NOTE: Expressions can also contain any of the following operators: the sum (+), difference (-), product ( * ), quotient ( / ), remainder of two waveforms or the modulo operator (=>), and power (^).
The following table lists waveform functions that you can use to plot expressions.
Waveform Functions
Function Description
+
Addition (sum)
- Subtraction (difference)
* Multiplication
/ Division (quotient)
% Percentage
^ Control
[ Left Brace
] Right Brace
; Semi-colon (split axis)
abs(waveform) The absolute value of the waveform
atan(waveform) Arc tangent of a waveform
cos(waveform) Cos of a waveform
d(waveform) Derivative of a waveform
db(waveform) 20 * log base10(mag(waveform))
deriv Derivative
exp(waveform) E to the power of the waveform
Imag(waveform) The imaginary part of a complex waveform
integ Integral
j(waveform) j * waveform where j=sqrt(-1)
length(waveform) The number of elements in a waveform
ln(waveform) Natural log of the waveform
log(waveform) log base 10 of the waveform
log10 Logarithm - base 10
Mag(waveform) The magnitude of an AC (complex) waveform
max Maximum
mean(waveform) A single number which is the mean of the values in the waveform
min Minimum
norm(waveform) Every element of the waveform divided by the largest element in
the waveform so that everything is between -1 and +1
ph(waveform) The phase portion of a AC waveform
Real(waveform) The real part of a complex waveform
rnd(waveform) A waveform with each element begin a random number between 0
and the corresponding element of the source waveform
s(waveform) Integral of a waveform
sin(waveform) Sin of a waveform
sqrt(waveform) The square root of a waveform
tan(waveform) Tan of a waveform
vector(number) Make a waveform with value 1,2,...number