Dimensionality Reduction, Svd, Singular Values, Matrix Factorization, Eigenvectors.
https://www.youtube.com/watch?v=UyAfmAZU_WI Determinants — https://www.youtube.com/watch?v=Ip3X9LOh2dk&t=157s EigenValues and EigenVectors — https://www.youtube.com/watch?v=PFDu9oVAE-g Matrix Multiplication — https://matrix.reshish.com/multiplication.php Test SVD —