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GLOSSARY · W

What Is Weight Initialization?

DEFINITION

Weight initialization means assigning starting numerical values to the weights in a neural network. It determines how information flows through the network. A weight represents how much influence each input has on the model’s prediction.

Done correctly, weight initialization allows a neural network to learn well. Common methods such as Xavier initialization and He initialization suit different activation functions.

Importance

  • Allows neural networks to train effectively.
  • Lowers the chance of vanishing or exploding gradients.
  • Helps the model converge faster.
  • Makes training more stable.

When to use it

  • Deep neural networks.
  • Computer vision.
  • Natural language processing.
  • Deep learning.
  • Improving model performance during experiments.

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