RBF Feature Activation

Problem

Evaluate a Gaussian radial basis function: exp(-||x - center||^2 / (2 * sigma^2)).

Hint

Sigma controls how quickly the activation decays with distance.

case 1

in: [[0,0],[0,0],1]

expected: 1

case 2

in: [[1,0],[0,0],1]

expected: 0.6065306597126334

case 3

in: [[1,1],[0,0],2]

expected: 0.7788007830714049

case 4

in: [[2,0],[0,0],1]

expected: 0.1353352832366127

Starter codePython

import math
def rbf_activation(x, center, sigma):
    # Your code here
    pass

4 test cases · run your code against them in the editor