Free Printable Test final exam MATLAB 2023

1.

Laplace\ transform\ of\ e^{3t}-\frac{1}{2}

a)

$\frac{1}{s+3}-\frac{1}{2s}$

b)

$\frac{1}{s-3}-\frac{2}{s}$

c)

$\frac{1}{s-3}-\frac{1}{2s}$

d)

$\frac{1}{2\left(s-3\right)}$

2.

L\left[e^{-2t}\sin3t\right]

a)

$L\left[\sin3t\right],\ s\rightarrow s+2$

b)

$L\left[\sin3t\right],\ s\rightarrow s-2$

3.

f\left(t\right)=te^{-2t}

a)

b)

c)

d)

4.

L\left[e^{5t}\cos3t\right]

a)

b)

c)

d)

5.

Define this property: $L\left(f\left(t\right)e^{at}\right)=F\left(s-a\right)$

a)

Linearity Property

b)

First Shifting Property

c)

Convolution Theorem

d)

Second Shifting Property

6.

$L\left(e^{2t\ }\sin\ t\right)$ What is $a$ and f(t)?

a)

$a=2,\ f\left(t\right)=e^{2t}$

b)

$a=4,\ f\left(t\right)=\cos\ t$

c)

$a=2,\ f\left(t\right)=\sin\ t$

7.

Find $L\left(e^{3t}\left(t^3-3t^2+5t\right)\right)$

a)

$\frac{2}{\left(s-3\right)^4}-\left(\frac{3}{\left(\left(s-3\right)^3\right)}\right)+\frac{5}{\left(s-3\right)^2}$

b)

$\frac{6}{\left(s-3\right)^4}-\left(\frac{6}{\left(s-3\right)^3}\right)+\frac{5}{\left(s-3\right)^2}$

c)

$\frac{2}{\left(s-3\right)^3}-\left(\frac{3}{\left(s-3\right)^{\left(2\right)}}\right)+\frac{5}{s-3}$

8.

$L\left(t\ \cos\ 6t\right)$ Which Laplace property is use to solve this?

a)

Linearity Property

b)

Derivative of Laplace Transform

c)

First Shifting Property

d)

Second Shifting Property

9.

$L\left(t\ \sin\ 4t\right)$ What is n, f(t) and L[f(t)]?

a)

$n=1,\ f\left(t\right)=\sin\ 4t,\ F\left(s\right)=\frac{4}{s^2+16}$

b)

$n=4,\ f\left(t\right)=t,\ F\left(s\right)=\frac{4}{s^2+16}$

c)

$n=1,\ f\left(t\right)=\cos\ 6t,\ F\left(s\right)=\frac{s}{s^2+14}$

10.

What is the formula for Laplace First Order Derivative?

a)

$ℒ\left(𝑓′(𝑡)\right)=𝑠𝐹(𝑠)−𝑓(0)$

b)

$ℒ\left(𝑓"(𝑡)\right)=𝑠^2𝐹(𝑠)−𝑠𝑓\left(0\right)−𝑓′\left(0\right)$

c)

$ℒ\left(𝑓′(𝑡)\right)=𝑠^2𝐹(𝑠)−𝑓(0)$

11.

What is the formula for Laplace Second Order Derivative?

a)

$ℒ\left(𝑓′(𝑡)\right)=𝑠𝐹(𝑠)−𝑓(0)$

b)

$ℒ\left(𝑓"(𝑡)\right)=𝑠^2𝐹(𝑠)−𝑠𝑓\left(0\right)−𝑓′\left(0\right)$

c)

$ℒ\left(𝑓"(𝑡)\right)=𝑠^2𝐹(𝑠)−𝑓(0)$

12.

Given $g\left(t\right)=e^{5t}f\left(t\right)$ , what is G(s)?

a)

$G\left(s\right)=F\left(s-5\right)$

b)

$G\left(s\right)=\left(-1\right)^5\frac{\text{d}^5F\left(s\right)}{\text{d}s^5}$

c)

$G\left(s\right)=F\left(s+5\right)$

d)

$G\left(s\right)=\left(-1\right)^4\frac{\text{d}^4F\left(s\right)}{\text{d}s^4}$

13.

