Activation functions in Neural Networks (NNs) play a crucial role in introducing non-linearity to the model. They help the network learn complex relationships between inputs and outputs. Common activation functions include: 1. *Sigmoid*: Maps inputs to a value between 0 and 1, useful for binary classification. 2. *ReLU (Rectified Linear Unit)*: Maps negative values to 0 and positive values to the same value, widely used in hidden layers. 3. *Tanh (Hyperbolic Tangent)*: Similar to sigmoid, but maps inputs to a value between -1 and 1. 4. *Softmax*: Often used in output layers for multi-class classification, as it outputs probabilities for each class. Activation functions help the network: 1. Learn non-linear relationships 2. Avoid linear stacking of layers 3. Improve training and convergence Would you like more details or specific information on activation functions?

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What is Activation Function in NN

Saurabh Prajapati

Activation Function

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