how to delete a row by selected randomly from a matrix?

• d=2;
• for i=1:10
• pop(i,:)=rand(1,d);end
• M=pop(randi(size(pop,1)),:)
• now i want to know that how to delete this M without knowing the row number and the values of the row, just to delete it by using The "M"

Answer 1

[Roger Stafford]

This depends on M being exactly equal in each of its elements to the corresponding elements of one of the rows of 'pop':

for k = 1:size(pop,1)
  if all(M==pop(k,:)
    pop(k,:) = []; % Delete the matching row of pop
    break;
  end
end

[Shahzad Ali]

Thank you so much sir, it worked.