Back Funkcia kvadrata radiko Esperanto Media iteración Spanish Racine carrée fonctionnelle French 函数的平方根 Japanese Полуитерат Russian Punsiyonal na pariugat Tagalog
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In mathematics, a functional square root (sometimes called a half iterate) is a square root of a function with respect to the operation of function composition. In other words, a functional square root of a function g is a function f satisfying f(f(x)) = g(x) for all x.