# tf.keras.backend.ndim

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|---|---|
| [![](https://www.tensorflow.org/images/tf_logo_32px.png) TensorFlow 1 version](https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/keras/backend/ndim) | [![](https://www.tensorflow.org/images/GitHub-Mark-32px.png) View source on GitHub](https://github.com/tensorflow/tensorflow/blob/v2.1.0/tensorflow/python/keras/backend.py#L1180-L1205) |

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

#### View aliases


**Compat aliases for migration**

See
[Migration guide](https://www.tensorflow.org/guide/migrate) for
more details.

[`tf.compat.v1.keras.backend.ndim`](https://www.tensorflow.org/api_docs/python/tf/keras/backend/ndim)

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    tf.keras.backend.ndim(
        x
    )

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| ## Arguments ||
|---|---|
| `x` | Tensor or variable. |

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| ## Returns ||
|---|---|
| Integer (scalar), number of axes. ||

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#### Examples:

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