Back نقطة ثابتة (رياضيات) Arabic Punt fix Catalan Pevný bod Czech Куçайми пăнчă CV Pwynt sefydlog Welsh Fixpunkt (Mathematik) German Fiksa punkto (matematiko) Esperanto Punto fijo Spanish نقطه ثابت Persian Kiintopiste (matematiikka) Finnish
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In mathematics, a fixed point (sometimes shortened to fixpoint), also known as an invariant point, is a value that does not change under a given transformation. Specifically, for functions, a fixed point is an element that is mapped to itself by the function.