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On New Means with Interesting Practical Applications: Generalized Power Means

Author

Listed:
  • Sergio Amat

    (Departamento de Matemática Aplicada y Estadística, Universidad Politécnica de Cartagena, 30202 Cartagena, Spain)

  • Alberto Magreñan

    (Departamento de Matemáticas y Computación, Universidad de La Rioja, 93, 26006 Logrono, Spain)

  • Juan Ruiz

    (Departamento de Matemática Aplicada y Estadística, Universidad Politécnica de Cartagena, 30202 Cartagena, Spain)

  • Juan Carlos Trillo

    (Departamento de Matemática Aplicada y Estadística, Universidad Politécnica de Cartagena, 30202 Cartagena, Spain)

  • Dionisio F. Yañez

    (Departamento de Matemáticas, Universidad de Valencia, 13, 46010 Valencia, Spain)

Abstract

Means of positive numbers appear in many applications and have been a traditional matter of study. In this work, we focus on defining a new mean of two positive values with some properties which are essential in applications, ranging from subdivision and multiresolution schemes to the numerical solution of conservation laws. In particular, three main properties are crucial—in essence, the ideas of these properties are roughly the following: to stay close to the minimum of the two values when the two arguments are far away from each other, to be quite similar to the arithmetic mean of the two values when they are similar and to satisfy a Lipchitz condition. We present new means with these properties and improve upon the results obtained with other means, in the sense that they give sharper theoretical constants that are closer to the results obtained in practical examples. This has an immediate correspondence in several applications, as can be observed in the section devoted to a particular example.

Suggested Citation

  • Sergio Amat & Alberto Magreñan & Juan Ruiz & Juan Carlos Trillo & Dionisio F. Yañez, 2021. "On New Means with Interesting Practical Applications: Generalized Power Means," Mathematics, MDPI, vol. 9(9), pages 1-12, April.
    • Handle: RePEc:gam:jmathe:v:9:y:2021:i:9:p:925-:d:540610
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