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GATE Engineering Mathematics QUESTION #3772
Question 1
In the Fourier series representation of a periodic square wave, what is the term for the oscillations appearing near jump discontinuities?
  • Cauchy effect
  • Fourier fluctuation
  • Gibbs phenomenon✔️
  • Laplace oscillation
Correct Answer Explanation
The Gibbs phenomenon describes the behavior of Fourier series at points of discontinuity.