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)

Inputs

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

Example

Simple legend example.

clf;
plot(rand(1, 10));
legend('on');
legend('legend text');
Figure 1. Legend Example 1

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'});
Figure 2. Legend Example 2