maths: add autocorrelation function#14895
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Cleaned up the commit history — squashed the pre-commit auto-fix commits and removed an unrelated commit that got mixed in during a rebase. This PR now contains a single commit for the autocorrelation function. |
mindaugl
approved these changes
Jul 4, 2026
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Description
Adds an autocorrelation function to the maths directory.
Autocorrelation measures the correlation of a signal with a delayed copy of itself. It is widely used in time series analysis, signal processing, and statistics.
Changes
maths/autocorrelation.pywith:autocorrelation(data, lag)functionValueErrorfor invalid lag or zero varianceReferences
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