Prove or disprove: there is an inner product on R² such that the associated norm is given by ||(x, y)|| = max{x, y} for all (x, y) = R².
Prove or disprove: there is an inner product on R² such that the associated norm is given by ||(x, y)|| = max{x, y} for all (x, y) = R².
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.1: Inner Product Spaces
Problem 12EQ
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![Prove or disprove: there is an inner product on R² such that the associated
norm is given by
||(x, y) || = max{x, y}
for all (x, y) = R².](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe15ed467-90ec-4e60-afef-3d3f6119f74d%2F4abc34ea-9327-4f52-9c9f-daa47c32a683%2Fjc5raw2_processed.png&w=3840&q=75)
Transcribed Image Text:Prove or disprove: there is an inner product on R² such that the associated
norm is given by
||(x, y) || = max{x, y}
for all (x, y) = R².
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
We need different property/condition that a norm must satisfy.
One of the condition is given by-
||v||=0 if and only if v = zero vector of R2= (0,0).
This property is known as "definiteness" of norm.
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