Coordinates elements and distance

I have this variable that represent the x,y coordinates of a points

[Image Analyst]

Francesco, are you editing away all your questions? In the last hour most of them seem to have been practically removed. You should not do this if you want people to answer you in the future.

Answer 1

[Amit]

temp = find(val>0);
cord_new = coordinate(:,temp+1);
distx = (((cord_new(1,:) - coordinate(1,1)).^2) + ((cord_new(2,:) - coordinate(2,1)).^2)).^0.5;