Problem 1: Consider the following two square matrices A=[2345], B=[5−32−6] Find A + B and A-2B Find the products AB and BA. Is AB = BA, why or why not? Is A a singular matrix, why or why not?
Problem 1: Consider the following two square matrices A=[2345], B=[5−32−6] Find A + B and A-2B Find the products AB and BA. Is AB = BA, why or why not? Is A a singular matrix, why or why not?
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter5: Orthogonality
Section5.3: The Gram-schmidt Process And The Qr Factorization
Problem 8AEXP
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Problem 1: Consider the following two square matrices
A=[2345], B=[5−32−6]
- Find A + B and A-2B
- Find the products AB and BA. Is AB = BA, why or why not?
- Is A a singular matrix, why or why not?
Problem 2: Find the determinant of A, that is |A|, if
A=⎡⎢⎣230−15−3042⎤⎥⎦
Problem 3: Find the determinant of AT, that is |AT|, using Matrix A defined in problem 2 above
Problem 4: Find the inverse of a 2 X 2 matrix B defined in problem 1 above
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