Consider an n x m matrix A with rank (A) = m. Is it always possible to write A asA =
Chapter 5, Problem 45(choose chapter or problem)
Consider an n x m matrix A with rank (A) = m. Is it always possible to write A asA = QL,where Q is an n x m matrix with orthonormal columnsj and L is a lower triangular m x m matrix with positive diagonal entries? Explain.
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