A vector in Matlab has magnitude and direction is an array with only one column or one row is a table of numbers contains at most three numbers, one for each dimension.   When adding two arrays in Matlab the arrays only need to have the same number of elements the arrays must have the exact same size and shape you need to put a period in front of the plus sign both b and c are true   When combining a scalar c to an array A with a command like c + A Matlab adds the c to every element in A an error is displayed because the dimensions are different the result will be different than the command A + c

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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  • A vector in Matlab
    1. has magnitude and direction
    2. is an array with only one column or one row
    3. is a table of numbers
    4. contains at most three numbers, one for each dimension.

 

  • When adding two arrays in Matlab
    1. the arrays only need to have the same number of elements
    2. the arrays must have the exact same size and shape
    3. you need to put a period in front of the plus sign
    4. both b and c are true

 

  • When combining a scalar c to an array A with a command like c + A
    1. Matlab adds the c to every element in A
    2. an error is displayed because the dimensions are different
    3. the result will be different than the command A + c

 

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