+A **fixed point** of a [function](/wiki/Function) is an input value that maps to itself; applying the function leaves it unchanged. It represents a state of [equilibrium](/wiki/Equilibrium) or invariance, a stable anchor in dynamic systems and iterative calculations.
+## See also
+- [Iteration](/wiki/Iteration)
+- [Recursion](/wiki/Recursion)
+- [Stability](/wiki/Stability)
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