# how to find out how many columns have more than 50 elements which are greater than 1?

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Yuchen Song on 15 Oct 2019
Commented: Yuchen Song on 15 Oct 2019
I currently have a matrix that's 100*100 size, and I wish to work out how many columns have more than 50 elements which are greater than 1. Is it possible to do it using only rudimentary functions like find(), mod(), length(), numel(), etc?

KALYAN ACHARJYA on 15 Oct 2019
Edited: KALYAN ACHARJYA on 15 Oct 2019
I currently have a matrix that's 100*100 size, and I wish to work out how many columns have more than 50 elements which are greater than 1
Lets say matrix 100*100 named as data
idx=data>1;
result=sum(idx);
data2=result>50;
fprintf('The column number is: %d',sum(data2(:)));
Yuchen Song on 15 Oct 2019
Thank you so much! This solves my problem perfectly!

x = rand(100) * 2;
atLeast50 = sum(x > 1, 1) > 50;

R2019b

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