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matlab的rem()和mod()函数rem(x,y):求整除x/y的余数mod(x,y):求模rem(x,y)=x-y.*fix(x./y);(fix()向0取整)mod(x,y)=x-y.*floor(x./y); (floor()向左取整)如果x和y的符号相同(同为‘+’,同为‘-’),那么... 阅读全文
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A Beginner’s Guide to Eigenvectors, PCA, Covariance and EntropyContent:Linear TransformationsPrincipal Component Analysis (PCA)Covariance MatrixChange... 阅读全文
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