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tf.keras.backend.to_dense

TensorFlow 2 version View source on GitHub

Converts a sparse tensor into a dense tensor and returns it.

tensor A tensor instance (potentially sparse).

A dense tensor.

Examples:

from keras import backend as K
b = K.placeholder((2, 2), sparse=True)
print(K.is_sparse(b))
True
c = K.to_dense(b)
print(K.is_sparse(c))
False