I have an (x,y) matrix coordinates representing a path.
M=[2 2;2 1;1 1;3 1;3 2;3 3;2 3]
How can I transform it into matrix path beginning at the starting point (1,1) and ending at (3,1) so that:
M=[1 1;2 1;2 2;2 3;3 3;3 2;3 1]
Thank you in advance.