Rational spline interpolation to monotonic data (Q2718783)

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scientific article; zbMATH DE number 1597212
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Rational spline interpolation to monotonic data
scientific article; zbMATH DE number 1597212

    Statements

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    9 May 2001
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    spline interpolation
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    monotonic data
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    monotonicity preserving interpolation
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    rational \(C^1\)-spline
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    Rational spline interpolation to monotonic data (English)
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    The author studies the interpolation of monotonic data by rational \(C^1\)-splines with linear numerators and linear denominators. It is shown that for any strictly monotonic data there exists a unique strictly monotonic interpolant. The construction of this interpolant requires the iterative solution of a nonlinear system by the Gauss-Seidel or Newton method.
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