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GeneralRationalInterpolation[{fx, fy}, {t, m, n}, x, {t1, ..., tm+n+1}]]
gives the rational polynomial function of x, with numerator order m and denominator order n, that interpolates the curve with x and y coordinates fx and fy generated as a function of t, at the interpolation points t1, t2, ....
GeneralRationalInterpolation[{fx, fy}, {t, m, n}, x, {t, t0, t1}]
gives the rational interpolant with the interpolation points chosen automatically from the interval t0 to t1.
  • The following options can be given:
WorkingPrecisionMachinePrecisionprecision to use in internal computations
Bias0bias in the automatic choice of interpolation points