Question 13 Consider a distance metric d(). Which case is impossible? ○ d(a,b)=5, d(c,b) = 10, d(c,a)=12 ○ d(b,c)=1, d(c,a)=7, d(a,b)=6 d(a,b)=3, d(c,b) = 40, d(c,a)=8 1. d(a,b)=3, d(c,a) = 12, d(c,b) = 8 这道题错了 应该选D 他C选项写错了,后来改题目了,改成
Question 13 Consider a distance metric d(). Which case is impossible? ○ d(a,b)=5, d(c,b) = 10, d(c,a)=12 ○ d(b,c)=1, d(c,a)=7, d(a,b)=6 d(a,b)=3, d(c,b) = 40, d(c,a)=8 1. d(a,b)=3, d(c,a) = 12, d(c,b) = 8 这道题错了 应该选D 他C选项写错了,后来改题目了,改成
Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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![Question 13
Consider a distance metric d(). Which case is impossible?
d(a,b)=5, d(c,b) = 10, d(c,a)=12
d(b,c)=1, d(c,a)=7, d(a,b)=6
d(a,b)=3, d(c,b) = 40, d(c,a)=8
1. d(a,b)=3, d(c,a) = 12, d(c,b) = 8
这道题错了 应该选D
他C选项写错了,后来改题目了,改成3, 11, 8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fddfe5df7-9b30-4fcf-8c2e-d124b3eb750e%2Fd89237b4-e905-489b-ba55-41acd76a069a%2F1vsxqql_processed.png&w=3840&q=75)
Transcribed Image Text:Question 13
Consider a distance metric d(). Which case is impossible?
d(a,b)=5, d(c,b) = 10, d(c,a)=12
d(b,c)=1, d(c,a)=7, d(a,b)=6
d(a,b)=3, d(c,b) = 40, d(c,a)=8
1. d(a,b)=3, d(c,a) = 12, d(c,b) = 8
这道题错了 应该选D
他C选项写错了,后来改题目了,改成3, 11, 8
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