Package org.flag4j.operations.dense_sparse.coo.complex

Class ComplexDenseSparseVectorOperations

java.lang.Object

org.flag4j.operations.dense_sparse.coo.complex.ComplexDenseSparseVectorOperations

public final class ComplexDenseSparseVectorOperations
extends Object

This class provides low level methods for computing operations between complex dense/sparse and complex sparse/dense vectors.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ComplexDenseSparseVectorOperations()

Method Summary

Modifier and Type	Method	Description
static CVector	add(CVector src1, CooCVector src2)	Computes the element-wise addition between a dense complex vector and sparse complex vectors.
static void	addEq(CVector src1, CooCVector src2)	Computes the element-wise addition between a dense complex vector and sparse complex vectors.
static CooCVector	elemDiv(CooCVector src1, CVector src2)	Compute the element-wise division between a complex sparse vector and a complex dense vector.
static CooCVector	elemMult(CVector src1, CooCVector src2)	Computes the element-wise multiplication of a complex dense vector with a complex sparse vector.
static CNumber	innerProduct(CNumber[] src1, int[] indices, int sparseSize, CNumber[] src2)	Computes the vector inner product between a complex dense vector and a complex sparse vector.
static CNumber	innerProduct(CNumber[] src1, CNumber[] src2, int[] indices, int sparseSize)	Computes the vector inner product between a complex dense vector and a complex sparse vector.
static CNumber[]	outerProduct(CNumber[] src2, int[] indices, int sparseSize, CNumber[] src1)	Computes the vector outer product between a complex dense vector and a real sparse vector.
static CNumber[]	outerProduct(CNumber[] src1, CNumber[] src2, int[] indices, int sparseSize)	Computes the vector outer product between a complex dense vector and a real sparse vector.
static CVector	sub(CVector src1, CooCVector src2)	Subtracts a complex sparse vector from a complex dense vector.
static CVector	sub(CooCVector src1, CVector src2)	Subtracts a complex dense vector from a complex sparse vector.
static void	subEq(CVector src1, CooCVector src2)	Computes the element-wise subtraction between a dense complex vector and sparse complex vectors.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ComplexDenseSparseVectorOperations

private ComplexDenseSparseVectorOperations()

Method Details

innerProduct

public static CNumber innerProduct(CNumber[] src1,
 CNumber[] src2,
 int[] indices,
 int sparseSize)

Computes the vector inner product between a complex dense vector and a complex sparse vector.

Parameters:

src1 - Entries of the dense vector.

src2 - Non-zero entries of the sparse vector.

indices - Indices of nonzero values in sparse vector.

sparseSize - Full size of the sparse vector (i.e. total number of entries including zeros).

Returns:

The inner product of the two vectors.

Throws:

IllegalArgumentException - If the number of entries in the two vectors is not equivalent.

innerProduct

public static CNumber innerProduct(CNumber[] src1,
 int[] indices,
 int sparseSize,
 CNumber[] src2)

Computes the vector inner product between a complex dense vector and a complex sparse vector.

Parameters:

src1 - Entries of the dense vector.

indices - Indices of nonzero values in sparse vector.

sparseSize - Full size of the sparse vector (i.e. total number of entries including zeros).

src2 - Non-zero entries of the sparse vector.

Returns:

The inner product of the two vectors.

Throws:

IllegalArgumentException - If the number of entries in the two vectors is not equivalent.

outerProduct

public static CNumber[] outerProduct(CNumber[] src1,
 CNumber[] src2,
 int[] indices,
 int sparseSize)

Computes the vector outer product between a complex dense vector and a real sparse vector.

Parameters:

src1 - Entries of the dense vector.

src2 - Non-zero entries of the sparse vector.

indices - Indices of non-zero entries of sparse vector.

Returns:

The matrix resulting from the vector outer product.

outerProduct

public static CNumber[] outerProduct(CNumber[] src2,
 int[] indices,
 int sparseSize,
 CNumber[] src1)

Computes the vector outer product between a complex dense vector and a real sparse vector.

Parameters:

src2 - Non-zero entries of the sparse vector.

indices - Indices of non-zero entries of sparse vector.

src1 - Entries of the dense vector.

Returns:

The matrix resulting from the vector outer product.

add

public static CVector add(CVector src1,
 CooCVector src2)

Computes the element-wise addition between a dense complex vector and sparse complex vectors.

Parameters:

src1 - Dense vector.

src2 - Sparse vector.

Returns:

The result of the vector addition.

addEq

public static void addEq(CVector src1,
 CooCVector src2)

Computes the element-wise addition between a dense complex vector and sparse complex vectors. The result is stored in the first vector.

Parameters:

src1 - Dense vector. Modified.

src2 - Sparse vector.

sub

public static CVector sub(CVector src1,
 CooCVector src2)

Subtracts a complex sparse vector from a complex dense vector.

Parameters:

src1 - First vector.

src2 - Second vector.

Returns:

The result of the vector subtraction.

Throws:

IllegalArgumentException - If the vectors do not have the same shape.

sub

public static CVector sub(CooCVector src1,
 CVector src2)

Subtracts a complex dense vector from a complex sparse vector.

Parameters:

src1 - Sparse vector.

src2 - Dense vector.

Returns:

The result of the vector subtraction.

Throws:

IllegalArgumentException - If the vectors do not have the same shape.

subEq

public static void subEq(CVector src1,
 CooCVector src2)

Computes the element-wise subtraction between a dense complex vector and sparse complex vectors. The result is stored in the first vector.

Parameters:

src1 - Dense vector. Modified.

src2 - Sparse vector.

elemMult

public static CooCVector elemMult(CVector src1,
 CooCVector src2)

Computes the element-wise multiplication of a complex dense vector with a complex sparse vector.

Parameters:

src1 - Dense vector.

src2 - Sparse vector.

Returns:

The result of the element-wise multiplication.

Throws:

IllegalArgumentException - If the two vectors are not the same size.

elemDiv

public static CooCVector elemDiv(CooCVector src1,
 CVector src2)

Compute the element-wise division between a complex sparse vector and a complex dense vector.

Parameters:

src1 - First vector in the element-wise division.

src2 - Second vector in the element-wise division.

Returns:

The result of the element-wise vector division.