Exploration Temperature Decay

Problem

Decay an exploration temperature geometrically and floor it at min_temp.

Return max(min_temp, start * decay^step).

Hint

The floor keeps some exploration alive no matter how long training runs.

case 1

in: [0,1,0.9,0.1]

expected: 1

case 2

in: [5,1,0.9,0.1]

expected: 0.5904900000000001

case 3

in: [20,1,0.9,0.1]

expected: 0.12157665459056935

case 4

in: [100,1,0.9,0.1]

expected: 0.1

Starter codePython

def temperature_decay(step, start, decay, min_temp):
    # Your code here
    pass

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