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Positional Encoding Explained: How Transformers Understand Word Order
Last Updated: December 10, 2025
Ashish Pratap Singh
7 min read
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Positional Encoding Explained: How Transformers Un...
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Why Transformers Need Positional Information
The Solution: Add Position to Embeddings
Approach 1: Sinusoidal Positional Encoding
Approach 2: Learned Positional Embeddings
Approach 3: Rotary Position Embedding (RoPE)
Approach 4: ALiBi (Attention with Linear Biases)...
Comparing Positional Encoding Methods
Position Encoding in Practice
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