uniquify
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Some Matlab functions (e.g., interpolation) require their inputs to be a unique set of values. UNIQUIFY ensures that a given data vector is unique by adding very small numbers to duplicate entries in the input.
UNIQUIFY does NOT sort the values, contrary to Matlab's unique() function - it just slightly modifies any duplicate values. The data remains in its original order.
Example:
vals = uniquify([1,1,1]) -1; => [0, 2.22e-16, 4.44e-16]
Algorithm:
loop over all duplicate entries, adding eps*2^iter in each iteration until the entire data vector is unique.
See also:
unique, interp1, consolidate (on the File Exchange)
Citation pour cette source
Yair Altman (2024). uniquify (https://www.mathworks.com/matlabcentral/fileexchange/16098-uniquify), MATLAB Central File Exchange. Récupéré le .
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Version | Publié le | Notes de version | |
---|---|---|---|
1.0.0.0 | Improved performance & accuracy; fixed runaway exponential deltas; fixed single/double support; added comments |