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单词 PeriodicPoint
释义

periodic point


Let f:XX be a functionMathworldPlanetmath and fn its n-th iteration. A point x is called a periodic pointMathworldPlanetmath of period n of f if it is a fixed point of fn. The least n for which x is a fixed point of fn is called prime period or least period.

If f is a function to or to then a periodic point x of prime period n is called hyperbolic if |(fn)(x)|1, attractive if |(fn)(x)|<1 and repelling if |(fn)(x)|>1.

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更新时间:2025/5/4 19:59:00