Given $g\left(t\right)=t^3f\left(t\right)$ , what is G(s)?

a)

$G\left(s\right)=F\left(s-3\right)$

b)

$G\left(s\right)=\left(-1\right)^3\frac{\text{d}^3F\left(s\right)}{\text{d}s^3}$

c)

$G\left(s\right)=F\left(s+3\right)$

d)

$G\left(s\right)=\left(-1\right)^2\frac{\text{d}^2F\left(s\right)}{\text{d}s^2}$

14.

f(t)=sinh 4t, F(s)=?

a)

$\frac{a}{s^2-a^2}$

b)

$\frac{a}{s^2+a^2}$

c)

$\frac{4}{s^2-16}$

d)

$\frac{4}{s^2+16}$

15.

Given $g\left(t\right)=\frac{f\left(t\right)}{t}$ , what is G(s)?

a)

$G\left(s\right)=\int_s^{\infty}F\left(u\right)du$

b)

$G\left(s\right)=\left(-1\right)\frac{\text{d}F\left(s\right)}{\text{d}s}$

c)

$G\left(s\right)=\int_{\infty}^sF\left(u\right)du$

d)

$G\left(s\right)=^{\left(-1\right)^{-1}}\frac{\text{d}F\left(s\right)}{\text{d}s}$

16.

Given $g\left(t\right)=e^{7t}\ \ \cosh2t$ . Which function is selected to be transformed into s-domain first?

a)

$\cosh2t$

b)

$e^{7t}$

17.

Given $g\left(t\right)=t^2\ \ \cos3t$ . Which function is selected to be transformed into s-domain first?

a)

$\cos3t$

b)

$t^2$

18.

Find: $L\left\{e^{2t}\right\}$

a)

$\frac{\text{2}}{\text{s+2}}$

b)

$\frac{1}{s-2}$

c)

$\frac{1}{s+2}$

d)

$\frac{1}{s-1}$

19.

$L\left\{5\right\}$

Find:

a)

$\frac{1}{5s}$

b)

$5s$

c)

$\frac{5}{s}$

d)

$\frac{s}{5}$

20.

Find: $L\left\{\sin3t\right\}$

a)

$\frac{1}{s+3}$

b)

$\frac{1}{s^2-9}$

c)

$\frac{3}{s^2+9}$

d)

$\frac{3}{s^2-9}$

21.

Find: $L\left\{2t\right\}$

a)

$\frac{2}{s^2}$

b)

$\frac{1}{s^2}$

c)

$\frac{1}{2s^2}$

d)

$\frac{s^2}{2}$

22.

Find: $L\left\{e^{-5t}\right\}$

a)

$\frac{1}{s-5}$

b)

$\frac{5}{s+1}$

c)

$\frac{5}{s-1}$

d)

$\frac{1}{s+5}$

23.

Find: $L\left\{e^{3t}t\right\}$

a)

$\frac{1}{s^3}$

b)

$\frac{1}{\left(s-3\right)^2}$

c)

$\frac{1}{\left(s-1\right)^3}$

d)

$\text{///}\frac{3}{s-1}$

24.

Find: $L\left\{t^2\right\}$

a)

$\frac{1}{s^2}$

b)

$\frac{1}{s^3}$

c)

$\frac{2}{s^3}$

d)

$\frac{2}{s^2}$

25.

Find: $L\left\{\cosh\ 4t\right\}$

a)

$\frac{4}{s^2-16}$

b)

$\frac{4}{s^2+4}$

c)

$\frac{s}{s^2-16}$

d)

$\frac{s}{s^2-4}$

26.

Find: $L\left\{\sinh\ t\right\}$

a)

$\frac{s}{s^2+1}$

b)

$\frac{s}{s^2-1}$

c)

$\frac{1}{s^2+1}$

d)

$\frac{1}{s^2-1}$

27.

