資源簡介
計算出序列的關聯維數d,然后利用嵌入維數m>=2d+1,選取合適的嵌入維數。
代碼片段和文件信息
function?[ln_rln_C]=G_P(dataNtaumin_mmax_mss)
%?the?function?is?used?to?calculate?correlation?dimention?with?G-P?algorithm
%?data:the?time?series
%?N:?the?length?of?the?time?series
%?tau:?the?time?delay
%?min_m:the?least?embedded?dimention?m
%?max_m:the?largest?embedded?dimention?m
%?ss:the?stepsize?of?r
%skyhawk
for?m=min_m:max_m
????Y=reconstitution(dataNmtau);%reconstitute?state?space
????M=N-(m-1)*tau;%the?number?of?points?in?state?space
????for?i=1:M-1
????????for?j=i+1:M
????????????d(ij)=max(abs(Y(:i)-Y(:j)));%calculate?the?distance?of?each?two???????????
????????end????????????????????????????????%points?i
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1296??2004-07-29?21:19??G_P.m
-----------?---------??----------?-----??----
?????????????????1296????????????????????1
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