兒童搞笑樂孤獨,貪吃的小丫頭等
Cosine similarity - Wikipedia, the free encyclopedia兒童搞笑樂孤獨,貪吃的小丫頭等 Definition The cosine of two vectors can be derived by using the Euclidean dot product formula: Given two vectors of attributes, A and B, the cosine similarity, cos(θ), is represented using a dot product and magnitude as, where and are components of vecto...
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