Find: $L\left\{3t^3\right\}$

a)

$\frac{3}{s^3}$

b)

$\frac{18}{s^4}$

c)

$\frac{3}{s^4}$

d)

$\frac{6}{s^4}$

28.

The value of

e^{-\infty}

is------------------

(a)

29.

Laplace transform of a unit impulse function is

a)

S

b)

0

c)

e^-s

d)

1

30.

Where is Laos located?

a)

Next to Germany

b)

Next to Vietnam

c)

Above America

d)

In Africa

31.

1975 The Pathet Lao are renamed

a)

The People's Republic

b)

The Empire

c)

Lao's People Front

d)

The Fire Nation

32.

1. What is the poorest country in Southeast Asia?

a)

Laos

b)

Myanmar

c)

Cambodia

d)

Malaysia

33.

Name the country.

a)

Cambodia

b)

Myanmar

c)

Laos

d)

Pakistan

34.

Name the country

a)

Myanmar

b)

Cambodia

c)

Laos

d)

Thailand

35.

Name the country

a)

Thailand

b)

Philippines

c)

Cambodia

d)

Timor Leste

36.

Name the country

a)

Laos

b)

Vietnam

c)

Cambodia

d)

Thailand

37.

………………is the capital of Laos.

a)

Vientiane

b)

Naypyidaw

c)

Thai

d)

Hanoi

38.

Som Bay Dee is the greeting of..........

a)

Myanmar

b)

Laos

c)

Malaysia

d)

Vietnam

39.

We live in the............

a)

Malaysia

b)

Cambodia

c)

Indonesia

d)

Singapore

40.

A=[1 2 3 4 5];

a)

A is Row Vector

b)

A is Column Vector

41.

A=[1;2;3;4;5];

a)

A is Row Vector

b)

A is Column Vector

42.

floor(14.8) =

a)

14.8

b)

15

c)

14

d)

0.8

43.

A=[14 12 15;
34 25 35;
94 51 75;
40 52 55]
What is the dimension of A ?

a)

4x3

b)

3x4

c)

4x4

d)

3x3

44.

round(14.8) =

a)

14.8

b)

15

c)

14

d)

0.8

45.

A=[14 12 15;
34 25 35;
94 51 75;
40 52 55]
How many elements greater than 14 ?

a)

9

b)

10

c)

11

d)

12

46.

ciel(14.8) =

a)

14.8

b)

15

c)

14

d)

0.8

47.

A=[14 12 15;
34 25 35;
94 51 75;
40 52 55]
How many elements less than 14 ?

a)

1

b)

2

c)

3

d)

4

48.

What is the result of this command
sin(pi/2) + cosd(0)

a)

2

b)

0

c)

1

d)

infinity

49.

A=[1 2 3 4 5];

a)

A is Row Vector

b)

A is Column Vector

50.

A=[1;2;3;4;5];

a)

A is Row Vector

b)

A is Column Vector

51.

A=[14 12 15;
34 25 35;
94 51 75;
40 52 55]
What is the dimension of A ?

a)

4x3

b)

3x4

c)

4x4

d)

3x3

52.

plot(x,y,':b')
the output line will be ?

a)

dashed-blue

b)

dotted-black

c)

dotted-blue

d)

solid-blue

53.

Matlab merupakan singkatan dari...

a)

Mathematic Labour

b)

Mathematic Laboratory

c)

Matrix Laboratory

d)

Matrix Labour

54.

Bentuk operasi yang benar dalam matlab adalah ...

a)

/ , + , x

b)

/ , - , *

c)

+ , - , :

d)

+ , x , *

55.

Transpose untuk matrix A adalah ...

a)

b)

c)

d)

56.

Acorde al orden de procedencia, ¿Cual sería el resultado de la siguiente operación?

$2a\cdot\frac{3}{a}-2b+\left(\frac{4}{b^2}\right)^{\frac{1}{2}}\cdot b^2$

a)

6+4b

b)

0

c)

6-6b

d)

6

57.

