##  [Radial Basis Function](/radial-basis-function) 

  ##  [Radial Basis Function](https://natural.quantumdictionary.io/radial-basis-function-0) 

  

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**Natural & Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A radial basis function (RBF) is any function phi(r) whose value depends only on the radial distance r = ||x - c|| from a center c; RBFs are used as isotropic basis kernels for interpolation, approximation, and meshfree methods.