tf.keras.losses.cosine
Computes the cosine similarity between labels and predictions.
tf.keras.losses.cosine( y_true, y_pred, axis=-1 )
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Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/keras/losses/cosine