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Featured image for article: Position Encodings: How AI Knows Where Words Are (And Why It Breaks at Long Lengths)
Mar 31, 2026 position encoding RoPE rotary embeddings ALiBi NTK scaling YaRN

Position Encodings: How AI Knows Where Words Are (And Why It Breaks at Long Lengths)

Transformers have no inherent notion of order. RoPE encodes relative positions via rotation matrices. Here's the full math from sinusoidal to NTK-aware scaling.