The general function
Sweep Signal
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References
von Seggern, D. CRC Standard Curves and Surfaces. Boca Raton, FL: CRC Press, p. 160, 1993.Referenced on Wolfram|Alpha
Sweep SignalCite this as:
Weisstein, Eric W. "Sweep Signal." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SweepSignal.html