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Unformatted text preview: 2. Section 1.3: (a) Know how to perform matrix-vector and matrix matrix multiplication. (b) Read carefully on the proof of Theorem 1.3.1. Pay attention to the choice of the indices. (c) Be ware of the fact that AB 6 = BA in general. Find an example and keep it in mind. (d) Read Application 1, 2. Skip Application 3, 4, 5. 3. Section 1.4: (a) Know how to nd the inverse of an elementary matrix. (b) Know the exact correspondence between an elementary matrix and an elementary row (column) operation. (c) Read Theorem 1.4.2 (equivalent conditions for non-singularity) and study its proof. (d) Know how to perform LU factorization and its relation with Gauss elimination. 4. Section 1.5: (a) Understand and remember the meaning of a ( i, :). (b) Know how to express AB in terms of A b j and a ( i, :) B (page 73). (c) Know how to express AB in terms of sub-blocks of A and B . 1...
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This note was uploaded on 04/18/2010 for the course FINANCE 1231854365 taught by Professor Wuyiling during the Spring '10 term at Nashville State Community College.
- Spring '10