How to descend order column that have maximum values zero in MATLAB

2 views (last 30 days)
For example : A=[ 0 3 2 5 0 3 1 1 2 2; 5 8 6 6 1 0 0 2 3 3; 7 9 9 7 0 0 0 0 0 0; 8 10 10 9 9 8 10 6 5 7;] And column order that have maximum values zero : 5 6 7 1 8 9 10 2 3 4

Accepted Answer

KSSV
KSSV on 31 Mar 2017
A=[ 0 3 2 5 0 3 1 1 2 2; 5 8 6 6 1 0 0 2 3 3; 7 9 9 7 0 0 0 0 0 0; 8 10 10 9 9 8 10 6 5 7;] ;
[m,n] = size(A) ;
c = zeros(m,1) ;
for i = 1:m
c(i) = n-nnz(A(i,:)) ;
end
[val,idx] = sort(c) ;
A = A(idx,:) ;

More Answers (1)

Thorsten
Thorsten on 31 Mar 2017
[~, idx] = sort(sum(A == 0), 'descend')

Categories

Find more on Random Number Generation in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!