Chapter 1.4 ElementaryMatrices

Therefore a1 er er 1 e1 er er 1 e1 in this means

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Unformatted text preview: = Er Er −1 · · E1 = Er Er −1 · · · E1 In . This means that A−1 is be obtained by applying the sequence of elementary row operations defined by E1 , E2 , . . . , En to In . Outline Elementary Matrix Inverse of an Elementary Matrix Examples Example Determine whether or not the matrix 122 A= 1 3 1 123 is invertible. If it is, find A−1 . The Inverse of a Matrix...
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This note was uploaded on 02/10/2014 for the course MATH 2270 taught by Professor Kenyonj.platt during the Spring '14 term at Snow College.

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