MATLAB Basics Quiz

What does MATLAB stand for?

• Matrix Laboratory

• Matrix Language

• Mathematical Lab

• Matrix Computation

Which of the following commands is used to create a vector in MATLAB?

• vector = [1, 2, 3];

• vector = {1, 2, 3};

• vector = (1, 2, 3);

• vector = 1, 2, 3;

What is the default variable type for numbers in MATLAB?

• Integer

• Double

• Single

• String

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

• clear all

• clearvars

• clear

• reset

What does the command size(A) return when A is a matrix?

• The number of elements in A

• The dimensions of A as a vector

• The data type of A

• The maximum element in A

How can you comment a single line in MATLAB?

• //

• #

• %%

• %

Which function is used to create a plot in MATLAB?

• display()

• plot()

• graph()

• draw()

What will the command rand(3, 2) generate?

• A 3x3 matrix of random numbers

• A 2x3 matrix of random numbers

• A 3x2 matrix of random numbers

• A 1x6 matrix of random numbers

In MATLAB, which operator is used for element-wise multiplication?

• *

• .*

• x

• *

What does the command help function_name do?

• Displays the function's output

• Shows the source code of the function

• Provides documentation for the function

• Runs the function