MATLAB Basics Quiz

What does MATLAB stand for?

• Matrix Laboratory

• Mathematical Toolbox

• Matrix Language

• Mathematical Laboratory

Which panel shows the files in your current working directory?

• Command Window

• Editor

• Workspace

• Current Folder

What is the result of the command 'sin(a)' if a = 1?

• 0.5403

• 0.0000

• 0.8415

• 1.0000

How do you create a 5-by-1 column vector of zeros in MATLAB?

• z = zeros(5,1)

• z = ones(5,1)

• z = zeros(1,5)

• z = rand(5,1)

What does the command 'eye(6)' return?

• A 6x6 matrix of zeros

• A 6x1 vector of ones

• A 6x6 identity matrix

• A 6x1 vector of random numbers

Which operator is used for element-wise multiplication in MATLAB?

• x

• .*.

• .*

• *

What does the command 'sort(v)' do?

• Reverses the elements of v

• Finds the maximum value in v

• Sorts the elements of v in descending order

• Sorts the elements of v in ascending order

How do you clear all variables from the workspace?

• reset

• clear

• clear all

• delete

What is the purpose of the 'plot' function in MATLAB?

• To create 3D plots

• To perform matrix operations

• To create two-dimensional line plots

• To generate random numbers

Which command is used to save workspace variables?

• store

• archive

• save

• keep