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Affine arithmetic (AA) is a model for self-validated numerical analysis. In AA, the quantities of interest are represented as affine combinations (affine forms) of certain primitive variables, which stand for sources of uncertainty in the data or approximations made during the computation. Affine arithmetic is meant to be an improvement on interval arithmetic (IA), and is similar to , first-order , the , and — in the sense that it is an automatic method to derive first-order guaranteed approximations to general formulas.

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  • Affine arithmetic (AA) is a model for self-validated numerical analysis. In AA, the quantities of interest are represented as affine combinations (affine forms) of certain primitive variables, which stand for sources of uncertainty in the data or approximations made during the computation. Affine arithmetic is meant to be an improvement on interval arithmetic (IA), and is similar to , first-order , the , and — in the sense that it is an automatic method to derive first-order guaranteed approximations to general formulas. Affine arithmetic is potentially useful in every numeric problem where one needs guaranteed enclosures to smooth functions, such as solving systems of non-linear equations, analyzing dynamical systems, integrating functions, differential equations, etc. Applications include ray tracing, plotting curves, intersecting implicit and parametric surfaces, error analysis (mathematics), process control, worst-case analysis of electric circuits, and more. (en)
  • 数値解析・精度保証付き数値計算においてアフィン演算(アフィンえんざん、英: affine arithmetic)は区間演算における区間幅の増大を抑止するために作られた演算方式である。 「区間演算」および「精度保証付き数値計算」も参照 (ja)
  • L'Aritmetica Affine (AA) è un modello di analisi numerica. In AA, le quantità vengono rappresentati come (forme affini) di alcune variabili primitive che esprimono l'incertezza dell'approssimazione dei dati durante un calcolo. L'aritmetica affine risulta particolarmente utile nei problemi in cui c'è necessità di garantire errori minimi dovuti ad arrotondamenti nei calcoli numerici a virgola mobile. Esempi tipici sono la risoluzione di , l'analisi di sistemi dinamici, la risoluzione di equazioni differenziali, ecc. (it)
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  • 数値解析・精度保証付き数値計算においてアフィン演算(アフィンえんざん、英: affine arithmetic)は区間演算における区間幅の増大を抑止するために作られた演算方式である。 「区間演算」および「精度保証付き数値計算」も参照 (ja)
  • L'Aritmetica Affine (AA) è un modello di analisi numerica. In AA, le quantità vengono rappresentati come (forme affini) di alcune variabili primitive che esprimono l'incertezza dell'approssimazione dei dati durante un calcolo. L'aritmetica affine risulta particolarmente utile nei problemi in cui c'è necessità di garantire errori minimi dovuti ad arrotondamenti nei calcoli numerici a virgola mobile. Esempi tipici sono la risoluzione di , l'analisi di sistemi dinamici, la risoluzione di equazioni differenziali, ecc. (it)
  • Affine arithmetic (AA) is a model for self-validated numerical analysis. In AA, the quantities of interest are represented as affine combinations (affine forms) of certain primitive variables, which stand for sources of uncertainty in the data or approximations made during the computation. Affine arithmetic is meant to be an improvement on interval arithmetic (IA), and is similar to , first-order , the , and — in the sense that it is an automatic method to derive first-order guaranteed approximations to general formulas. (en)
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  • Affine arithmetic (en)
  • Aritmetica affine (it)
  • アフィン演算 (ja)
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