MATLAB Program - VIDYA VICHAR

Welcome to your MATLAB Program

Which function is used to solve linear equations in MATLAB?

linsolve(A, B)

equationsolve(A, B)

solve(A, B)

lin_solve(A, B)

None

Which function is used to plot data in MATLAB?

draw(x, y)

plot(x, y)

graph(x, y)

chart(x, y)

None

Which function is used to generate random numbers in MATLAB?

rand()

randnum()

random()

generate_random()

None

How do you solve a system of equations in MATLAB?

equation_solve(A*x = B)

solve_equation(A*x = B)

solve(A*x = B)

linsolve(A*x = B)

None

How do you create a subplot in MATLAB?

subplot_create(m, n, p)

plot_sub(m, n, p)

sub_plot(m, n, p)

subplot(m, n, p)

None

How do you solve an ordinary differential equation (ODE) in MATLAB?

ode45(@odefun, tspan, y0)

ode_solve(@odefun, tspan, y0)

ode(@odefun, tspan, y0)

solveode(@odefun, tspan, y0)

None

What command is used to clear all variables from the workspace?

clear all

reset

clc

clearvars

None

How do you create a function in MATLAB?

function myFunction

function_def myFunction

def myFunction

create_function myFunction

None

What function is used to calculate the mean of an array in MATLAB?

median(array)

mean(array)

sum(array)/length(array)

avg(array)

None

10.

Which function is used to calculate the cumulative sum in MATLAB?

cum_sum(array)

cumulate(array)

cumsum(array)

cumulative_sum(array)

None

11.

How do you define a variable in MATLAB?

var variable = value;

variable = value;

define variable = value;

value variable = value;

None

12.

How do you concatenate two matrices horizontally in MATLAB?

C = A.B

C = A + B

C = [A; B]

C = [A B]

None

13.

How do you find the index of the maximum value in an array in MATLAB?

find_max_idx(array)

idx = max(array)

max_idx(array)

[~, idx] = max(array)

None

14.

How do you generate a vector from 1 to 10 in MATLAB?

v = {1 to 10}

v = 1:10

v = (1, 2, 3, ..., 10)

v = [1-10]

None

15.

How do you find the eigenvalues of a matrix in MATLAB?

eig(matrix)

eigenvalues(matrix)

eigen(matrix)

eig_values(matrix)

None

16.

How do you comment a single line in MATLAB?

% This is a comment

// This is a comment

# This is a comment

None

17.

Which function is used to calculate the standard deviation in MATLAB?

variance(array)

dev(array)

std(array)

stdev(array)

None

18.

How do you transpose a matrix in MATLAB?

matrix'

transpose(matrix)

flip(matrix)

trans(matrix)

None

19.

How do you create a 3D plot in MATLAB?

plot_3d(x, y, z)

plot3(x, y, z)

plot3d(x, y, z)

graph3(x, y, z)

None

20.

Which function is used to find the inverse of a matrix in MATLAB?

matrix_inv(matrix)

inverse_matrix(matrix)

inv(matrix)

inverse(matrix)

None

21.

Which command is used to display the contents of a matrix in MATLAB?

display(matrix)

print(matrix)

disp(matrix)

show(matrix)

None

22.

How do you concatenate two strings in MATLAB?

concat(str1, str2)

str_concat(str1, str2)

strcat(str1, str2)

stringcat(str1, str2)

None

23.

How do you create a 2x2 matrix in MATLAB?

matrix = [1; 2; 3; 4];

matrix = {1 2; 3 4};

matrix = [1 2; 3 4];

matrix = [1, 2; 3, 4];

None

24.

Which command is used to save a workspace in MATLAB?

save filename.mat

export_workspace filename.mat

save_workspace filename.mat

savefile filename.mat

None

25.

How do you find the determinant of a matrix in MATLAB?

determinant(matrix)

matrix_det(matrix)

calc_det(matrix)

det(matrix)

None

26.

How do you find the maximum value in an array in MATLAB?

max_value(array)

highest(array)

maximum(array)

max(array)

None

27.

How do you compute the Fourier transform of a signal in MATLAB?

fourier(signal)

fft(signal)

transform(signal)

fft_transform(signal)

None

28.

How do you find the size of a matrix in MATLAB?

dimensions(matrix)

length(matrix)

size(matrix)

matrix.size

None

29.

How do you add a title to a plot in MATLAB?

addTitle('My Plot')

setTitle('My Plot')

title('My Plot')

plotTitle('My Plot')

None

30.

How do you create a for loop in MATLAB?

for (i = 1; i <= 10; i++)

for i = 1:10

for each i in 1:10

loop i = 1:10

None

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