CHAPTER 2: CREATING ARRAYS

Question 1

What is an Array?

Answer 1

A fundamental form of MATLAB/OCTAVE uses to store and manipulate data.
Arranged in rows AND/OR columns

Question 2

What is a one-dimensional array?

Answer 2

A row OR a column of numbers

Question 3

What is a two-dimensional array?

Answer 3

Collection of numbers arranged in rows AND columns

Question 4

What does one-dimensional array represent?

Answer 4

Vectors

Question 5

What does two-dimensional array represent?

Answer 5

Matrices

Question 6

How to create a row vector?

Answer 6

type elements with a space or comma in between (inside a bracket)

Question 7

How to create a column vector?

Answer 7

type elements with a semicoln in between them

Question 8

Purpose of linspace command

Answer 8

For creating a vector with linear (equal) spacing by specifying the first term, the spacing, and
the last term

Question 9

Purpose of zeros (m,n) and ones (m,n) command

Answer 9

creates matrix with m rows and n columns in which all elements are 0 and 1, respectively

Question 10

eye (n)

Answer 10

creates square matrix in which DIAGONAL elements are equal to 1 and the rest of elements are 0

Question 11

What is a scalar

Answer 11

an array with one element

Question 12

What is a transpose operator?

Answer 12

Switches a row (column) vector to a column (row) vector
Just type a quote “ ‘ “

Question 13

Purpose of array addressing

Answer 13

Useful when there is a need to redefine only some of the elements