Eigenvectors, Principal Component, Dimensionality Reduction, Data Science, Unsupervised Learning.
λIv Which can be written as, Av- λIv=0 ( A- λI)v=0 when the vector v is non zero we can calculate λ with the help of determinant | A- λI|=0 Solving the above expression will give us a quadratic expression from which we will be able to determine the Eigenvalues. With the help of the Eigenvalues, we