What two elimination matrices E21 and E32 put A into upper triangular form E32E21A = U?
Chapter 1, Problem 1.5.23(choose chapter or problem)
What two elimination matrices E21 and E32 put A into upper triangular form E32E21A = U? Multiply by E 1 31 and E 1 21 to factor A into LU = E 1 21 E 1 32 U: A = 1 1 1 2 4 5 0 4 0
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