What is the primary function of an activation function in a neural network?

Practice Questions

Q1
What is the primary function of an activation function in a neural network?
  1. To initialize weights
  2. To introduce non-linearity
  3. To optimize the learning rate
  4. To reduce overfitting

Questions & Step-by-Step Solutions

What is the primary function of an activation function in a neural network?
  • Step 1: Understand that a neural network is a model that learns from data.
  • Step 2: Know that the model makes predictions based on input data.
  • Step 3: Realize that without activation functions, the model can only learn simple patterns (like straight lines).
  • Step 4: Learn that activation functions add non-linearity, which means the model can learn more complex patterns (like curves).
  • Step 5: Conclude that the primary function of an activation function is to help the model learn these complex patterns.
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