https://doi.org/10.4169/amer.math.monthly.124.2.170 https://www.jstor.org/stable/10.4169/amer.math.monthly.124.2.170 We consider the problem of characterizing all ...
A new method for interpolation by rational functions of prescribed numerator and denominator degrees is presented. When the interpolation nodes are roots of unity or Chebyshev points, the algorithm is ...