tf.keras.backend.ndim

TensorFlow 1 version View source on GitHub

Returns the number of axes in a tensor, as an integer.

x Tensor or variable.

Integer (scalar), number of axes.

Examples:

    from keras import backend as K
    input = K.placeholder(shape=(2, 4, 5))
    val = np.array([[1, 2], [3, 4]])
    kvar = K.variable(value=val)
    K.ndim(input)
        3
    K.ndim(kvar)
        2