NMathFunctionsGather(FloatVector, Int32, IndexArray) Method

Gathers the specified elements of a dense vector into a compressed sparse vector. The routine references only the elements of y whose indices are listed in the array indices.

Namespace: CenterSpace.NMath.Core
Assembly: NMath (in NMath.dll) Version: 7.4

Syntax

C++

Copy

public static FloatSparseVector Gather(
	FloatVector y,
	int nnz,
	IndexArray indices
)

Public Shared Function Gather ( 
	y As FloatVector,
	nnz As Integer,
	indices As IndexArray
) As FloatSparseVector

public:
static FloatSparseVector^ Gather(
	FloatVector^ y, 
	int nnz, 
	IndexArray^ indices
)

static member Gather : 
        y : FloatVector * 
        nnz : int * 
        indices : IndexArray -> FloatSparseVector

Parameters

y FloatVector: Full storage sparse vector.
nnz Int32: The number of elements of y to be gathered.
indices IndexArray: Specifies the indices of elements to be gathered.

Return Value

FloatSparseVector
The vector converted to compressed storage.

Reference

NMathFunctions Class

Gather Overload

CenterSpace.NMath.Core Namespace