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cntk:times

cntk:times(
   $left-operand as cntk:variable,
   $right-operand as cntk:variable,
   $output-rank as xs:integer,
   $infer-input-rank-to-map as xs:integer,
   $name as xs:string
) as cntk:function

Summary

The output of this operation is the matrix product of the two input matrices. It supports broadcasting. Sparse is supported in the left operand, if it is a matrix. The operator ‘@’ has been overloaded such that in Python 3.5 and later X @ W equals times(X, W).

Parameters
$left-operand The left operand of the operation.
$right-operand The right operand of the operation.
$output-rank In case we have tensors as arguments, output_rank represents the number of axes to be collapsed in order to transform the tensors into matrices, perform the operation and then reshape back (explode the axes)
$infer-input-rank-to-map Meant for internal use only. Always use default value.
$name The name of the function instance in the network.

Example

  let $input-variable1 := cntk:input-variable(cntk:shape((3)), "float",
    fn:false(), fn:false(), "feature")
  let $input-variable2 := cntk:input-variable(cntk:shape((3)), "float",
    fn:false(), fn:false(), "feature")
  return cntk:times($input-variable1, $input-variable2, 1, -1)
  => cntk:function(Composite Times (Input(Name(feature), Shape([3]),
  Dynamic Axes([Sequence Axis(Default Dynamic Axis), Batch Axis(Default Batch Axis)])),
  Input(Name(feature), Shape([3]), Dynamic Axes([Sequence Axis(Default Dynamic Axis),
  Batch Axis(Default Batch Axis)]))))

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