From the start

Question 1

what is a scalar?

Answer 1

a single number

Question 2

what is a vector?

Answer 2

a collection of 2 or more numbers in a row or column

Question 3

what is another name for a vector?

Answer 3

array

Question 4

How do I acces vectors?

Answer 4

Using an index e.g: y(3)

accessing third entry in vector y

Question 5

y(1:3)?

Answer 5

index is a vector, accessing entries 1-3 in vector y

Question 6

how do we create a row vector?

Answer 6

scalars in vector are separated by spaces when defined

e.g. [1 2 3 4 5]

Question 7

how do we create a column vector ?

Answer 7

scalars in vector are separated by semicolons when created

e.g. [1;2;3;4;5]

Question 8

how many types of vectors are there?

Answer 8

2 (row and column)

Question 9

how do I convert between row and column vectors?

Answer 9

using a ‘tick’ ‘

e.g. z’

Question 10

How do I create equally spaced vectors?

Answer 10

by defining start value: step size: end value

Question 11

How do I create equally spaced vectors?

Answer 11

by defining start value: step size: end value

e.g. x=0: 2: 10

Question 12

what is the requirement for vector-vector maths?

Answer 12

both vectors must have same length

Question 13

what is a script?

Answer 13

scripts are a collection of matlab commands stored in a.m file

Question 14

how do you execute a script?

Answer 14

simply type the name of the script in the command window and press ‘enter’

Question 15

How do I edit a script?

Answer 15

type ‘edit scriptname.m’ (‘scriptname is the name of my script”)

Question 16

what is the plot(x,y) command?

Answer 16

creates a plot of the variables x and y ( 1st plot argument is x-axis, 2nd plot argument is the y-axis)

Question 17

what is the hold on command?

Answer 17

lets you plot multiple graphs on the same x and y axes

Question 18

legend(‘blabla’)

Answer 18

lets you label the legend of the graph

Question 19

title(‘nana’)

Answer 19

lets you chose a titlefor your graph