On the stability of a cubic functional equation (Q960626)
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scientific article; zbMATH DE number 5485341
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the stability of a cubic functional equation |
scientific article; zbMATH DE number 5485341 |
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On the stability of a cubic functional equation (English)
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5 January 2009
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The authors consider the functional equation \[ 2f(x+2y)+f(2x-y)=5f(x+y)+5f(x-y)+15f(y). \] They determine the general solution and the generalized Hyers-Ulam-Rassias stability of the functional equation.
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Hyers-Ulam-Rassias stability
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cubic functional equation
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0.9806914
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0.9770283
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0.9762374
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0.9637893
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0.9628017
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