Problem 760. Duplicate each element of a vector.

Created by Julio

Solve Later

for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Example : in->[2 3 NaN 5] and out->[2 2 3 3 NaN NaN 5 5]

Solve

Solution Stats

896 Solutions
464 Solvers

Last Solution submitted on Mar 24, 2020

Last 200 Solutions

Solution Comments

Solution 489792

1 Comment

1 Comment

Harish Maradana on 23 Aug 2014

improve test suit

Solution 274918

1 Comment

1 Comment

Rona on 7 Jul 2013

This solution only works for vectors that are already sorted from low to high :) but it passed the test suite

Solution 183683

1 Comment

1 Comment

Duane Hanselman on 31 Dec 2012

This works in R2012b, but not on cody
function ans = duplicate(x)
[x;x];
x(:)';
end

Problem Recent Solvers464

Problem Tags

vectors

Problem 760. Duplicate each element of a vector.

Solution Stats

Last 200 Solutions

Solution Comments

Problem Recent Solvers464

Suggested Problems

More from this Author10

Problem Tags

Problem 760. Duplicate each element of a vector.

Solution Stats

Last 200 Solutions

Solution Comments

Problem Recent Solvers464

Suggested Problems

More from this Author10

Problem Tags

Players