document unique(i -> a[i], eachindex(a)) trick #45291
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mcabbott
reviewed
May 12, 2022
mcabbott
reviewed
May 12, 2022
…elationship to unique(a)
nalimilan
approved these changes
May 12, 2022
Co-authored-by: Milan Bouchet-Valat <nalimilan@club.fr>
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As noted in #1845, indices of unique elements in
acan be computed withunique(i -> a[i], eachindex(a)), and this PR adds that as an example in the documentation as suggested by @nalimilan .This is equivalent to the second output of the Matlab
uniquefunction or to toreturn_index=Trueinnumpy.unique.