On the stability of a system of functional equations characterizing generalized hyperbolic and trigonometric functions (Q1801347)
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scientific article; zbMATH DE number 202390
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the stability of a system of functional equations characterizing generalized hyperbolic and trigonometric functions |
scientific article; zbMATH DE number 202390 |
Statements
On the stability of a system of functional equations characterizing generalized hyperbolic and trigonometric functions (English)
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18 July 1993
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The stability properties of a system of functional equations generalizing the addition and subtraction formulae for the hyperbolic functions sinh and cosh are investigated. The general solution of a system of equations characterizing certain generalizations of trigonometric functions is also given.
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stability
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system of functional equations
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hyperbolic functions
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trigonometric functions
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