math125-lecture 2.5

math125-lecture 2.5 - Pivoting is the procedure of choosing...

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Unformatted text preview: Pivoting is the procedure of choosing a point in a matrix, turning it into a 1, and then annihilating the entries above and below it. The chosen point / entry is referred to as "the pivot point / entry " or just " the pivot " Sec 2.5 Friday, February 05, 2010 5:02 PM Section2dot5 Page 1 Pivoting is the procedure of choosing a point in a matrix, turning it into a 1, and then annihilating the entries above and below it. The chosen point / entry is referred to as "the pivot point / entry " or just " the pivot "-2 4 -1 -5 1 -2 1 3 8 -10 4 6 R' 2 = 1/3 R 2 2.5.1 Friday, February 05, 2010 5:02 PM Section2dot5 Page 2 Pivoting is the procedure of choosing a point in a matrix, turning it into a 1, and then annihilating the entries above and below it. The chosen point / entry is referred to as "the pivot point / entry " or just " the pivot "-2 4 -1 -5 1 -2 1 3 8 -10 4 6 R' 2 = 1/3 R 2-1 2 0 -2 1 -2 1 3 8 -10 4 6 R' 1 = R 1 + R 2 2.5.2 Friday, February 05, 2010 5:02 PM Section2dot5 Page 3 Pivoting is the procedure of choosing a point in a matrix, turning it into a 1,...
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math125-lecture 2.5 - Pivoting is the procedure of choosing...

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