tf.keras.backend.eye

Instantiate an identity matrix and returns it.

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Compat aliases for migration

See Migration guide for more details.

tf.compat.v1.keras.backend.eye

tf.keras.backend.eye(
    size, dtype=None, name=None
)

Arguments
size	Integer, number of rows/columns.
dtype	String, data type of returned Keras variable.
name	String, name of returned Keras variable.

Returns
A Keras variable, an identity matrix.

Example:

kvar = tf.keras.backend.eye(3)
tf.keras.backend.eval(kvar)
array([[1.,  0.,  0.],
       [0.,  1.,  0.],
       [0.,  0.,  1.]], dtype=float32)