%author: Zhangsonghua %university: Changzhou university %date: 2018-05-28 %Matlab R2016a %support function %pec： https://ww2.mathworks.cn/matlabcentral/fileexchange/37289-permutation-entropy?s_tid=srchtitle %MPerm： https://ww2.mathworks.cn/matlabcentral/fileexchange/37288-multiscale-permutation-entropy--mpe-?s_tid=srchtitle %outerPlot: just a simple command: figure,plot(t, x);