Definition:Periodic Real Function/Amplitude
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Definition
Let $f: \R \to \R$ be a periodic real function.
The amplitude of $f$ is the maximum absolute difference of the value of $f$ from a reference level.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): amplitude: 2.
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): amplitude: 2.