Check out example codes for "switch matlab". It will help you in understanding the concepts better.
Code Example 1
x = [12 64 24];
plottype = 'pie3';
switch plottype
case 'bar'
bar(x)
title('Bar Graph')
case {'pie','pie3'}
pie3(x)
title('Pie Chart')
otherwise
warning('Unexpected plot type. No plot created.')
end
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