跪求各位大神帮帮忙

clc
clear all;
close all;

X=load('X1.txt');
X=price2ret(X);
T = length(X);
ToEs***** = arima(2,0,2);%指定模型的结构
[Es*****,EstParamCov,LogL,info] = estimate(ToEs*****,X);%模型拟合

e=resid(Es*****,X);