SparseLinearAlgebraOperations.MultiplyAndAddInPlace Method

Definition

Namespace: Numerics.NET.LinearAlgebra.Implementation
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.1.5

Overload List

MultiplyAndAddInPlace(TransposeOperation, Int32, Int32, T, MatrixStructure, MatrixTriangle, MatrixDiagonal, ReadOnlySpan<T>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<T>, Int32, T, Span<T>, Int32)	Multiplies a dense vector by a sparse matrix in Compressed Sparse Column (CSC) format.
MultiplyAndAddInPlace(TransposeOperation, Int32, Int32, Complex<T>, MatrixStructure, MatrixTriangle, MatrixDiagonal, ReadOnlySpan<Complex<T>>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Complex<T>>, Int32, Complex<T>, Span<Complex<T>>, Int32)	Multiplies a dense vector by a sparse matrix in Compressed Sparse Column (CSC) format.
MultiplyAndAddInPlace(TransposeOperation, Int32, Int32, Int32, Double, MatrixStructure, MatrixTriangle, MatrixDiagonal, ReadOnlySpan<Double>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Double>, Int32, Double, Span<Double>, Int32)	Multiplies a dense matrix by a sparse matrix in Compressed Sparse Column (CSC) format.
MultiplyAndAddInPlace(TransposeOperation, Int32, Int32, Int32, Complex<T>, MatrixStructure, MatrixTriangle, MatrixDiagonal, ReadOnlySpan<Complex<T>>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Complex<T>>, Int32, Complex<T>, Span<Complex<T>>, Int32)	Multiplies a dense matrix by a sparse matrix in Compressed Sparse Column (CSC) format.

MultiplyAndAddInPlace(TransposeOperation, Int32, Int32, Int32, Double, MatrixStructure, MatrixTriangle, MatrixDiagonal, ReadOnlySpan<Double>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Double>, Int32, Double, Span<Double>, Int32)

Multiplies a dense matrix by a sparse matrix in Compressed Sparse Column (CSC) format.

public override void MultiplyAndAddInPlace(
	TransposeOperation transA,
	int m,
	int n,
	int k,
	double alpha,
	MatrixStructure structure,
	MatrixTriangle storedTriangle,
	MatrixDiagonal matrixDiagonal,
	ReadOnlySpan<double> a,
	ReadOnlySpan<int> aRows,
	ReadOnlySpan<int> aPointerB,
	ReadOnlySpan<int> aPointerE,
	ReadOnlySpan<double> b,
	int ldb,
	double beta,
	Span<double> c,
	int ldc
)

Visual Basic

Public Overrides Sub MultiplyAndAddInPlace ( 
	transA As TransposeOperation,
	m As Integer,
	n As Integer,
	k As Integer,
	alpha As Double,
	structure As MatrixStructure,
	storedTriangle As MatrixTriangle,
	matrixDiagonal As MatrixDiagonal,
	a As ReadOnlySpan(Of Double),
	aRows As ReadOnlySpan(Of Integer),
	aPointerB As ReadOnlySpan(Of Integer),
	aPointerE As ReadOnlySpan(Of Integer),
	b As ReadOnlySpan(Of Double),
	ldb As Integer,
	beta As Double,
	c As Span(Of Double),
	ldc As Integer
)

C++/CLI

public:
virtual void MultiplyAndAddInPlace(
	TransposeOperation transA, 
	int m, 
	int n, 
	int k, 
	double alpha, 
	MatrixStructure structure, 
	MatrixTriangle storedTriangle, 
	MatrixDiagonal matrixDiagonal, 
	ReadOnlySpan<double> a, 
	ReadOnlySpan<int> aRows, 
	ReadOnlySpan<int> aPointerB, 
	ReadOnlySpan<int> aPointerE, 
	ReadOnlySpan<double> b, 
	int ldb, 
	double beta, 
	Span<double> c, 
	int ldc
) override

abstract MultiplyAndAddInPlace : 
        transA : TransposeOperation * 
        m : int * 
        n : int * 
        k : int * 
        alpha : float * 
        structure : MatrixStructure * 
        storedTriangle : MatrixTriangle * 
        matrixDiagonal : MatrixDiagonal * 
        a : ReadOnlySpan<float> * 
        aRows : ReadOnlySpan<int> * 
        aPointerB : ReadOnlySpan<int> * 
        aPointerE : ReadOnlySpan<int> * 
        b : ReadOnlySpan<float> * 
        ldb : int * 
        beta : float * 
        c : Span<float> * 
        ldc : int -> unit 
override MultiplyAndAddInPlace : 
        transA : TransposeOperation * 
        m : int * 
        n : int * 
        k : int * 
        alpha : float * 
        structure : MatrixStructure * 
        storedTriangle : MatrixTriangle * 
        matrixDiagonal : MatrixDiagonal * 
        a : ReadOnlySpan<float> * 
        aRows : ReadOnlySpan<int> * 
        aPointerB : ReadOnlySpan<int> * 
        aPointerE : ReadOnlySpan<int> * 
        b : ReadOnlySpan<float> * 
        ldb : int * 
        beta : float * 
        c : Span<float> * 
        ldc : int -> unit

Parameters

transA TransposeOperation: Specifies the operation to be performed on the matrix a.
m Int32: The number of rows in the matrix a.
n Int32: The number of columns in the matrix c.
k Int32: The number of columns in the matrix a.
alpha Double: The scalar used to multiply the matrix-matrix product.
structure MatrixStructure: A MatrixStructure value that specifies the structure of the matrix.
storedTriangle MatrixTriangle: A MatrixTriangle value that specifies whether the matrix is upper or lower triangular.
matrixDiagonal MatrixDiagonal: A MatrixDiagonal value that indicates whether the diagonal elements are all 1 or not.
a ReadOnlySpan<Double>: A span that contains the elements of the matrix.
aRows ReadOnlySpan<Int32>: Integer array that contains the 1-based row indices of the corresponding elements of a.
aPointerB ReadOnlySpan<Int32>: Integer array of length n containing the 1-based indices into a of the first component of each column.
aPointerE ReadOnlySpan<Int32>: Integer array of length n containing the 1-based indices into a of the first component of each column.
b ReadOnlySpan<Double>: A reference to a one-dimensional array containing the elements of the matrix b.
ldb Int32: The leading dimension of the matrix b.
beta Double: The scalar used to multiply c.
c Span<Double>: A reference to a one-dimensional array containing the elements of the matrix c. The elements of c are overwritten with the result.
ldc Int32: The leading dimension of the matrix c.

Implements

ISparseLinearAlgebraOperations<T>.MultiplyAndAddInPlace(TransposeOperation, Int32, Int32, Int32, T, MatrixStructure, MatrixTriangle, MatrixDiagonal, ReadOnlySpan<T>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<T>, Int32, T, Span<T>, Int32)
ISparseLinearAlgebraOperations<T>.MultiplyAndAddInPlace(TransposeOperation, Int32, Int32, Int32, T, MatrixStructure, MatrixTriangle, MatrixDiagonal, ReadOnlySpan<T>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<Int32>, ReadOnlySpan<T>, Int32, T, Span<T>, Int32)