Given the discrete metric space < R", o > for n € Na the discrete metric o defined by the distance function o(x, y) = { 0 if x = y if x #y x, y ER". 1 The closed ball in the discrete metric space < R", o > is the singleton BE≤1 (a) = {a} for each point a ER" if 0 < 1, and the whole space B>1(a)= R" for > 1. Therefore the closed sets in the discrete metric space < R", o > are the emptyset Ø, all singletons {a}, and the whole space R” O True O False Rationale:

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.2: Inner Product Spaces
Problem 94E
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Given the discrete metric space < R", o > for n E Na
the discrete metric o defined by the distance function
So if
x = y
o(x, y)
x, y ER¹.
if x = y
The closed ball in the discrete metric
space R", o> is the singleton
Besi (a) = {a} for each point a ER" if
0 < 1, and the whole space
B>1 (a) = R" for ε > 1. Therefore the
closed sets in the discrete metric space
< R", o > are the emptyset Ø, all
singletons {a}, and the whole space R"
O True
O False
Rationale:
Co
=
Transcribed Image Text:Given the discrete metric space < R", o > for n E Na the discrete metric o defined by the distance function So if x = y o(x, y) x, y ER¹. if x = y The closed ball in the discrete metric space R", o> is the singleton Besi (a) = {a} for each point a ER" if 0 < 1, and the whole space B>1 (a) = R" for ε > 1. Therefore the closed sets in the discrete metric space < R", o > are the emptyset Ø, all singletons {a}, and the whole space R" O True O False Rationale: Co =
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