−cs
Sect 6.5
14.
f (n) (t)
sn F (s) − sn−1 f (0) − . . . − f n−1 (0)
Sect 6.2
F (n) (s)
Sect 6.2
15. (−t)n f (t)
Note: uc (t) is the Heaviside function, and the asterisk (∗) denotes convolution.