Cyclic function

In mathematics, a cyclic function ƒ is a function that when iterated some finite number of times yields the identity function, thus:

One can express this as

for all values of x in the domain of ƒ. The number of iterations needed is the order of cyclicity, so that if n iterations are needed then one says that ƒ is cyclic of order n.

单词	Cyclic function
释义	Cyclic function 英语百科 Cyclic function In mathematics, a cyclic function ƒ is a function that when iterated some finite number of times yields the identity function, thus: One can express this as for all values of x in the domain of ƒ. The number of iterations needed is the order of cyclicity, so that if n iterations are needed then one says that ƒ is cyclic of order n.
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