Articles about Eigenvalues

2 articles found

Principal Component Analysis (2D)

August 15, 2025

From centering the data to deriving Var(z) = w^T S w and solving the eigenvalue problem, this article explains PCA step-by-step using the maximum variance approach.

PCALinear AlgebraEigenvaluesEigenvectors

Eigenvalues and Eigenvectors

August 11, 2025

An intuitive introduction to eigenvalues and eigenvectors, explained with the idea of direction and length change, plus real-world applications like PCA.

Linear AlgebraEigenvaluesEigenvectorsPCA

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