Problem 1024. Doubling elements in a vector

Created by Abdelhak ARESMOUK

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Given the vector A, return B in which all numbers in A are doubling. So for:

A = [ 1 5 8 ]

then

B = [ 1 1 5 5 8 8 ]

Solve

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Last Solution submitted on Nov 30, 2023

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srisai vangara on 29 Apr 2020

Really found a lot of trouble to find the solution.
But could not find how someone could solve it just using a size of 7.

Sivaramarao B on 7 Jun 2020

good one

Kaiz Merchant on 4 Aug 2020

What matlab functions are useful for this ? (I did it with a loop)

Michael Green on 8 Feb 2021

Good problem if you don't use repelem

Javid Moraveji on 4 Jun 2022

I think the test should also check for column vectors and any vector with special variables Inf and NaN

Mostafa on 30 Dec 2022

Nice problem without using kron function

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Problem 1024. Doubling elements in a vector

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Last 200 Solutions

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Problem 1024. Doubling elements in a vector

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Last 200 Solutions

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Problem Recent Solvers7124

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