chapter 6

Question 1

add outside of range

Answer 1

use indexing to assign values to elements out of range, the gaps in between are filled with zeros

Question 2

add outside of range example

Answer 2

electricBills(4) = 60

Question 3

empty array operator

Answer 3

[ ], can delete elements or make an empty array

Question 4

length()

Answer 4

outputs length of an array

Question 5

true or false, the following statements are equal
xNew = [ ]
xNew = 0
clear xNew

Answer 5

false

Question 6

concatenate

Answer 6

makes two arrays into one by adding on to eat send of another

Question 7

concatenate example

Answer 7

arrayNew = [array1, array2]

Question 8

end

Answer 8

keyword for last element in array

Question 9

string scalar

Answer 9

text placed between “ “, singular phrase

Question 10

string array

Answer 10

array of text, composed of multiple elements

Question 11

” “

Answer 11

empty placeholder for text

Question 12

string(inputArray)

Answer 12

converts inputArray to a string array

Question 13

strlength(input)

Answer 13

returns number of characters in each element of input

Question 14

strings(n,m)

Answer 14

returns array of strings with no character of specified size

Question 15

test(:, #)

Answer 15

extracts specific column, flip for row

Question 16

character vector

Answer 16

series of characters in ‘ ‘

Question 17

char(input)

Answer 17

converts input (string scalar or numeric array) into a character vector

Question 18

scalar size

Answer 18

read as 1 x 1

Question 19

nthRoot([array], 5)

Answer 19

takes the fifth root of each element in array