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%% Compare Student's _t_ and Normal Distribution pdfs % % Copyright 2015 The MathWorks, Inc. %% % Compute the pdf for a Student's _t_ distribution with parameter |nu = 5|, % and for a standard normal distribution. x = -5:0.1:5; y = tpdf(x,5); z = normpdf(x,0,1); %% % Plot the Student's _t_ and standard normal pdfs on the same figure. The % standard normal pdf (dashed line) has shorter tails than the Student's % _t_ pdf (solid line). figure; plot(x,y,'-',x,z,'-.')