Overshoot refers to the phenomenon where a signal exceeds its desired value during the transient response phase, often seen in the context of approximating a function with discontinuities. This overshoot occurs particularly in the Gibbs phenomenon, where oscillations appear around a jump discontinuity in a function, leading to an overshoot of approximately 9% over the actual value. Understanding overshoot helps in analyzing how different approximations behave when representing signals, particularly in relation to convergence.
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