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Obsidian-Vault/AI Linear Algebra/Cosine Similarity.md

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The cosine similarity is a way to measure the similarity of [[Vectors]]. It is defined as: $$cos(𝐱,𝐲)=\Biggl \langle\frac{𝐱}{‖𝐱‖},\frac{𝐲}{‖𝐲‖} \Biggr \rangle$$
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