H = str2num(VAsc); fBr1 = GenBrownian(50000,H); aa=diff(fBr1); cc=diff(aa); subplot(311); hyyt(fBr1,123); title(['Histograms for H=', num2str(H)]); grid; subplot(312); hyyt(aa,99); title('1st Difference - Histogram'); grid; subplot(313); hyyt(cc,99); title('2nd Difference - Histogram'); grid; % "Complex and Chaotic Nonlinear Dynamics. % Advances in Economics and Finance, % Mathematics and Statistics" % T.Vialar, Springer 2009. % Copyright(c).