Minimizing the L2-norm min-norm.pdf

Find_the_least_squares_solution_to_the_matrix_equation_or_Pseudo-inverse https://www.youtube.com/watch?v=vGowBXcur1k

Linear_Systems_of_Equations_Least_Squares_Regression_Pseudoinverse https://www.youtube.com/watch?v=PjeOmOz9jSY