Title over group of subplots

Question

there are many subplots and each subplot has its own title. how can add a title over all of these group of subplots? I want this title to be shown at top center.

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Answer 1

Since Matlab 2018b, the new function sgtitle adds a title to a subplot group, simply add sgtitle('Subplot Title');. It doesn't need a toolbox.

For example:

subplot(1,2,1)
plot(cos(0:40));
title('cos');

subplot(1,2,2)
plot(sin(0:40))
title('sin');

sgtitle('Trigo');