Activation function in Neural network | Explained in 90 seconds ЁЯШ│

8 Apr 2026 ┬╖ 2 min
1:36

An activation function is a decision gate that tells a neuron whether to fire, introducing non-linearity so neural networks can learn complex patterns instead of behaving like a single straight line. ReLU and Leaky ReLU are the most popular ones used in practice.

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