Machine Learning, Linear Algebra, Eigenvectors, Eigenvalue, Mathematics.
Some references are mentioned below for those who want to explore more. http://faculty.neu.edu.cn/yury/AAI/Textbook/DeepLearningBook.pdf https://en.wikipedia.org/wiki/Eigendecomposition_of_a_matrix https://medium.com/@aptrishu/understanding-principle-component-analysis-e32be0253ef0 Happy Machine