# /=(_:_:) Modifies a floating-point column by dividing each element in the column by the corresponding optional value in a collection. ``` static func /= (lhs: inout Column, rhs: C) where WrappedElement : FloatingPoint, C : Collection, C.Element == WrappedElement? ``` ## Parameters `lhs` A column. `rhs` A collection that contains elements of the same type as the column’s elements. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)