www.gusucode.com > graphics 案例源码程序 matlab代码 > graphics/LabelPointOnGraphExample.m
%% Add Text Description to Data Point % Plot a sine curve. At the point $(\pi,0)$, add the text description % $\sin(\pi)$. Use the TeX markup |\pi| for the Greek letter $\pi$. Use % |\leftarrow| to display a left-pointing arrow. % Copyright 2015 The MathWorks, Inc. x = 0:pi/20:2*pi; y = sin(x); plot(x,y) text(pi,0,'\leftarrow sin(\pi)') %% % For a list of Greek characters and other TeX markup, see the |Interpreter| % property description.