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# reductionSum(with:axis:name:)

Creates a reduction sum operation and returns the result tensor.

```
func reductionSum(with tensor: MPSGraphTensor, axis: Int, name: String?) -> MPSGraphTensor
```

## Parameters

`tensor`

input tensor

`axis`

axis of reduction

`name`

name for the operation

## Return Value

A valid MPSGraphTensor object.

---

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