cosine(u, v, w=None)
The Cosine distance between u and v, is defined as
where $u \cdot v$ is the dot product of $u$ and $v$ .
Input array.
Input array.
The weights for each value in u and v. Default is None, which gives each value a weight of 1.0
Compute the Cosine distance between 1-D arrays.
>>> from scipy.spatial import distance
... distance.cosine([1, 0, 0], [0, 1, 0]) 1.0
>>> distance.cosine([100, 0, 0], [0, 1, 0]) 1.0
>>> distance.cosine([1, 1, 0], [0, 1, 0]) 0.29289321881345254See :
The following pages refer to to this document either explicitly or contain code examples using this.
scipy.spatial.distance.cosine
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