% Use the 'text' function. % Example: % Create random data m1 = rand(10,2); m2 = rand(10,2); % Calculate label displacement lbl_dwn = .03*max([m1(:,2) m2(:,2)]); % Plot data f = figure; hold on plot(m1(:,1), m1(:,2), 'b.-') plot(m2(:,1), m2(:,2), 'g.-') % Create an array of sequence numbers (you can use other tags) s = size(m1); sequence = 1:s(1); sequence = num2cell(sequence); data_labels = cellfun(@num2str, sequence, 'UniformOutput', false); % Display text text(m1(:,1), m1(:,2)+lbl_dwn(1), data_labels,... 'Color', 'b',... 'HorizontalAlignment', 'Left') text(m2(:,1), m2(:,2)+lbl_dwn(2), data_labels,... 'Color', 'g',... 'HorizontalAlignment', 'Left')