What will print?

a)

4 5 6

b)

6 4 5

c)

nothing

d)

4 6

58.

a)

b)

c)

d)

59.

a)

b)

c)

d)

60.

a)

b)

c)

d)

61.

What will be the output on executing this program?

a)

b)

c)

d)

62.

>> a=cos(30)

a)

a= 0.12

b)

a= 0.187

c)

a= 0.145

d)

a= 0.154

63.

A=[1;2;3;4;5];

a)

A is Row Vector

b)

A is Column Vector

64.

Gambar diatas merupakan tampilan dari ...

a)

Command Windows

b)

Command Prompt

c)

Workspace

d)

Current Folder

65.

Gambar diatas merupakan tampilan dari ...

a)

Command Windows

b)

Command Prompt

c)

Workspace

d)

Current Folder

66.

Perintah untuk membersihkan layar command windows adalah ...

a)

delete

b)

clear

c)

cls

d)

clc

67.

Perintah untuk menampilkan grafik adalah ...

a)

disp

b)

graph

c)

plot

d)

ploting

68.

SOLVE('4-t^2=0')

(a)

69.

A= 1 2 3

4 5 6

7 8 9

>>A(:,2)=[]

a)

1 3

4 6

7 0

b)

2 3

5 6

8 9

c)

1 3

4 6

7 9

d)

2 3

5 6

8 0

70.

a = 1; sin(a) a = 2;

a)

0.4815

b)

0.8516

c)

0.8415

d)

0.4916

71.

OUTPUT OF A = [0 1; 1 0] ; B=2 ; C = A + B

a)

1 2

4 5

b)

1 4

2 5

c)

ERROR

d)

1 2

5 4

72.

Indicar la representación de la Ecuación en Matlab

a)

P=[1 -9 13 9 -14]

b)

P=[1 9 13 -9 -14]

c)

P=[1 -9 13 -9 -14]

d)

P=[-1 9 13 -9 14]

73.

Find the output :

>>1/(2+3^4 )+4/5*6/7*7/8

a)

0.5506

b)

0.7680

c)

0.8706

d)

0.6680

74.

What will print?

a)

4 5 6

b)

6 5 4

c)

nothing

d)

4 4 4

75.

How many number will print?

a)

5

b)

3

c)

4

d)

0

76.

>>x=[1 2 3];

>>y=[4 5 6]

>>z=x.*y

a)

z=4 10 19

b)

z=4 11 18

c)

z=3 10 18

d)

z=4 10 18

77.

ການສະແດງຄ່າຈຳນວນຈິງ

a)

%c

b)

%e

c)

%f

d)

%r

78.

Save filename ແມ່ນຫຍັງ

a)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme.net

b)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme.met

c)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme

d)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernm.net

79.

Load ແມ່ນຫຍັງ

a)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme.net

b)

ດຶງຄ່າຕົວແປທຸກໆຕົວ ຈາກຟາຍ matlab.nat

c)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme

d)

ດຶງຄ່າຕົວແປທຸກໆຕົວ ຈາກຟາຍ matlab.mat

80.

pi ມີຄ່າເທົ່າກັບ

(a)

81.

abs(x) ແມ່ນຫຍັງ

a)

ຄຳນວນຫາຄ່າສຳບູນ

b)

ຄຳນວນຫາຄ່າສະເລຍ

c)

ຄຳນວນຫາຄ່າຮາກຂັ້ນສອງ

d)

ສະແດງຕົວອັກສອນ

82.

