+The **condition number** reveals a problem's inherent fragility, quantifying how much an output might shift from a tiny input nudge. A high condition number signals an [Ill-Conditioned](/wiki/ill-conditioned) problem, where answers are easily swayed; a low number indicates [Stability](/wiki/stability).
+## See also
+- [Numerical Analysis](/wiki/numerical_analysis)
+- [Linear Algebra](/wiki/linear_algebra)
+- [Matrix](/wiki/matrix)
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