Handbook Series Methods of Approximation. Rational Chebyshev Approximation Using Interpolation.
J. STOER, W.J. CODY (1966/67)
Numerische Mathematik
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J. STOER, W.J. CODY (1966/67)
Numerische Mathematik
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Vugar E. Ismailov (2007)
Studia Mathematica
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The approximation in the uniform norm of a continuous function f(x) = f(x₁,...,xₙ) by continuous sums g₁(h₁(x)) + g₂(h₂(x)), where the functions h₁ and h₂ are fixed, is considered. A Chebyshev type criterion for best approximation is established in terms of paths with respect to the functions h₁ and h₂.
J.H. ROWLAND (1971)
Numerische Mathematik
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T.D. Narang, Sahil Gupta (2015)
Annales UMCS, Mathematica
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As a counterpart to best approximation, the concept of best coapproximation was introduced in normed linear spaces by C. Franchetti and M. Furi in 1972. Subsequently, this study was taken up by many researchers. In this paper, we discuss some results on the existence and uniqueness of best approximation and best coapproximation when the underlying spaces are metric linear spaces
J. STOER, W.J. CODY (1968)
Numerische Mathematik
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T. W. Narang, Sahil Gupta (2015)
Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica
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As a counterpart to best approximation, the concept of best coapproximation was introduced in normed linear spaces by C. Franchetti and M. Furi in 1972. Subsequently, this study was taken up by many researchers. In this paper, we discuss some results on the existence and uniqueness of best approximation and best coapproximation when the underlying spaces are metric linear spaces.
Manuel Fernández, María L. Soriano (1995)
Extracta Mathematicae
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J.H. ROWLAND, J.A. O'DONNELL (1970/71)
Numerische Mathematik
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András Kroó (1986)
Mathematische Zeitschrift
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Tulsi Dass Narang (1986)
Archivum Mathematicum
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W.J. CODY, W. FRASER, J.F. HART (1968)
Numerische Mathematik
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J. STOER, H. WERNER, W. BOMMAS (1967)
Numerische Mathematik
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