# a7 - Explain your answer in a couple of lines 3 Problem 1...

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ASSIGNMENT 7 EE441 KUMAR Fall 2007 Due: Monday, Nov. 5 1. The nullspace of a certain (3 × 3) matrix is a plane in < 3 that passes through the origin. What is the rank of A ? 2. The (4 × 3) matrix A has rank 3. Which of the following is true of A ? (a) If a solution to Ax = b exists, then that solution is unique. (b) Ax = b always has at least one solution (c) Neither of the above two statements is necessarily true
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Unformatted text preview: Explain your answer in a couple of lines. 3. Problem 1, page 420 of the text. 4. Problem 7, page 158 of the text. 5. Problem 8, page 158 of the text. 6. Let P denote the plane in < 3 containing the vectors x = [1 1 1] t and y = [1 2 3] t . Find a vector z in P that is orthogonal to x . 7. Page 149, Problem 18 of the text. 1...
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## This note was uploaded on 06/09/2008 for the course EE 441 taught by Professor Unknown during the Fall '07 term at University of South Carolina Beaufort.

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