Developer`
Developer`
PackedArrayQ
PackedArrayQ[expr]
returns True if expr is a packed array in its internal representation, and returns False otherwise.
PackedArrayQ[expr,type]
returns True if expr is a packed array of objects of the specified type.
PackedArrayQ[expr,type,rank]
returns True if expr is a packed array of the specified rank.
更多信息和选项
- To use PackedArrayQ, you first need to load the Developer Utilities Package using Needs["Developer`"].
- Supported types are Integer, Real, and Complex.