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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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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