www.gusucode.com > graphics 案例源码程序 matlab代码 > graphics/ChangeLegendFontSizeAndColorExample.m

    %% Modify Existing Legend
% Plot a line chart and a stem chart. Add a legend to the axes and assign
% the legend object to the variable |lgd|. Then, use |lgd| to modify
% properties of the legend after it is created.

x = linspace(-3,3,25);
y1 = sin(x);
plot(x,y1,'DisplayName','sin(x)')

hold on
y2 = cos(x);
stem(x,y2,'DisplayName','cos(x)')
hold off

lgd = legend('show');
lgd.FontSize = 12;
lgd.TextColor = 'blue';