ຄຳສັ່ງທີ່ໃຊ້ໃນການແຕ້ມເສັ້ນສະແດງ

a)

plot(t,temp);

b)

plot(t,temp);

c)

plet(t,temp);

d)

Plot(t,temp);

83.

zeros(n) ແມ່ນຫຍັງ

a)

ເປັນຄຳສັ່ງທີ່ໃຊ້ການສ້າງມາຕິກສູນທີ່ເປັນຮູບສີ່ແຈສາກ mxn

b)

ເປັນຄຳສັ່ງທີ່ໃຊ້ການສ້າງມາຕິກສູນທີ່ເປັນຮູບຈະຕຸລັດຂະຫນາດ nxn

c)

ເປັນຄຳສັ່ງທີ່ໃຊ້ການສ້າງມາຕິກສູນທີ່ເປັນຮູບສາມແຈ່ສາກ nxn

d)

ຖຶກຫມົດ

84.

ຄຳສັ່ງນີ້ ຈະໃຊ້ມາຕິກທີ່ມີຄ່າເປັນ ໜື່ງທັ້ງໝົດຊື້ງເປັນມາຕິກແບບ Rectangula ຂະໜາດ

a)

ones(m , n)

b)

ones(size(A))

c)

ones(n)

d)

ones(m, n)

85.

ຊື່ ອາຈານປະຈຳວິຊາ

(a)

86.

ວິຊາລະບົບຄວບຄຸມມີຈັກໜ່ວຍກິດ

a)

2

b)

3

c)

4

d)

5

87.

Generate 50 logarithmically-spaced points between 10² and 10⁷

(a)

88.

What is the symbol for division?

a)

\

b)

/

c)

%

d)

^

89.

x = 2;

if x > 2

y = 2*x;

elseif x < 2

y = 3*x;

else

y = 6*x;

end

What is y?

a)

2

b)

4

c)

6

d)

12

90.

vec = [1 6 20 3 2];

[m, n] = max(vec);

What is the value of n?

a)

5

b)

20

c)

3

d)

2

91.

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

new = 3*sum(x|y)

What is the value of new?

(a)

92.

for index = 1:2:10

v = index*3;

end

How many iterations of the loop will

this code perform?

a)

3

b)

5

c)

6

d)

12

93.

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

What is the result of a(3)?

(a)

94.

mat = [2 1 3; 5 4 6; 7 8 9];

What is in mat(2,1)?

a)

1

b)

2

c)

7

d)

5

95.

x = 2;

while x<7

x = x+3;

end

What is stored in x?

(a)

96.

Given a = [6 2 4 1]; and

b = 1×4 logical array

1 0 1 0. What is the result of a(b)?

a)

[2 1]

b)

this does not work

c)

[6]

d)

[6 4]

97.

What is the solution?

a)

(1, -1)

b)

(-1, 1)

c)

(0, -2)

d)

(0, 1)

98.

Find the output :

>>1/(2+3^4 )+4/5*6/7*7/8

a)

0.5506

b)

0.7680

c)

0.8706

d)

0.6680

99.

Perintah untuk menghapus data di workspace yang tidak akan digunakan lagi dalam program adalah ...

a)

delete

b)

clear

c)

cls

d)

clc

100.

>>x=[1 2 3];

>>y=[4 5 6]

>>z=x.*y

a)

z=4 10 19

b)

z=4 11 18

c)

z=3 10 18

d)

z=4 10 18

101.

A=[1 2 3 4 5];

a)

A is Row Vector

b)

A is Column Vector

102.

A=[1;2;3;4;5];

a)

A is Row Vector

b)

A is Column Vector

103.

What is the result of this command
sin(pi/2) + cosd(0)

a)

2

b)

0

c)

1

d)

infinity

104.

plot(x,y,'--r')
the output line will be ?

a)

dashed-red

b)

dash dotted-red

c)

dotted-red

d)

solid-red

105.

Transpose untuk matrix A adalah ...

a)

b)

c)

d)

106.

Perintah untuk membersihkan layar command windows adalah ...

a)

delete

b)

clear

c)

cls

d)

clc

107.

Matlab merupakan singkatan dari...

a)

Mathematic Labour

b)

Mathematic Laboratory

c)

Matrix Laboratory

d)

Matrix Labour

108.

a)

b)

c)

d)

109.

