Episode 16d (10:28):
How $\mathbf{A}=\mathbf{Q}\mathbf{R}$ helps us solve $\mathbf{A}\vec{x}=\vec{b}$
Summary:
If we have the factorization $\mathbf{A}=\mathbf{Q}\mathbf{R}$ in a box, we can unpack $\mathbf{A}\vec{x}=\vec{b}$ in an enjoyable way. We explain how we're really solving the normal equation.
Best dined upon by 2016/20/26
Duration: 10:28