how can i plot this point??????!!!!!

heyy i have a matrix of two rows(net(2,:)is the absis x and net(3,:) the absis y) i want to plot the point corespondance of this matrix but i eliminate the point whos have (0,0)for exemple

M=[1 2 3 4, 2 3 0 4, 5 6 0 9]

WHN I PLOT I WANT HAVE 3 POINT (2,5)(3,6)(4,9) AND ELIMINATE THE POINT (O,O) and generated in new matrix

M=[1 2 4, 2 3 4,5 6 9]

Answer 1

[the cyclist]

M = [1 2 3 4;
     2 3 0 4;
     5 6 0 9];

indexToRemove = M(2,:)==0 & M(3,:)==0;

M(:,indexToRemove) = [];