On the Gibbs Phenomenon and Its Resolution
SIAM Review
Towards the resolution of the Gibbs phenomena
Journal of Computational and Applied Mathematics
Padé-Legendre Interpolants for Gibbs Reconstruction
Journal of Scientific Computing
Construction of Lanczos type filters for the Fourier series approximation
Applied Numerical Mathematics
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A simple procedure is proposed to represent a discontinuous function by continuous parametric equations without a significant change in the nature of the original function. Furthermore, this representation is exact and closed. As it is well known, series expansions of functions with discontinuities are plagued by spurious oscillations due to the Gibbs phenomenon. Since in the proposed parametric representation there are no discontinuities, no Gibbs phenomenon arises in its series expansion.