# Rational approximation of $x^n$

Nakatsukasa, Y
Trefethen, L

4 September 2018

## Journal:

Proceedings of the American Mathematical Society

## Last Updated:

2020-07-26T13:21:06.93+01:00

12

146

## DOI:

10.1090/proc/14187

5219–5224-

## abstract:

Let $E_{kk}^{(n)}$ denote the minimax (i.e., best supremum norm) error in approximation of $x^n$ on $[\kern .3pt 0,1]$ by rational functions of type $(k,k)$ with \$k

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Journal Article