Matrix<T>.GetNearestColumns<C> Method

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

Definition

Namespace: Numerics.NET
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.3

public Matrix<T> GetNearestColumns<C>(
	IEnumerable<C> keys,
	Direction direction
)

Visual Basic

Public Function GetNearestColumns(Of C) ( 
	keys As IEnumerable(Of C),
	direction As Direction
) As Matrix(Of T)

C++/CLI

public:
generic<typename C>
Matrix<T>^ GetNearestColumns(
	IEnumerable<C>^ keys, 
	Direction direction
)

member GetNearestColumns : 
        keys : IEnumerable<'C> * 
        direction : Direction -> Matrix<'T>

keys IEnumerable<C>: A sequence of indexes of the columns to return.
direction Direction: The direction to look for the key if an exact match is not found.

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.