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Phase


The angular position of a quantity. For example, the phase of a function cos(omegat+phi_0) as a function of time is

 phi(t)=omegat+phi_0.

The complex argument of a complex number is sometimes also called the phase.


See also

Complex Argument, Complex Number, Phase Curve, Phase Flow, Phase Plane, Phase Portrait, Phase Space, Phase Transition, Phasor, Retardance

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Cite this as:

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

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