MATLAB Exam prep

What is the symbol for division?

• \

• /

• %

• ^

x = 2;

if x > 2

y = 2*x;

elseif x < 2

y = 3*x;

else

y = 6*x;

end

What is y?

• 2

• 4

• 6

• 12

vec = [1 6 20 3 2];

[m, n] = max(vec);

What is the value of n?

• 5

• 20

• 3

• 2

What is the result of

mod(25,6)?

(a)  

x = [1 0 0]; y = [0 1 0];

new = 3*sum(x|y)

What is the value of new?

(a)  

for index = 1:2:10

v = index*3;

end

How many iterations of the loop will

this code perform?

• 3

• 5

• 6

• 12

sum([1; 5; 3; 3; 7])

• 5

• 7

• 19

• 5

x = [1 0 0 1 1]; y = [0 0 0 1 1];

x&y

How many zeros in the resulting

vector?

(a)  

a = [2; 5; 3; 6; 4];

What is the result of a(3)?

(a)  

function apples = countapples(people, hours)

How many return values from the above function?

• 0

• 1

• 2

• 3