Labels and Annotations

Add titles, axis labels, informative text, and other graph annotations

Add a title, label the axes, or add annotations to a graph to help convey important information. You can create a legend to label plotted data series or add descriptive text next to data points. Also, you can create annotations such as rectangles, ellipses, arrows, vertical lines, or horizontal lines that highlight specific areas of data.

Functions

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Labels

`title`	Add title
`subtitle`	Add subtitle to plot (Since R2020b)
`sgtitle`	Add title to grid of plots
`xlabel`	Label x-axis
`ylabel`	Label y-axis
`zlabel`	Label z-axis
`fontname`	Change font name for objects in a figure (Since R2022a)
`fontsize`	Change font size for objects in a figure (Since R2022a)
`legend`	Add legend to axes
`bubblelegend`	Create legend for bubble chart (Since R2020b)

Annotations

`text`	Add text descriptions to data points
`gtext`	Add text to figure using mouse
`xline`	Vertical line with constant x-value
`yline`	Horizontal line with constant y-value
`xregion`	1-D filled region between x-coordinates (Since R2023a)
`yregion`	1-D filled region between y-coordinates (Since R2023a)
`constantplane`	Infinite plane in 3-D coordinates (Since R2024b)
`annotation`	Create annotations
`datatip`	Create data tip
`line`	Create primitive line
`rectangle`	Create rectangle with sharp or curved corners
`texlabel`	Format text with TeX characters
`ginput`	Identify axes coordinates

Properties

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Labels

Text Properties	Axes text appearance and behavior
Text Properties	Text appearance and behavior for grid of plots
Text Properties	Tiled chart layout text appearance and behavior
Legend Properties	Legend appearance and behavior
BubbleLegend Properties	Bubble legend appearance and behavior (Since R2020b)

Annotations

ConstantLine Properties	Constant line appearance and behavior
ConstantRegion Properties	Constant region appearance and behavior (Since R2023a)
ConstantPlane Properties	Constant plane appearance and behavior (Since R2024b)
Arrow Properties	Arrow appearance and behavior
DoubleEndArrow Properties	Double end arrow appearance and behavior
Ellipse Properties	Ellipse appearance and behavior
Line Properties	Annotation line appearance and behavior
Rectangle Properties	Annotation rectangle appearance and behavior
TextArrow Properties	Text arrow appearance and behavior
TextBox Properties	Text box appearance and behavior
Line Properties	Primitive line appearance and behavior
Rectangle Properties	Rectangle appearance and behavior

Topics

Add Title and Axis Labels to Chart
This example shows how to add a title and axis labels to a chart by using the title, xlabel, and ylabel functions.
Make the Graph Title Smaller
Modify the font size and length of graph titles.
Add Legend to Graph
Label data series using a legend and customize the legend appearance such as changing the location, setting the font size, or using multiple columns.
Add Text to Chart
This example shows how to add text to a chart, control the text position and size, and create multiline text.
Greek Letters and Special Characters in Chart Text
You can add text to a chart that includes Greek letters and special characters using TeX markup.
Add Annotations to Chart
Annotations are extra information added to a chart to help identify important information.