Understanding Transformers Part 2: Positional Encoding with Sine and Cosine

📰 Dev.to · Rijul Rajesh

Learn how transformers use positional encoding with sine and cosine to preserve sequence order in embeddings

intermediate Published 6 Apr 2026
Action Steps
  1. Convert word embeddings into numerical representations
  2. Apply positional encoding using sine and cosine functions to preserve sequence order
  3. Visualize the encoded embeddings to understand the impact of positional encoding
  4. Implement positional encoding in a transformer model using a library like PyTorch or TensorFlow
  5. Experiment with different encoding schemes to compare their effects on model performance
Who Needs to Know This

NLP engineers and researchers can benefit from understanding positional encoding to improve their transformer-based models

Key Insight

💡 Positional encoding with sine and cosine helps transformers preserve sequence order in embeddings, enabling better understanding of contextual relationships

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🤖 Learn how transformers use positional encoding with sine and cosine to preserve sequence order in embeddings! #transformers #NLP

Key Takeaways

Learn how transformers use positional encoding with sine and cosine to preserve sequence order in embeddings

Full Article

In the previous article, we converted words into embeddings. Now let’s see how transformers add...
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