legend

Update legend text of axes. Turn on/off the legend of axes. Toggle the states if no argument is used.

Syntax

legend()

legend('on')

legend('off')

legend(str1, str2, ...)

legend(str-cell)

legend(h-vector, str-cell)

on/off: Determines whether legend is set to on or off.; Type: string; Dimension: scalar
str1, str2: Legend text. str1 is the text for the first curve, str2 is the text for the second curve, etc.; Type: string; Dimension: scalar
str-cell: Legend text in a cell array.; Type: cell
h-vector: Handles of the curves which show legends.; Type: vector

Simple legend example.

clf;
plot(rand(1, 10));
legend('on');
legend('legend text');

Add legends for selected curves.

clf;
hold on;
h1 = plot(rand(10,1),'--o');
h2 = plot(rand(10,1),'-s');
h3 = plot(rand(10,1),'r^');
legend([h2,h3],{'curve2','curve3'});