How to find Cosine Distance in shogun

In this recipe, we shall go through the steps that will help us find Cosine Distance in shogun. We shall also see an example for the same.

Recipe Objective: How to find Cosine Distance in shogun?

This recipe explains how to find Cosine Distance in shogun.
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Cosine Distance

The Cosine distance for real-valued features Z and Z1 is the similarity as measured by their angle.

a = RealFeatures(feats_a)
b = RealFeatures(feats_b)
d = CosineDistance(a, a)
aa = d.get_distance_matrix()
d.init(a, b)
ab = d.get_distance_matrix()

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