ii=1:123;
plot(91:123,MAX*(x(91:123)+MEAN),'s-',91:123,MAX*(svm(91:end)+MEAN),'o--',91:123,MAX*(ep(91:123)+MEAN),'d:')
grid on
legend('original data','svm one step forecasting','AR one step forecasting')
xlabel('times');
ylabel('compositive parameter')
hold off
figure(2)
plot(91:123,MAX*(x(91:123)+MEAN),'s-',91:123,MAX*(svm3(91:end)+MEAN),'o--',91:123,MAX*(ep4(91:123)+MEAN),'d:')
grid on
legend('original data','svm four step forecasting','AR four step forecasting')
xlabel('times');
ylabel('compositive parameter')
hold off


error1=MAX*(-x(91:end)+svm2(91:end)')./(MAX*(x(91:123)+MEAN))
max(error1)
error1_AR=MAX*(-x(91:end)+ep4(91:end)')./(MAX*(x(91:123)+MEAN))
max(error1_AR)