Casio CLASSPAD 330 3.04 - Page 143

20090601
I
Dirac Delta Function
“delta” is the Dirac Delta function. The delta function evaluates numerically as shown below.
0,
x
x
0
D
(
x
) =
{
D
(
x
),
x
= 0
Non-numeric expressions passed to the delta function are left unevaluated. The integral of a
linear delta function is a Heaviside function.
Syntax: delta(
x
)
x
: variable or number
Examples:
I
n
th
Delta Function
The
n
th
-delta function is the
n
th differential of the delta function.
Syntax: delta(
x
,
n
)
x
: variable or number
n
: number of differentials
Examples:
2-4-16
Function Calculations