Digital Signal Processing and mathematics

Good tutorials that explains why LU decomposition is better than matrix inversion to solve Ax=b
https://gregorygundersen.com/blog/2020/12/09/matrix-inversion/
https://www.youtube.com/watch?v=C5yRi7EbKXM

Good introduction that covers EVD, LU, Cholesky, QR, and SVD matrix decomposition and there benefits.
https://www.youtube.com/watch?v=wHAJzemKQW4
https://www.youtube.com/watch?v=FAnNBw7d0vg

Good introduction for generic algorithms to calculate determinants:
https://www.youtube.com/watch?v=X-zEWh0e7qU&t=127s