matlab 工具函數 —— normalize(歸一化數據)
function [Samples2]=normalize(Samples)
[M,N] = size(Samples);
Samples2 = zeros(M,N); %初始化Samples2數組(M*N)
for i=1:N
allAtr = Samples(:,i);
STD = std(allAtr); % 求標準差
MEAN = mean(allAtr); % 求均值
x = (allAtr-MEAN)/STD;
Samples2(:,i)=x;
end
end
學如逆水行舟,不進則退