PadeApproximant

PadeApproximant[expr,{x,x0,{m,n}}]
gives the Padé approximant to expr about the point , with numerator order m and denominator order n.

PadeApproximant[expr,{x,x0,n}]
gives the diagonal Padé approximant to expr about the point of order n.

DetailsDetails

  • The Wolfram Language can find the Padé approximant about the point only when it can evaluate power series at that point.
  • PadeApproximant produces a ratio of ordinary polynomial expressions, not a special SeriesData object.
Introduced in 2007
(6.0)