eigenvectors 3 variance-analysis 2 unsupervised-learning 2 power-iteration 2 pca-implementation 2 pca 2 mnist-preprocessing 2 mnist-dataset 2 k-means-implementation-in-python 2 k-means-clustering 2 insertion-sort 2 hamming-network 2 eigenvalues-implementation 2 eigenvalues 2 covariance-matrix-implementation 2 matrix-multiplication 1 matrix-calculations 1 matrix 1 eigen 1 dotproduct 1 determinant-matrix 1 determinant-calculation 1 determinant 1 implementation-from-scratch 1 kmeans-clustering-algorithm 1 kmeans-clustering 1