functional root

English

functional root (plural functional roots)

(mathematics) A function which, when applied a given number of times, equals another given function.
${\\displaystyle x^{2}+1}$ is the functional 2nd root of ${\\displaystyle x^{4}+2x^{2}+2}$ .

单词	functional root
释义	functional root English Noun functional root (plural functional roots) (mathematics) A function which, when applied a given number of times, equals another given function. ${\\displaystyle x^{2}+1}$ is the functional 2nd root of ${\\displaystyle x^{4}+2x^{2}+2}$ .
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