tensorflow_backend.py 文件源码

python
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项目:deep-learning-keras-projects 作者: jasmeetsb 项目源码 文件源码
def zeros_like(x, dtype=None, name=None):
    """Instantiates an all-zeros Keras variable
    of the same shape as another Keras variable or tensor and returns it.

    # Arguments
        x: Keras variable or Keras tensor.
        dtype: String, dtype of returned Keras variable.
             None uses the dtype of x.

    # Returns
        A Keras variable with the shape of x filled with zeros.

    # Example
    ```python
        >>> from keras import backend as K
        >>> kvar = K.variable(np.random.random((2,3)))
        >>> kvar_zeros = K.zeros_like(kvar)
        >>> K.eval(kvar_zeros)
        array([[ 0.,  0.,  0.],
               [ 0.,  0.,  0.]], dtype=float32)
"""
return tf.zeros_like(x, dtype=dtype, name=name)

```

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