Name the order of this matrix.

a)

6x2

b)

2x6

c)

12

d)

36

110.

What will be the output on executing this program?

a)

b)

c)

d)

111.

disp(A) ແມ່ນຄຳສັ່ງຫຍັງ?

a)

ສະແດງລາຍລະອຽດຂອງອາເຣ A

b)

ສະແດງຕົວອັກສອນຕ່າງໆທີ່ເປັນຂອງ A

c)

ສະແດງຕົວອັກສອນ A

d)

ຜິດຫມົດ

112.

ການສະແດງຕົວເລກກຳລັງຄຶ

a)

%c

b)

%e

c)

%f

d)

%r

113.

ການສະແດງຄ່າຈຳນວນຈິງ

a)

%c

b)

%e

c)

%f

d)

%r

114.

Save filename ແມ່ນຫຍັງ

a)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme.net

b)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme.met

c)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme

d)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernm.net

115.

Load ແມ່ນຫຍັງ

a)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme.net

b)

ດຶງຄ່າຕົວແປທຸກໆຕົວ ຈາກຟາຍ matlab.nat

c)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme

d)

ດຶງຄ່າຕົວແປທຸກໆຕົວ ຈາກຟາຍ matlab.mat

116.

Load ແມ່ນຫຍັງ

a)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme.net

b)

ດຶງຄ່າຕົວແປທຸກໆຕົວ ຈາກຟາຍ matlab.nat

c)

ເກັບທຸກຄ່າ ຕົວແປຈາກ workspace ໄວ້ໃນ filernme

d)

ດຶງຄ່າຕົວແປທຸກໆຕົວ ຈາກຟາຍ matlab.mat

117.

pi ມີຄ່າເທົ່າກັບ

(a)

118.

abs(x) ແມ່ນຫຍັງ

a)

ຄຳນວນຫາຄ່າສຳບູນ

b)

ຄຳນວນຫາຄ່າສະເລຍ

c)

ຄຳນວນຫາຄ່າຮາກຂັ້ນສອງ

d)

ສະແດງຕົວອັກສອນ

119.

ຄຳສັ່ງທີ່ໃຊ້ໃນການຫາຄ່າໄຕມູມມິຕິມີຫຍັງແດ່

a)

tin(x)

b)

xos(x)

c)

can(x)

d)

ຜິດຫມົດ

120.

ຄຳສັ່ງທີ່ໃຊ້ໃນການຫາຄ່າໂລກະລິດ

a)

log(x)

log10(x)

b)

log(10)

log(x)

c)

log(x)

log10

d)

ຜິດຫມົດ

121.

ຄຳສັ່ງທີ່ໃຊ້ໃນການແຕ້ມເສັ້ນສະແດງ

a)

plot(t,temp);

b)

plot(t,temp);

c)

plet(t,temp);

d)

Plot(t,temp);

122.

ການສ້າງອາເຣທີ່ມີເຄື່ອງໝາຍ Colon(:) ມີຈັກແບບ

a)

2

b)

3

c)

4

d)

5

123.

ການສ້າງອາເຣທີ່ມີເຄື່ອງໝາຍ Colon(:) ມີຈັກແບບ

a)

ຕົວແປ = begin : end

ຕົວແປ = A(row , : )

b)

ຕົວແປ = begin : increment(+)

c)

ຕົວແປ = A( : , )

d)

ຖຶກຫມົດ

124.

zeros(n) ແມ່ນຫຍັງ

a)

ເປັນຄຳສັ່ງທີ່ໃຊ້ການສ້າງມາຕິກສູນທີ່ເປັນຮູບສີ່ແຈສາກ mxn

b)

ເປັນຄຳສັ່ງທີ່ໃຊ້ການສ້າງມາຕິກສູນທີ່ເປັນຮູບຈະຕຸລັດຂະຫນາດ nxn

c)

ເປັນຄຳສັ່ງທີ່ໃຊ້ການສ້າງມາຕິກສູນທີ່ເປັນຮູບສາມແຈ່ສາກ nxn

d)

ຖຶກຫມົດ

125.

