(A) If the matrix A = [3 5 7; 10 11 12; 2 4 6; 13 14 15], find (5 only) 1. A([2 3],[21]) 2. A (3,:) 3. A(:,2)=[] 4. C = A([2 1 4 3],:) 5. A' 6. Size(A)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Q5:
(A) If the matrix A = [3 5 7; 10 11 12; 2 4 6; 13 14 15], find (5 only)
1. A([2 3],[2 1])
2. A (3,:)
3. A(:,2)=[]
4. C = A([2 1 4 3],:)
5. A'
6. Size(A)
(B) What are the differences between M-file script and M-file function?
Transcribed Image Text:Q5: (A) If the matrix A = [3 5 7; 10 11 12; 2 4 6; 13 14 15], find (5 only) 1. A([2 3],[2 1]) 2. A (3,:) 3. A(:,2)=[] 4. C = A([2 1 4 3],:) 5. A' 6. Size(A) (B) What are the differences between M-file script and M-file function?
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