# ReduceJoin

public final class ReduceJoin

Joins a string Tensor across the given dimensions.

Computes the string join across dimensions in the given string Tensor of shape [\$$d_0, d_1, ..., d_{n-1}\$$]. Returns a new Tensor created by joining the input strings with the given separator (default: empty string). Negative indices are counted backwards from the end, with -1 being equivalent to n - 1. If indices are not specified, joins across all dimensions beginning from n - 1 through 0.

For example:

# tensor a is [["a", "b"], ["c", "d"]]
tf.reduce_join(a, 0) ==> ["ac", "bd"]
tf.reduce_join(a, 1) ==> ["ab", "cd"]
tf.reduce_join(a, -2) = tf.reduce_join(a, 0) ==> ["ac", "bd"]
tf.reduce_join(a, -1) = tf.reduce_join(a, 1) ==> ["ab", "cd"]
tf.reduce_join(a, 0, keep_dims=True) ==> [["ac", "bd"]]
tf.reduce_join(a, 1, keep_dims=True) ==> [["ab"], ["cd"]]
tf.reduce_join(a, 0, separator=".") ==> ["a.c", "b.d"]
tf.reduce_join(a, [0, 1]) ==> "acbd"
tf.reduce_join(a, [1, 0]) ==> "abcd"
tf.reduce_join(a, []) ==> [["a", "b"], ["c", "d"]]
tf.reduce_join(a) = tf.reduce_join(a, [1, 0]) ==> "abcd"


### Nested Classes

 class ReduceJoin.Options Optional attributes for  ReduceJoin 

### Constants

 String OP_NAME The name of this op, as known by TensorFlow core engine

### Public Methods

 Output < TString > () Returns the symbolic handle of the tensor. static ReduceJoin ( Scope scope, Operand < TString > inputs, Operand < TInt32 > reductionIndices, Options... options) Factory method to create a class wrapping a new ReduceJoin operation. static ReduceJoin.Options (Boolean keepDims) Output < TString > () Has shape equal to that of the input with reduced dimensions removed or set to 1 depending on keep_dims. static ReduceJoin.Options (String separator)

## Constants

#### public static final String OP_NAME

The name of this op, as known by TensorFlow core engine

Constant Value: "ReduceJoin"

## Public Methods

#### public Output < TString > asOutput ()

Returns the symbolic handle of the tensor.

Inputs to TensorFlow operations are outputs of another TensorFlow operation. This method is used to obtain a symbolic handle that represents the computation of the input.

#### public static ReduceJoin create ( Scope scope, Operand < TString > inputs, Operand < TInt32 > reductionIndices, Options... options)

Factory method to create a class wrapping a new ReduceJoin operation.

##### Parameters
 scope current scope The input to be joined. All reduced indices must have non-zero size. The dimensions to reduce over. Dimensions are reduced in the order specified. Omitting reduction_indices is equivalent to passing [n-1, n-2, ..., 0]. Negative indices from -n to -1 are supported. carries optional attributes values
##### Returns
• a new instance of ReduceJoin

#### public static ReduceJoin.Options keepDims (Boolean keepDims)

##### Parameters
 keepDims If True, retain reduced dimensions with length 1.

#### public Output < TString > output ()

Has shape equal to that of the input with reduced dimensions removed or set to 1 depending on keep_dims.

#### public static ReduceJoin.Options separator (String separator)

##### Parameters
 separator The separator to use when joining.
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