ຄຳສັ່ງນີ້ ຈະໃຊ້ມາຕິກທີ່ມີຄ່າເປັນ ໜື່ງທັ້ງໝົດຊື້ງເປັນມາຕິກແບບ Rectangula ຂະໜາດ

a)

ones(m , n)

b)

ones(size(A))

c)

ones(n)

d)

ones(m, n)

126.

ຄຳສັ່ງທີ່ໃຊ້ໃນການຕັ້ງຊື່ຫົວຂໍ້ຂອງເສັ້ນກາບ

a)

title(‘text’)

b)

title(x,y,’text’)

c)

text(x,y,’text’)

d)

gtext(‘text’)

127.

ຊື່ ອາຈານປະຈຳວິຊາ

(a)

128.

ເບີໂທຕິດຕໍ່ ອາຈານປະຈຳວິຊາ

(a)

129.

ວິຊາລະບົບຄວບຄຸມມີຈັກໜ່ວຍກິດ

a)

2

b)

3

c)

4

d)

5

130.

floor(14.8) =

a)

14.8

b)

15

c)

14

d)

0.8

131.

Instrucciones para desplegar los string que estan junto a la estrellita rosa.

a)

plt.ylabel('Month Number')

plt.xlabel('Sales units in number')

b)

plt.title('Month Number')

plt.title('Sales units in number'')

c)

plt.xlabel('Month Number')

plt.ylabel('Sales units in number')

d)

plt.label('Month Number')

plt.label('Sales units in number')

132.

A=[14 12 15;
34 25 35;
94 51 75;
40 52 55]
How many even numbers in A?

a)

6

b)

7

c)

8

d)

9

133.

What is the full form for MATLAB

a)

Matrix laboratory

b)

Math laboratory

c)

Matrices lab

d)

Material Lab

134.

Select all variable types that exist in MATLAB.

a)

int10

b)

single

c)

logical

d)

array

e)

script

135.

What command will create the row vector a = ( 4 15 23 81 ) ?

a)

a = [4 15 23 81]

b)

a = [ 4, 15, 23, 81]

c)

a = [ 4; 15; 23; 81]

d)

a = [ 4,15 23, 81]

136.

A matrix was declared as in the left-side image. Which command assigns to scalar s value 10?

a)

s = matrice(3,2)

b)

s = matrice(end,end)

c)

s = matrice(2,3)

d)

s = matrice(1,3)

137.

A matrix was declared as in the left-side image.

Select the right values for x components, if x was generated by the following MATLAB command

>> x = size(test);

a)

x (1) = 3

x (2) = 7

b)

x (1) = 5

x (2) = 15

c)

x (1) = 7

x (2) = 3

d)

x (1) = 15

x (2) = 5

138.

For two matrices A and B defined as in the left-side picture, what will be the result of command A./B?

a)

b)

c)

d)

139.

The file type used by Matlab app is

a)

.mapp

b)

.mlxapp

c)

.mlapp

d)

.app

140.

What is the result of this command
3 ^ 2 * 3 ^ 2

a)

81

b)

36

c)

216

d)

6

141.

A___at the end of the command suppresses the screen outputs

a)

,

b)

:

c)

;

d)

:

142.

plot(x,y,'--r')
the output line will be ?

a)

dashed-red

b)

dash dotted-red

c)

dotted-red

d)

solid-red

143.

for index = 1:2:10

v = index*3;

end

How many iterations of the loop will

this code perform?

a)

3

b)

5

c)

6

d)

12

144.

Care va fi valoarea expresiei după execuție 6 + 6 * 6 - 4?

a)

ans = 38

b)

ans = 68

c)

ans = 18

d)

ans = 88

145.

Find: $L\left\{2t\right\}$

a)

$\frac{2}{s^2}$

b)

$\frac{1}{s^2}$

c)

$\frac{1}{2s^2}$

d)

$\frac{s^2}{2}$

146.

