Casio 330 User Manual
Page 170
20060301
The values of a and b depend on the scientific discipline, which can be specified by the
value of n (optional fourth parameter of Fourier and invFourier) as shown below.
n
(optional)
a
b
Definition of the Fourier
Integral
Modern Physics
0
0
1
–
e
x
i
f
(
x
)
dx
2
2
Pure Math
1
1
–1
Probability
2
1
1
Classical Physics
3
–1
1
–
e
x
i
f
(
x
)
dx
2
Signal Processing
4
0
–2*
P
Tip
• The Advanced Format dialog box can be used to configure settings related to the Fourier
Transform, such a Fourier Transform definition, etc. For details, see “Advanced Format Dialog
Box” on page 1-9-11.
2-8-10
Using the Action Menu
The Fourier Transform pairs are defined using two arbitrary constants a, b.
–
f
(
t
)
e
ib
t
dt
F
(
)
=
b
(2
)
1–a
–
F
(
)
e
–
ib
t
d
f
(
t
)
=
b
(2
)
1+a
–
e
–
x
i
f
(
x
)
dx
–
e
x
i
f
(
x
)
dx
–
e
–2
x
i
f
(
x
)
dx