08_Dimensionality Reduction_svd_Kernel_pca_make_swiss_roll_subplot2grid_IncrementalPCA_memmap_LLE
CompressingDataviaDimensionalityReduction_featureextraction_PCA_LDA_convergence_kernelPCA:https://blog.csdn.net/Linli522362242/article/details/105196037Reduction_svd((singularvalues)^2==eigenvalue