Suppose that R³ is given the norm ||(x, y, z) || = |x|+|y| + |2| and let S = {(x, y, z) = R³: 2x + y - 3z = 0}. Define a functional f on S by f(x, y, z) = x - z. (b) Determine ||f||.
Suppose that R³ is given the norm ||(x, y, z) || = |x|+|y| + |2| and let S = {(x, y, z) = R³: 2x + y - 3z = 0}. Define a functional f on S by f(x, y, z) = x - z. (b) Determine ||f||.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
![Suppose that R³ is given the norm ||(x, y, z) || = |x|+|y| + |2| and let
S = {(x, y, z) = R³: 2x + y - 3z = 0}.
Define a functional f on S by f(x, y, z) = x - z.
(b) Determine ||f||.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F904caeb1-cd31-4dcf-9af8-09f5b2d51865%2F68d97837-c402-4cd9-9a3f-62e5bbcdbcb6%2Fzwf00k4h_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Suppose that R³ is given the norm ||(x, y, z) || = |x|+|y| + |2| and let
S = {(x, y, z) = R³: 2x + y - 3z = 0}.
Define a functional f on S by f(x, y, z) = x - z.
(b) Determine ||f||.
Expert Solution
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Step 1: Introduction
Given that
The given set is
Now define a linear functional
We need to find
We know that the norm of a functional
Step by step
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