how to change this code for search from last column to search from first column?

   [n1,m1]=size(Complete_Fill);
    for k=1:n1
      id_before=strfind(Complete_Fill(k,:),[0 1]);
      id_after=strfind(Complete_Fill(k,:),[1 0])+1;
      Complete_Fill(k,[id_before id_after])= -1;
    end
X = randi([0 1], n1,m1);  
index = (Complete_Fill(:) ~= 0);
X(index) = Complete_Fill(index)

Answer 1

[Azzi Abdelmalek]

You can use

   for k=n1:-1:1

[Firas Al-Kharabsheh]

how i do this if i want to search in the first row ?