Which number c leads to zero in the second pivot position? A row exchange is needed and
Chapter 1, Problem 1.5.26(choose chapter or problem)
Which number c leads to zero in the second pivot position? A row exchange is needed and A = LU is not possible. Which c produces zero in the third pivot position? Then a row exchange cant help and elimination fails: A = 1 c 0 2 4 1 3 5 1
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