This command adds a title to the plot. The general syntax for its use is
title('label')
or in the alternate form
title 'label'
or simply
title label
Here label
is a string variable.
Here is an example of a simple plot with a title.
--> x = linspace(-1,1); --> y = cos(2*pi*x); --> plot(x,y,'r-'); --> title('cost over time');
which results in the following plot.