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英文
where we use the fact that $U^TU = I$ because the U matrix of the singular value definition is defined to be orthonormal. This shows that if we take $z=x^TW$, we can ensure that the covariance of z is diagonal as required:
中文
其中,我们使用 $U^TU = I$,因为根据奇异值的定义矩阵 U 是正交的。这表明 z 的协方差满足对角的要求:
The text was updated successfully, but these errors were encountered:
英文148页公式5.93和中文公式5.93不一致
英文:
$$=\frac{1}{m-1}W^TX^TXW$$
中文:
$$=\frac{1}{m-1}W^TX^TX^TW$$
中文少了一句话
英文$U^TU = I$ because the U matrix of the singular value definition is defined to be orthonormal. This shows that if we take $z=x^TW$ , we can ensure that the covariance of z is diagonal as required:
where we use the fact that
中文$U^TU = I$ ,因为根据奇异值的定义矩阵 U 是正交的。这表明 z 的协方差满足对角的要求:
其中,我们使用
The text was updated successfully, but these errors were encountered: