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Evaluates the value of a variable.
Aliases:
tf.keras.backend.eval(x)
Arguments:
x: A variable.
Returns:
A Numpy array.
Examples:
>>> from keras import backend as K
>>> kvar = K.variable(np.array([[1, 2], [3, 4]]), dtype='float32')
>>> K.eval(kvar)
array([[ 1., 2.],
[ 3., 4.]], dtype=float32)