Construct a new tensor by repeating ``x`` the number of times given by the parameter ``repeat_times``.
The rank of ``x`` should be less than or equal to 6, and the size of the shape of ``repeat_times`` should
be less than or equal to 6.
If the size of the parameter ``repeat_times`` is ``d``, and the rank for ``x`` is ``r``, then the number
of dimensions for the result is ``max(d, r)``.
If ``r < d``, ``x`` if first promoted to a d-dimensional tensor by inserting new axes at the beginning.
For example, a tensor ``x`` with the shape(3,) is promoted to a 2-D tensor with the shape (1, 3) if ``d`` is 2
and a 3-D tensor with the shape(1, 1, 3) if ``d`` is 3.
If ``r > d``, ``repeat_times`` is first promoted by inserting 1's at the beginning.
For example, if the tensor ``x`` is with a shape(4, 3, 2, 2) and ``repeat_times`` is a tuple (3, 2),
``repeat_times`` is first promoted to a tuple (1, 1, 3, 2).
The following gives an using case:
.. code-block:: text
Input(x) is a 3-D tensor of shape (2, 3, 1):
[
[[1], [2], [3]],
[[4], [5], [6]]
]
Attr(repeat_times): [1, 2, 2]
Output(out) is a 3-D tensor of shape (2, 6, 2):
[
[[1, 1], [2, 2], [3, 3], [1, 1], [2, 2], [3, 3]],
[[4, 4], [5, 5], [6, 6], [4, 4], [5, 5], [6, 6]]
]
Construct a new Tensor by repeating ``x`` the number of times given by ``repeat_times``.
After tiling, the number of elements of the i'th dimension of the output is equal to ``x.dims[i] * repeat_times[i]``.
Both the number of dimensions of ``x`` and the number of elements in ``repeat_times`` should be less than or equal to 6.
Args:
x (Tensor): The input tensor, its data type should be bool, float32, float64, int32. The rank of ``x`` should be in [1, 6].
repeat_times (Tensor|tuple|list): The number of repeating times for each dimension of the input ``x``. If repeat_times is a list or tuple, the elements of
it should be integers or Tensors with shape [1]. If repeat_times is Tensor, it should be an 1-D Tensor. The size of its shape should be in [1, 6].
name (str, optional): Name for the operation (optional, default is None). For more information, please refer to :ref:`api_guide_Name` .
x (Tensor): The input tensor, its data type should be bool, float32, float64, int32 or int64.
repeat_times (Tensor|tuple|list): The number of repeating times. If repeat_times is a list or tuple, all its elements
should be integers or 1-D Tensors with the data type int32. If repeat_times is a Tensor, it should be an 1-D Tensor with the data type int32.
name (str, optional): Name for the operation (optional, default is None). For more information, please refer to :ref:`api_guide_Name`.
Returns:
N-D Tensor. The data type is the same as ``x``. After tiling, each dimension of the output is equal to the corresponding dimension of ``x`` multiplying the corresponding value given by ``repeat_times`` .
Raises:
TypeError: The type of ``repeat_times`` must be list, tuple or Tensor.
ValueError: The elements of ``repeat_times`` cannot be negative.
Expand the input tensor ``x`` to the same shape as the input tensor ``y``.
Both the number of dimensions of ``x`` and ``y`` must be less than or equal to 6, and the number of dimensions of ``y`` must be greather than or equal to that of ``x``. The dimension to expand must have a value of 1.
Args:
x (Tensor): The input tensor, its data type is bool, float32, float64, int32 or int64.
y (Tensor): The input tensor gives the shape that ``x`` to expand to.
name (str, optional): The default value is None. Normally there is no need for user to set this property. For more information, please refer to :ref:`api_guide_Name`.
Returns:
N-D Tensor: A Tensor with the same shape as ``y``. The data type is the same as ``x``.
The rank of ``x`` should be less than or equal to 6, and the number of elements in ``shape`` should also be less than or equal to 6. The size of the dimension to expand must be 1.
Both the number of dimensions of ``x`` and the number of elements in ``shape`` should be less than or equal to 6. The dimension to expand must have a value 1.
Args:
x (Tensor): The input Tensor with rank in [1, 6]. The data type is bool, float32, float64 or int32.
shape (list|tuple|Tensor): The result shape after expanding. The data type is int32. If shape is a list or tuple, all elements of
it should be integers or Tensors with shape (1,). If shape is a Tensor, it should be an 1-D Tensor.
The value -1 in shape, means keeping the corresponding dimension unchanged.
x (Tensor): The input tensor, its data type is bool, float32, float64, int32 or int64.
shape (list|tuple|Tensor): The result shape after expanding. The data type is int32. If shape is a list or tuple, all its elements
should be integers or 1-D Tensors with the data type int32. If shape is a Tensor, it should be an 1-D Tensor with the data type int32.
The value -1 in shape means keeping the corresponding dimension unchanged.
name (str, optional): The default value is None. Normally there is no need for user to set this property. For more information, please refer to :ref:`api_guide_Name` .
Returns:
Tensor: A Tensor with the given shape. The data type is the same as ``x``.
Raises:
TypeError: The type of ``shape`` must be list, tuple or Variable.
ValueError: The elements of ``shape`` must be positive or -1.
N-D Tensor: A Tensor with the given shape. The data type is the same as ``x``.
