主成分分析的matlab代碼

clc; clear all; A=xlsread('C:\Users\d e l l\Documents\MATLAB\problem four\problem two two.xls','C34:AF61'); a=size(A,1); b=size(A,2); for i=1:b SA(:,i)=(A(:,i)-mean(A(:,i)))/std(A(:,i));%%%標準化處理 e

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