Answers for "adding legend in matlab plot"

legend in MATLAB

x = [0 : 0.01: 10];
y = sin(x);
g = cos(x);
plot(x, y, x, g, '.-'), legend('Sin(x)', 'Cos(x)')

add manual legend matlab

h1=plot([1:10],'Color','r','DisplayName','This one');hold on;
h2=plot([1:2:10],'Color','b','DisplayName','This two');
h3=plot([1:3:10],'Color','k','DisplayName','This three');
legend([h1 h3],{'Legend 1','Legend 3'})