must be positive on a neighborhood of that point.) Can you state a somewhat stronger result? 6. Let U C R" be open. Suppose g: U R is continuous and g(a) 0. Prove that 1/g is contin- us on some neighborhood of a. (Hint: Apply Proposition 3.5.) 7. Suppose T: R"-R" is a linear map.
must be positive on a neighborhood of that point.) Can you state a somewhat stronger result? 6. Let U C R" be open. Suppose g: U R is continuous and g(a) 0. Prove that 1/g is contin- us on some neighborhood of a. (Hint: Apply Proposition 3.5.) 7. Suppose T: R"-R" is a linear map.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.4: The Singular Value Decomposition
Problem 54EQ
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