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

7565 Solutions
4102 Solvers

Last Solution submitted on Dec 08, 2019

Last 200 Solutions

Problem Comments

4 Comments

4 Comments

Show 1 older comment

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.

Problem Recent Solvers4102

Problem Tags

basics handling vectors matlab 101

Problem 233. Reverse the vector

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers4102

Suggested Problems

More from this Author1

Problem Tags

Problem 233. Reverse the vector

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers4102

Suggested Problems

More from this Author1

Problem Tags

Players