% This is a comment a = 1; b = 2; c = 3; sum = 0; sum = sum + a; % sum = sum + b; % this line is commented out % sum = sum + c; % so is this one
% This is a comment a = 1; b = 2; c = 3; sum = 0; sum = sum + a; %{ sum = sum + b; % this line is in the block comment sum = sum + c; % so is this one %}