Numerical Analysis I
In the context of error propagation and analysis, σ (sigma) represents the standard deviation, a statistical measure that quantifies the amount of variation or dispersion of a set of values. A low σ indicates that the values tend to be close to the mean, while a high σ indicates that the values are spread out over a wider range. Understanding σ is crucial for analyzing how uncertainties in measurements affect the overall accuracy and reliability of computed results.
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