Practice Fourier Series on [−L,L] - 18.4.1 | 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 is the Fourier series formula for a piecewise continuous function on the interval [−L,L]?

💡 Hint: Think about how we break down the function into cosine and sine components.

Question 2

Easy

Define piecewise continuous function.

💡 Hint: It relates to how functions behave in certain segments of their domain.

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Interactive Quizzes

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Question 1

What is the purpose of Fourier series?

  • To compute derivatives
  • To represent functions as sums of sines and cosines
  • To measure physical properties

💡 Hint: Think about how we can break down complex shapes or sounds.

Question 2

True or False: Fourier coefficients can be derived using integrals.

  • True
  • False

💡 Hint: Recall the formula presentations we discussed in class.

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Challenge Problems

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Question 1

Using Fourier series, derive the coefficients for the function f(x) = x on the interval [-π, π]. Discuss the significance of each coefficient.

💡 Hint: Leverage the integration formulas for even and odd functions.

Question 2

For the function f(x) defined as 1 on [-L, L] and 0 elsewhere, calculate its Fourier coefficients, discuss the implications for signal processing.

💡 Hint: Consider the piecewise nature of the function when integrating for coefficients.

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