What is the role of the loss function in a neural network?

Practice Questions

Q1
What is the role of the loss function in a neural network?
  1. To measure the accuracy of predictions
  2. To calculate the gradients for backpropagation
  3. To initialize the weights
  4. To determine the architecture of the network

Questions & Step-by-Step Solutions

What is the role of the loss function in a neural network?
  • Step 1: Understand that a neural network makes predictions based on input data.
  • Step 2: Know that the actual target values are the correct answers we want the network to predict.
  • Step 3: The loss function measures the difference between the network's predictions and the actual target values.
  • Step 4: A smaller loss value means the predictions are closer to the actual values, while a larger loss means they are further away.
  • Step 5: The loss function helps the neural network learn by guiding how to adjust its internal parameters (weights) to improve predictions.
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