Unit-circle definition

(geometry) A circle of radius 1.
noun
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(trigonometry, the unit circle) The circle of radius 1 with centre at the origin, used in defining trigonometric functions.
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Other Word Forms

Noun

Singular:
unit-circle
Plural:
unit circles

Unit-circle Sentence Examples

  • The transition matrices of periodic Markov chains have eigenvalues on the unit circle.

  • We will now stabilize the AR model by moving these roots to the unit circle.

  • The NL SF algorithm adds full spectral factorization so that both the AR and MA roots will lie within the unit circle.

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Words near unit-circle in the Dictionary