Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Create a vector from 0 to 10 with a step of 1 using the colon operator.
💡 Hint: Remember the format is `start:step:end`.
Question 2
Easy
What would A(1:2, :) return if A is a 3x3 matrix?
💡 Hint: Think about row selection with the colon operator.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of the colon operator in MATLAB?
- Creating single elements
- Generating vectors
- Only for matrix multiplication
💡 Hint: Think of how you might want to list numbers.
Question 2
True or False: The command A(:, 3) = [] removes the third row.
- True
- False
💡 Hint: Remember the syntax of indexing.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a matrix of size 5x5, filled with the numbers 1 to 25. Then, using the colon operator, extract the submatrix containing rows 3 to 5 and columns 4 to 5.
💡 Hint: Think about how to reshape a vector into a matrix before extracting.
Question 2
Suppose you have a matrix M. Using the colon operator, write a command to retrieve the last two rows and all columns of M and set them to zero.
💡 Hint: Think about how 'end' can help you find the last rows.
Challenge and get performance evaluation