clear
clc

N=1000;
P（1:6）=log（[2.3?2.5?2.8?2.89?3.2?3.3]）;

for?t=6:N-1
????temp=0;
????for?i=1:5
????????temp=temp+abs（P（t-i+1）-P（t-i））;
????end
????judge1=（1/5）*temp;
????judge2=abs（P（t）-P（t-1））;
????if?（judge1<0.0225）?&&（judge2<0.05）?
????????Xt=0.025;
????else
????????Xt=0.05;
????end
????Dt=Xt-（2/Xt）*（P（t）-P（t-1））^2;
????P（t+1）=P（t）+Dt;
end
P=P‘;
figure
plot（P）

?屬性????????????大小?????日期????時間???名稱
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?????文件????????399??2019-05-18?20:57??MATLAB實現股票價格預測?源程序代碼\gupiao.m

?????目錄??????????0??2019-05-18?20:57??MATLAB實現股票價格預測?源程序代碼

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??????????????????399????????????????????2