Linear Algebra, Eigenvectors, Python, Dimensionality Reduction, Matrix Factorization.
that takes vectors in a space V and outputs vectors in that same space V, and you have some vector v that is not the zero vector, then v is an eigenvector of T if T(v) is just a scalar multiple of v. A scalar is just a regular number, like 7 or -2.3. So if T(v) = 3v, then 3 would be the eigenvalue