实现主成分分析和白化

From Ufldl

Jump to: navigation, search
(Add Chinese-English glossary)
Line 39: Line 39:
  xZCAwhite = U * diag(1./sqrt(diag(S) + epsilon)) * U' * x;
  xZCAwhite = U * diag(1./sqrt(diag(S) + epsilon)) * U' * x;
 +
==中英文对照==
 +
:主成分分析                Principal Components Analysis (PCA)
 +
:白化                        whitening
 +
:均值为零                  zero-mean
 +
:均值                        mean value
 +
:特征值                      eigenvalue
 +
:特征向量                  eigenvector
 +
:对称半正定矩阵          symmetric positive semi-definite matrix
 +
:数值计算上稳定          numerically reliable
 +
:降序排列                  sorted in decreasing order
 +
:奇异值                      singular value
 +
:奇异向量                  singular vector
 +
:向量化实现                vectorized implementation
 +
:对角线                      diagonal
{{PCA}}
{{PCA}}
Line 45: Line 59:
==中文译者==
==中文译者==
-
@visualzhou(visualzhou@gmail.com),张力(emma.lzhang@gmail.com),@谭晓阳_南航
+
周思远(visualzhou@gmail.com),张力(emma.lzhang@gmail.com),@谭晓阳_南航

Revision as of 18:20, 1 April 2013

Personal tools