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# MLMultiArray Implementations

## Topics

### Initializers

[`convenience init(byConcatenatingMultiArrays: [MLMultiArray], alongAxis: Int, dataType: MLMultiArrayDataType)`](/documentation/CoreML/MLMultiArray/init(byConcatenatingMultiArrays:alongAxis:dataType:))

Merges an array of multiarrays into one multiarray along an axis.

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