Problem 2350. What is Sum Of all elements of Matrix

Created by Vishal

Solve Later

Given the matrix x, return the sum of all elements of matrix.

Example:

 Input  x = [ 1 2 0 0 0
              0 6 9 3 3 ]
 Output y is 24.

 Input  x = [ 1 NaN 0 0 0
              0 6 9 3 3 ]
 Output y is NaN.

Solve

Solution Stats

288 Solutions
221 Solvers

Last Solution submitted on Feb 23, 2020

Last 200 Solutions

Problem Comments

6 Comments

6 Comments

Show 3 older comments

Guillaume on 8 Sep 2014

isequal(NaN, NaN) always return false. By definition Nans are not equal to each other. If you want test that a result is NaN, either use isnan, or use isequaln

Grzegorz Knor on 8 Sep 2014

The problem is unsolvable due to the second test.

Zikobrelli on 8 Sep 2014

isequalwithequalnans

Abdullah Caliskan on 8 Sep 2014

I agree guys! something wrong

J.R.! Menzinger on 8 Sep 2014

please use the function: isequalwithequalnans
;-)

Ned Gulley on 9 Sep 2014

Thanks for the suggestions. I fixed with isequalwithequalnans.

Problem Recent Solvers221

Problem Tags

basic matlab matrices

Problem 2350. What is Sum Of all elements of Matrix

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers221

Suggested Problems

More from this Author6

Problem Tags

Problem 2350. What is Sum Of all elements of Matrix

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers221

Suggested Problems

More from this Author6

Problem Tags

Players