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Returns whether x
is a Keras tensor.
tf.keras.backend.is_keras_tensor(
x
)
A "Keras tensor" is a symbolic tensor, such as a tensor
that was created via Input()
. A "symbolic tensor"
can be understood as a placeholder -- it does not
contain any actual numerical data, only a shape and dtype.
It can be used for building Functional models, but it
cannot be used in actual computations.