Chebyshev approximation by interpolating rationals on [𝛼,∞]

Dunham, Charles B.

doi:10.1090/S0025-5718-1975-0371013-7

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ISSN 1088-6842(online) ISSN 0025-5718(print)

Chebyshev approximation by interpolating rationals on $[\alpha ,\,\infty ]$

Author: Charles B. Dunham
Journal: Math. Comp. 29 (1975), 549-551
MSC: Primary 65D15; Secondary 41A50
MathSciNet review: 0371013
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Abstract: Decay-type functions with a finite number of zeros are approximated on $[\alpha ,\infty )$ by an oscillation factor times a negative power of a polynomial. Best approximations are characterized and an algorithm indicated.

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