Matrix<T>.GetColumns<C>(IEnumerable<C>) Method

Returns a new matrix that contains only the columns in the specified sequence.

Definition

Namespace: Extreme.Mathematics
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

public Matrix<T> GetColumns<C>(
	IEnumerable<C> keys
)

Visual Basic

Public Function GetColumns(Of C) ( 
	keys As IEnumerable(Of C)
) As Matrix(Of T)

C++/CLI

public:
generic<typename C>
Matrix<T>^ GetColumns(
	IEnumerable<C>^ keys
)

member GetColumns : 
        keys : IEnumerable<'C> -> Matrix<'T>

Matrix<T>
A new matrix containing only the columns whose key is in keys.

ArgumentNullException	keys is null.
InvalidOperationException	The matrix does not have a column index.
InvalidCastException	The element type of the column index is not C.