
Advanced Concepts on Plot Annotation and Labeling É 81
% this uses LaTeX interpreter. Note the use of
% \leftarrow for a % left arrow symbol and
% upward arrow followed by braces, for upper
% case letters.
text (1.9,0.1, ‘RC’, ‘fontsize’, 10)
% inserts a text at a selected coordinate,
text (3.8,0.1, ‘2RC’, ‘fontsize’, 10)
% first two arguments are x and y coordinates
% respectively
text (5.8,0.1, ‘3RC’, ‘fontsize’, 10)
text (7.8,0.1, ‘4RC’, ‘fontsize’, 10)
box off
% will remove the box/frame around the figure.
h3 = line ([0 R*C], [v_init 0]); % h3 is handle to
% a line, whose two end coordinates are given as arguments to
% the ‘line’ ...