Practice Orthogonality Property - 18.8.1 | 18. Separation of Variables, Use of Fourier Series | Mathematics (Civil Engineering -1)
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Practice Questions

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Question 1

Easy

What does orthogonality mean in the context of functions?

💡 Hint: Think about the concept of perpendicular vectors.

Question 2

Easy

What are eigenfunctions?

💡 Hint: Recall their importance in solving differential equations.

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Interactive Quizzes

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Question 1

What is the result of the inner product of two orthogonal functions?

  • 1
  • 0
  • L

💡 Hint: Think about what it means for vectors to be perpendicular.

Question 2

True or False: Eigenfunctions can interfere when used in Fourier series.

  • True
  • False

💡 Hint: Remember, orthogonality means no overlap in contributions.

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Challenge Problems

Push your limits with challenges.

Question 1

Prove the orthogonality of \(\sin(n\pi x/L)\) and \(\sin(m\pi x/L)\) over \([0,L]\).

💡 Hint: Utilize trigonometric identities to help simplify the integral.

Question 2

Discuss the implications of the completeness property in Fourier series expansions.

💡 Hint: Consider how every piecewise continuous function can be represented in this context.

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