Practice Definition of Orthogonality (Inner Product Perspective) - 3.1.1 | Module 3: Fourier Series Analysis of Continuous-Time Periodic Signals | Signals and Systems
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define orthogonality in your own words.

πŸ’‘ Hint: Think about what it means for two lines to meet at a right angle.

Question 2

Easy

What is the inner product of two functions?

πŸ’‘ Hint: Recall the integral definition discussed in class.

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 defines two functions as orthogonal?

  • Their norms are equal
  • Their inner product equals zero
  • They share the same zeros

πŸ’‘ Hint: Think about perpendicularity in geometric terms.

Question 2

True or False: The inner product always results in a complex number.

  • True
  • False

πŸ’‘ Hint: What happens to the imaginary part in conjugation?

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given two functions f1(t) = e^(jt) and f2(t) = e^(-jt), find their inner product over the interval [0, 2Ο€].

πŸ’‘ Hint: Remember to utilize the integral definition and the property of complex exponentiation.

Question 2

Prove that any two distinct sines and cosines of the same frequency are orthogonal over any interval of their period.

πŸ’‘ Hint: Utilize integral properties and sine/cosine identities.

Challenge and get performance evaluation