The Tchebysheffian approximation of one rational function by another
1964 ◽
Vol 60
(4)
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pp. 877-890
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In a previous paper we discussed a uniform algebraic method of solution of problems in which a prescribed real rational function (or polynomial) g(x) was to be approximated in a given finite interval by a real rational function (or polynomial)f(x) with prescribed numerator and denominator degrees, the approximation being Tchebysheffian, i.e. such as to make the ‘deviation’ of f, max |f − g| in the interval, as small as possible.
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1985 ◽
Vol 18
(5)
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pp. 859-865
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2020 ◽
Vol 146
(11)
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pp. 04020125
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1981 ◽
Vol 128
(6)
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pp. 275
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2017 ◽
Vol 3
(1)
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pp. 93-99
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