4. Let x = [3 1 5 7 9 2 6]. For each of the following commands first think about what the result should be and then type the command and verify your answer. a. x(3) b. x(1:7) c. x(1:end) d. x(1:end-1) e. x(6:-2:1) f. x([16211]) g. sum(x)

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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4. Let x = [3 1 5 7 9 2 6]. For each of the following commands first think about what the
result should be and then type the command and verify your answer.
a. x(3)
b. x(1:7)
c. x(1:end)
d. x(1:end-1)
e. x(6:-2:1)
f. x([16211])
g. sum(x)
Transcribed Image Text:4. Let x = [3 1 5 7 9 2 6]. For each of the following commands first think about what the result should be and then type the command and verify your answer. a. x(3) b. x(1:7) c. x(1:end) d. x(1:end-1) e. x(6:-2:1) f. x([16211]) g. sum(x)
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