Problem 233. Reverse the vector

Created by Vishwanathan Iyer

Solve Later

Reverse the vector elements.

Example:

 Input  x = [1,2,3,4,5,6,7,8,9] 
 Output y = [9,8,7,6,5,4,3,2,1]

Solve

Solution Stats

7778 Solutions
4241 Solvers

Last Solution submitted on Jan 17, 2020

Last 200 Solutions

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4 Comments

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Ned Gulley on 2 Feb 2012

Added some more tests.

Nicholas Howe on 13 Apr 2012

Test set needs a column vector.

Kristin on 18 May 2012

As far as timing goes ...

x=rand(100,1);
tic;y=flipud(x);toc
Elapsed time is 0.068947 seconds.
tic;y=x(end:-1:1);toc
Elapsed time is 0.000026 seconds.

Muhammad M Sahari on 20 Dec 2016

innovative

Solution Comments

Solution 1885342

1 Comment

1 Comment

Ashish Khulbey on 27 Jul 2019

This link can help:
https://in.mathworks.com/help/matlab/ref/fliplr.html

Solution 1101193

1 Comment

1 Comment

Yoshimasa Nakatani on 10 Jan 2017

I did it!
(^^)v

Solution 1094317

1 Comment

1 Comment

TAYALAN SIVALINGAM on 29 Dec 2016

Solution 1024425

1 Comment

1 Comment

Ian Harrison on 20 Oct 2016

Errors in the test suite.

Solution 997251

1 Comment

1 Comment

David Verrelli on 3 Sep 2018

This user (mohamed elbesealy) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV

Solution 832503

1 Comment

1 Comment

Pooja Narayan on 19 Feb 2016

Never knew about rot90. I did, y = x(length(x):-1:1) and the size was 19! Learnt something new..

Solution 788174

1 Comment

1 Comment

Alexey Sinitsin on 4 Dec 2015

That was easy

Solution 441189

1 Comment

1 Comment

Joseph Pauwels on 10 May 2014

we had a similar problem in my class

Solution 392029

1 Comment

1 Comment

Ufuk Tamer on 27 Jan 2014

easy one

Solution 242508

1 Comment

1 Comment

hanciong on 10 May 2013

how to make the code even shorter than this???

Solution 105761

1 Comment

1 Comment

li haitao on 14 Nov 2012

helpfull!

Solution 76025

1 Comment

1 Comment

Nicholas Howe on 13 Apr 2012

Test set needs a column vector.

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Problem Tags

basics handling vectors matlab 101

Problem 233. Reverse the vector

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Last 200 Solutions

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Problem Recent Solvers4241

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Problem 233. Reverse the vector

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Last 200 Solutions

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Problem Recent Solvers4241

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