python:实现KPCA
from scipy.spatial.distance import pdist, squareform
from scipy import exp
from numpy.linalg import eigh
import numpy as np
def rbf_kernel_pca(X, gamma, n_c
from scipy.spatial.distance import pdist, squareform
from scipy import exp
from numpy.linalg import eigh
import numpy as np
def rbf_kernel_pca(X, gamma, n_c