Jan. 7

Jan. 7 - IMPORTANT NOTE: books fefinition of reference...

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Augmented Matrices General Case: n equations, n unknowns 1) a 1 x 1 +a 2 x 2 ...... +a n x n =b 2) a 1 x 1 +a 2 x 2 ...... +a n x n =b 3) a 1 x 1 +a 2 x 2 ...... +a n x n =b . . . 4) a n x n +a n x n ...... +a n x n =b solve such systems to reduce them to nice forms by elementary row operations: row echelon form leading nonzero entry of each row occurs to left of leading numbers entries of rows below it
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Unformatted text preview: IMPORTANT NOTE: books fefinition of reference demands also that the leading entries are 1 Gauss Elimination takes any augmented mtrix to reference. If in addition we require 1. The leading nonzero entry of rows in reference are 1...
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Jan. 7 - IMPORTANT NOTE: books fefinition of reference...

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