Rational approximation to 𝑒^{-𝑥}. II

Rahman, Q. I.; Schmeisser, G.

doi:10.1090/S0002-9947-1978-0682544-3

Rational approximation to $e^{-x}$. II
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by Q. I. Rahman and G. Schmeisser PDF

Trans. Amer. Math. Soc. 235 (1978), 395-402 Request permission

Abstract:

It is shown that as compared to reciprocals of polynomials of degree n, rational functions of degree n provide an effectively better uniform approximation to the function ${e^{ - x}}$ on $[0,\infty )$.

References

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