Asked by Hello kity
on 30 Jan 2013

I have an easy question;

I have a matrix ( x row, x columns) filled with 0s and 1s.

I want to check if there is a 1 in every row (for every column).

then result that in a new matrix

so basically it is this

0 0 0 = 0 1 0 0 = 1 0 1 0 = 1 0 0 1 = 1

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## 3 Comments

## Jan Simon (view profile)

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/60348#comment_126002

What should happen for [1,1,0] and [1,1,1]?

## Image Analyst (view profile)

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/60348#comment_126008

Not that it matters, but you don't have x rows and x columns - your matrix is not square. Plus your answer does not check for a 1 in

everyrow foreverycolumn. That would be an array that iscompletely all 1's. You don't even check for 1's in every column. You're just checking each row if there isa1, which is quite different. Plus we don't even know if you need exactly one 1, or if multiple 1's should also produce a 1 for that row in your output vector.## Hello kity (view profile)

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/60348#comment_126048

I can only get a single 1 at each row, that is how my data is buildup.