fast array substitution
Given a numerical array A and two arrays From and To of equal size, we would like to make substitution From(i)->To(i) in the array A for every i.
If the number of values to substitutes (numel(From)) is small, one can use a vectorized code to substitute the values one-by-one. However, this is too costy if there are too many substitutions. In this case, the provided function uses a different algorithm. It sorts the array A and the substitution rules and then it does one non-vectorized sweep of the inputs. Finally, we restore the original order and shape of A.
Citation pour cette source
Ondrej Budac (2024). fast array substitution (https://www.mathworks.com/matlabcentral/fileexchange/47101-fast-array-substitution), MATLAB Central File Exchange. Récupéré le .
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1.1.0.0 | added an icon |
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