Problem 867. Replicate elements in vectors

Jean-Marie Sainthillier

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Replicate each element of a row vector (with NaN) a constant number of times. Examples
 n=2, A=[1 2 3] -> [1 1 2 2 3 3]
 n=0, A=[2 1]   -> []

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Last Solution submitted on Apr 26, 2026

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