tpdf.m (254B)
1 % tpdf.m -- The t-distribution pdf (from Larsen & Marx, p338ff). 2 % Use the gamma function defined in Matlab 3 % z = ordinate 4 % n = dof 5 6 function pdf=tpdf(z,n); 7 8 pdf1=gamma((n+1)/2); 9 pdf2=sqrt(n*pi)*gamma(n/2)*(1+(z.^2)/n).^((n+1)/2); 10 11 pdf=pdf1./pdf2;