The term "amplitude" is used to refer to the magnitude of an oscillation, so the amplitude of the sinusoid

is , where is the absolute value
of .

The term "amplitude" is also used to refer to the Jacobi
amplitude, or occasionally, to the complex argument.

## See also

Jacobi Amplitude
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## Cite this as:

Weisstein, Eric W. "Amplitude." From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/Amplitude.html

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