sawtooth - Sawtooth or triangle wave
Syntax
sawtooth(t)
sawtooth(t,width)
Description
sawtooth(t) generates a sawtooth
wave with period 2π for the elements of time vector t. sawtooth(t) is
similar to sin(t),
but creates a sawtooth wave with peaks of -1 and 1 instead of a sine
wave. The sawtooth wave is defined to be -1 at multiples of 2π
and to increase linearly with time with a slope of 1/π at all
other times.
sawtooth(t,width) generates
a modified triangle wave where width, a scalar
parameter between 0 and 1, determines the point between 0 and 2π
at which the maximum occurs. The function increases from -1 to 1 on
the interval 0 to 2π*width, then decreases
linearly from 1 to -1 on the interval 2π*width to
2π. Thus a parameter of 0.5 specifies a standard triangle wave,
symmetric about time instant π with peak-to-peak amplitude of
1. sawtooth(t,1) is equivalent to sawtooth(t).
See Also
chirp, cos, diric, gauspuls, pulstran, rectpuls, sin, sinc, square, tripuls
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