Easy but important. If A has pivots 5, 9, 3 with no row exchanges, what are the pivots
Chapter 2, Problem 23(choose chapter or problem)
Easy but important. If A has pivots 5, 9, 3 with no row exchanges, what are the pivots for the upper left 2 by 2 submatrix A2 (without row 3 and column 3)?
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