Follow the 3 by 3 text example but with plus signs in A. Eliminate above and below the
Chapter 1, Problem 1.6.36(choose chapter or problem)
Follow the 3 by 3 text example but with plus signs in A. Eliminate above and below the pivots to reduce [A I] to [I A1 ]: h A I i = 2 1 0 1 0 0 1 2 1 0 1 0 0 1 2 0 0 1
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