---
title: "*(_:_:)"
framework: createml
role: symbol
role_heading: Operator
path: "createml/mldatacolumn/*(_:_:)-4ilhj"
---

# *(_:_:)

Creates a column of doubles by multiplying each element of the given column by the given double.

## Declaration

```swift
static func * (a: MLDataColumn<Double>, b: Double) -> MLDataColumn<Double>
```

## Parameters

- `a`: A column of doubles.
- `b`: A double.

## Return Value

Return Value A new column of doubles.

## See Also

### Combining a column with a value to generate a column

- [+(_:_:)](createml/mldatacolumn/+(_:_:)-7tghu.md)
- [+(_:_:)](createml/mldatacolumn/+(_:_:)-4se2l.md)
- [-(_:_:)](createml/mldatacolumn/-(_:_:)-2sddu.md)
- [-(_:_:)](createml/mldatacolumn/-(_:_:)-9smok.md)
- [*(_:_:)](createml/mldatacolumn/*(_:_:)-2zih0.md)
- [/(_:_:)](createml/mldatacolumn/_(_:_:)-3ea6t.md)
- [/(_:_:)](createml/mldatacolumn/_(_:_:)-8k8ao.md)