HW3 - R 4 . 1 1-1-1-3 4 1-1 2-3-1 4. (Problem 1.5.13 in...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Math 3013 Homework Set 3 Problems from § 1.5 (pg. 84-85 of text): 1,3,5,7,9,11,13,16 1. (Problems 1.5.1, 1.5.3, 1.5.5 and 1.5.7 in text.) Find the inverses of the following matrices, if they exist; and express each invertible matrix as a product of elementary matrices. (a) ± 1 1 0 1 ² (b) ± 3 6 4 8 ² (c) 1 0 1 0 1 1 0 0 - 1 (d) 2 1 4 3 2 5 0 - 1 1 2. (Problem 1.5.9 in text). Find the inverse of 1 0 0 0 0 0 0 - 1 0 0 0 0 0 0 2 0 0 0 0 0 0 3 0 0 0 0 0 0 4 0 0 0 0 0 0 5 3. (Problem 1.5.11 in text). Determine whether the span of the column vectors of the given matrix is
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: R 4 . 1 1-1-1-3 4 1-1 2-3-1 4. (Problem 1.5.13 in text). Show that the following matrix is invertible and nd its inverse. A = 2-3 5-7 5. (Problem 1.5.16 in text). Let A-1 = 1 2 1 3 1 4 1 2 If possible, nd a matrix C such that AC = 1 2 1 4 1 1...
View Full Document

This homework help was uploaded on 04/22/2008 for the course MATH 3613 taught by Professor Binegar during the Spring '08 term at Oklahoma State.

Ask a homework question - tutors are online