Add subtitle to the plot?

Adding subtitle to the plot but I have error?

can anyone tell me why this msg apperaed

[Lee]

yes thanks , but also when I corrected the graph appeared without subtitle

so what can I do

[Rochelle]

Try the function subtitle() instead.

Answer 1

[Adam Danz]

If you're using MATLAB R2020b or later, use the subtitle function.

If you're using MATLAB prior to that release, you could add a second row to your title using

title({'main','secondary'})

Your error message mentioned "suptitle" suptitle used to be a function in the Bioinformatics Toolbox. It created a super-title over a group of subplot. That can be acheived using in modern Matlab by adding the title to a TiledChartLayout object. Also see example in the documentation.

figure()
tcl = tiledlayout('flow');
nexttile; nexttile; nexttile; nexttile;
title(tcl, 'Super title')

[Lee]

thanks dear, but how can I use TiledLayout.

[Adam Danz]

My answer shows an example. Are you having a specific problem with TiledLayout?

[Lee]

no but I didnt know what it is, I am new in MATLAB

[Adam Danz]

Oh, I see.

Start here in the documentation: tiledlayout

I also recommend doing the Matlab Onramp to get you started in Matlab.

Here's an example with comments. Run each line individually to understand the process.

figure;                     % creates a new figure

tcl = tiledlayout(2,3);     % Specifies a 2x3 grid of tiles
nexttile                    % Creates the first
plot(rand(1,20))            % plots random values in first tile

nexttile                    % creates the second tile
plot(rand(1,20))             % plots random values.

nexttile                    
plot(rand(1,20)) 

nexttile                    
plot(rand(1,20)) 

nexttile                    
plot(rand(1,20)) 

nexttile                    
plot(rand(1,20)) 

title(tcl, 'My Super Tile')  % assigns the title to the entire tiledChartLayout object

[Lee]

Oh my dear , I really appreciate that.

Big thanks