askvity

How Do You Add a Title to a Plot in MATLAB?

Published in MATLAB Plotting 3 mins read

To add a title and subtitle to a plot in MATLAB based on the provided reference, you utilize the title function with two character vectors.

Adding a Title and Subtitle Using the title Function

As described in the reference, one way to add text above your plot, serving as both a main title and a subtitle, is by calling the title function with two character vector arguments.

Here’s how the process works according to the reference:

  1. Create Your Plot: First, ensure you have an active plot window with data displayed.
  2. Call the title function: Use the title function after creating your plot.
  3. Provide Two Character Vectors: The first character vector you provide becomes the main title line, and the second character vector appears as a subtitle below it.
  4. Customize Appearance: You can use optional arguments to modify the appearance of the title and subtitle. The reference specifically mentions using the 'Color' name-value pair argument. Using 'Color' allows you to set the color for both the title and the subtitle text.
  5. Capture Text Objects: To gain more control over the title and subtitle text elements individually (for later modification, for instance), you can specify two output arguments when calling title. These arguments will store the text objects representing the title and subtitle.

Example Syntax Based on Reference

% Assume x and y data exist and a plot has been created like:
% plot(x, y);

% Add a title and subtitle, specifying color and getting text objects
[titleObj, subtitleObj] = title('Main Plot Title', 'Plot Subtitle', 'Color', 'blue');

% Now you can potentially modify titleObj or subtitleObj further
% For example, change the subtitle font size:
% subtitleObj.FontSize = 10;

In this example, 'Main Plot Title' is the first character vector (the title), and 'Plot Subtitle' is the second (the subtitle). The 'Color', 'blue' pair sets the text color for both. titleObj and subtitleObj are the return arguments storing the text objects.

Key Aspects from the Reference

  • Utilize the title function.
  • Pass two character vectors to create both a title and a subtitle.
  • Use the 'Color' name-value pair to customize the color of the title and subtitle text.
  • Optionally, specify two return arguments to obtain handles to the text objects for the title and subtitle.

This method, as outlined in the reference, provides a straightforward way to add hierarchical text (title and subtitle) above your MATLAB plot, with basic customization options like color.

Related Articles