Episode 06b (7:10):
Why Triangle x Triangle = Rectangle Works


Summary:

We explain why $\mathbf{L}\mathbf{U}$ factorization works for any matrix $\mathbf{A}$ of any shape. Elimination matrices are the key, and we find why the product of their inverses is always simple.

Best dined upon by 2016/09/14

Duration: 7:10

2016/09/14

7:10

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