matlab - Reindexing some values in a vector -

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i have vector of size 40000 values like

12312345 4564 122356 3455 34566

there 200 unique values in vector. want replace these big values numbers 1:200

such smallest vector value replaced 1, next smallest 2 , on 200.

how can in matlab?

the third output of unique you!

[~,~,newvector]=unique(vector)

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