Find last occurrence with UNIQUE

Question

There is a vector of numbers:

y = [
2013;
2013;
2013;
2014;
2014;
2015;
2016]

Scilab function unique creates the vector km with indexes of the first occuring unique number in y:

[U, km, ku, nb] = unique(y)

km is:

I need a index vector of the last occurrence of the unique numbers like:

How can I achieve this?

Serge Steer · Accepted Answer · 2024-12-25 10:09:19Z

1

You can just apply unique to y($:-1:1) and then let km=n-km+1 where n is the size of y

answered Dec 25, 2024 at 10:09

Serge Steer

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