Chapter 3 Working with MultiLab
81
Exp.
1
2
1
G
C
e
C
y
=
Draws a line of
e
raised to the power of a data set.
Fourier
transform
Discrete Fourier transform of G
1
.
Draws a line of the amplitudes of the harmonics of Fourier transform
vs. frequency.
Frequency
The frequency of G1 (minimum of C
1
points in one cycle).
Draws a line of the frequency of a periodic data set vs. time. The
constant C
1
defines the minimum data points in one cycle.
Integral
t
G
C
C
y
∆
∑
+
=
1
2
1
Draws a line in which each point is the discrete integral of all the
preceding points in a data set.
Kinetic
energy
2
1
1
)
(
2
1
G
C
y
=
Draws a line of the kinetic energy of a data set. The argument
1
G
must be the velocity of the body, and the constant
1
C
must be the
mass of the body.
Linear
1
2
1
G
C
C
y
+
=
Draws a line of a linear displacement of a data set. This function is
useful when you want to change the point of origin of a data set.
Ln
)
ln(
1
2
1
G
C
C
y
=
Draws a line of the natural logarithm of a data set. The argument
1
2
G
C
must be positive.
Log
)
(
log
1
2
10
1
G
C
C
y
=
Draws a line of the logarithm of a data set to base 10. The argument
1
2
G
C
must be positive.
Multiply
2
2
1
1
G
C
G
C
y
⋅
=
Draws a line of the multiplication of two data sets
