WK 4

Question 1

Label the:
Output argument
Function body
Function name
Input argument

Answer 1

Question 2

Difference between function and scripts

Answer 2

Function commands don’t change the workplace, but script does

Question 3

What do matrices need in MATLAB?

Answer 3

Square brackets

Question 4

What would be the output?

Answer 4

Question 5

What is X and Y?

Answer 5

Question 6

What do commas and semi-colons do in matrices/vectors?

Answer 6

Commas/ spaces separate columns

semi-colons separate rows

Question 7

What would be the input?

Answer 7

Question 8

What would be the output?

Answer 8

Question 9

What would be the input?

Answer 9

Question 10

what is d = a(1,3);

Answer 10

(b,c)
where
b = position of row
c = position of column

Get value in first row, third column
Therefore d= 6

Question 11

What is a(1,3) = 60;

Answer 11

Set value at first row and third column to 60

Question 12

What is the output?

Answer 12

3 = rows
2 = columns

Question 13

What is the output?

Answer 13

Question 14

What is the output?

Answer 14

Question 15

What do colons do?

Answer 15

creates loops similar to for-loops

Question 16

What is the output?

Answer 16

Question 17

Give the vector position definitions

Answer 17

Question 18

What is the output?

Answer 18

Question 19

What is the output?

Answer 19

Question 20

What would this create?

Answer 20

1) 3 rows, 4 columns of zeroes

2) change values to 7, 8

3) change values to 5

Question 21

Q1

Answer 21

Get values of 2nd to 4th row and 2nd column

Question 22

Q2

Answer 22

Get values of 1st to 3rd row and all columns

Question 23

Q4

Answer 23

Set values of 1st to 3rd row and 2nd column

Question 24

What is
C = [a,b]
D = [a;b]

Answer 24

Question 25

What is b’s output?

Answer 25