4256机器学习中等数值题short
PCA Whitening Coordinates 1
题目
A centered point has PC scores (2, -1) on orthonormal loadings v1=(1,0) and v2=(0,1). If the original mean is (5,7), what reconstructed point do the first two PCs produce?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。