Problem 1024. Doubling elements in a vector

Created by Abdelhak ARESMOUK

Solve Later

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

Solution Stats

3251 Solutions
1519 Solvers

Last Solution submitted on Jul 09, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

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

Solution Comments

Solution 2589328

1 Comment

1 Comment

Piero Cimule on 20 Jun 2020 at 17:55

B=[]
for i=1:length(A)
for j=1:2
B(end+1)=A(i);
end
end

Solution 2513921

1 Comment

1 Comment

Batuhan CELIK on 10 Jun 2020 at 23:02

@ivan lyss Could you help me How solved this problam

Solution 1936856

2 Comments

2 Comments

Uchechukwu Obimma on 9 May 2020

Please, I need your help to solve this problem, ChanXy.

Umur Ulas Harman on 25 Jun 2020 at 22:57

function B = your_fcn_name(A)
B=repelem(A,2);
end

Problem Recent Solvers1519

Problem Tags

iteration loop vector

Problem 1024. Doubling elements in a vector

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers1519

Suggested Problems

More from this Author2

Problem Tags

Problem 1024. Doubling elements in a vector

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers1519

Suggested Problems

More from this Author2

Problem Tags

Players