Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does Bessel's Inequality express?
💡 Hint: Think about how vectors relate to their components.
Question 2
Easy
In which contexts might Parseval's Identity be applied?
💡 Hint: Consider where decomposing functions is common.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does Bessel's Inequality state regarding an orthonormal set and a vector?
💡 Hint: Think about the relationship of projections onto the basis.
Question 2
True or False: Parseval's Identity applies only to finite orthonormal sets.
💡 Hint: Consider completeness in the context of series.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Let v = (3, 4, 0) in R^3. Verify Bessel's Inequality with the orthonormal set { (1, 0, 0), (0, 1, 0), (0, 0, 1) }.
💡 Hint: Calculate inner products step by step before summing.
Question 2
In the context of Fourier Series, express a square wave function using Parseval's Identity. How does it relate to energy conservation?
💡 Hint: Remember the relationship between harmonic components and energy.
Challenge and get performance evaluation