Find: $L\left\{e^{2t}\right\}$

a)

$\frac{\text{2}}{\text{s+2}}$

b)

$\frac{1}{s-2}$

c)

$\frac{1}{s+2}$

d)

$\frac{1}{s-1}$

147.

Find $L^{-1}\left(\frac{s}{s^2+25}\right)$

a)

cos 25t

b)

sin 5t

c)

cos 5t

148.

$\frac{1}{s^9}$

Inverse Laplace Transform of

a)

t⁸/8!

b)

t⁹/8!

c)

t⁹/9!

d)

t⁸/9!

149.

$L^{-1}\left(\frac{3}{s^2+36}\right)$

a)

$\frac{1}{2\ }\sin\ 6t$

b)

$\frac{3}{5}\sin\ 5t$

c)

$\cosh2t$

150.

Given $g\left(t\right)=e^{5t}f\left(t\right)$ , what is G(s)?

a)

$G\left(s\right)=F\left(s-5\right)$

b)

$G\left(s\right)=\left(-1\right)^5\frac{\text{d}^5F\left(s\right)}{\text{d}s^5}$

c)

$G\left(s\right)=F\left(s+5\right)$

d)

$G\left(s\right)=\left(-1\right)^4\frac{\text{d}^4F\left(s\right)}{\text{d}s^4}$

151.

Given $g\left(t\right)=\frac{f\left(t\right)}{t}$ , what is G(s)?

a)

$G\left(s\right)=\int_s^{\infty}F\left(u\right)du$

b)

$G\left(s\right)=\left(-1\right)\frac{\text{d}F\left(s\right)}{\text{d}s}$

c)

$G\left(s\right)=\int_{\infty}^sF\left(u\right)du$

d)

$G\left(s\right)=^{\left(-1\right)^{-1}}\frac{\text{d}F\left(s\right)}{\text{d}s}$

152.

Find $L^{-1}\left\{\frac{2}{3s}\right\}$

a)

$\frac{2}{3}$

b)

$\frac{2}{3}t$

c)

$\frac{3}{2}$

d)

$\frac{3}{2}t$

153.

What is the size of an array if Arr = [9 3 5 7 10 0 16]?

a)

7x1

b)

7x7

c)

1x7

d)

7

154.

What is the correct MATLAB command for y = 3(x+2) when x = 2?

a)

>> y = 3*(x+2);

>> x =2;

b)

>> y = 3(x+2);

>> x = 2;

c)

>> x = 2;

>> y = 3*(x+2);

d)

>> x = 2;

>> y = 3(x+2);

155.

Which command in MATLAB performs matrix operation on elements?

a)

a’

b)

a.*b

c)

a^3

d)

a_4

156.

The basic building block of a matlab is ____

a)

Array

b)

Matrix

c)

Vector

d)

Scalar

157.

A___at the end of the command suppresses the screen outputs

a)

,

b)

:

c)

;

d)

:

158.

The meaning of command clc

a)

Clear command history pane

b)

Clear command window

c)

Clear editor window

d)

Clear current directory pane

159.

The command to delete the 3rd column of matrix A is

a)

A(:,3)=0

b)

A(3,:)=[ ]

c)

A(:,3)=[ ]

d)

None of these

160.

plot(x,y,'--r')
the output line will be ?

a)

dashed-red

b)

dash dotted-red

c)

dotted-red

d)

solid-red

161.

A=[1;2;3;4;5];

a)

A is Row Vector

b)

A is Column Vector

162.

The command prompt will display ?

a)

101

b)

1 x 101

c)

1 x 2

d)

101 x 1

163.

The variable q represent ?

a)

Phase angle

b)

Frequency of Sinusoidal

c)

Wavelength

d)

Can't Say

164.

The waveform shown represents

a)

AC

b)

DC

c)

Both AC as well as DC

d)

Don't Know

Test final exam MATLAB 2023

Total questions: 164

Worksheet time: 2hrs 37mins

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