Package org.flag4j.operations.dense_sparse.coo.real_complex

Class RealComplexDenseSparseVectorOperations

java.lang.Object

org.flag4j.operations.dense_sparse.coo.real_complex.RealComplexDenseSparseVectorOperations

public final class RealComplexDenseSparseVectorOperations
extends Object

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

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RealComplexDenseSparseVectorOperations()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Details

RealComplexDenseSparseVectorOperations

private RealComplexDenseSparseVectorOperations()

Method Details

inner

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

Computes the vector inner product between a real 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 non-zero entries in the sparse vector.

sparseSize - The size of the sparse vector (including zero entries).

Returns:

The inner product of the two vectors.

Throws:

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

inner

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

Computes the vector inner 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 in the sparse vector.

sparseSize - The size of the sparse vector (including zero entries).

Returns:

The inner product of the two vectors.

Throws:

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

inner

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

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

Parameters:

src1 - Non-zero entries of the sparse vector.

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

sparseSize - The size of the sparse vector (including zero entries).

src2 - Entries of the dense 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(double[] src1,
 CNumber[] src2,
 int[] indices,
 int sparseSize)

Computes the vector outer product between a real 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 non-zero entries of sparse vector.

sparseSize - Full size of the sparse vector including zero entries.

Returns:

The matrix resulting from the vector outer product.

outerProduct

public static CNumber[] outerProduct(CNumber[] src1,
 double[] 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.

sparseSize - Full size of the sparse vector including zero entries.

Returns:

The matrix resulting from the vector outer product.

outerProduct

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

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

Parameters:

src1 - Non-zero entries of the real sparse vector.

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

sparseSize - Full size of the sparse vector including zero entries.

src2 - Entries of the complex dense vector.

Returns:

The matrix resulting from the vector outer product.

outerProduct

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

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

Parameters:

src1 - Non-zero entries of the complex sparse vector.

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

sparseSize - Full size of the sparse vector including zero entries.

src2 - Entries of the real dense vector.

Returns:

The matrix resulting from the vector outer product.

add

public static CVector add(Vector src1,
 CooCVector src2)

Adds a real dense matrix to a complex sparse matrix.

Parameters:

src1 - First matrix.

src2 - Second matrix.

Returns:

The result of the vector addition.

Throws:

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

add

public static CVector add(CVector src1,
 CooVector src2)

Adds a complex dense matrix to a real sparse matrix.

Parameters:

src1 - First matrix.

src2 - Second matrix.

Returns:

The result of the vector addition.

Throws:

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

sub

public static CVector sub(Vector src1,
 CooCVector src2)

Subtracts a complex sparse vector from a real 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,
 Vector 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.

sub

public static CVector sub(CooVector 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.

elemMult

public static CooCVector elemMult(Vector src1,
 CooCVector src2)

Computes the element-wise multiplication of a real 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.

sub

public static CVector sub(CVector src1,
 CooVector src2)

Subtracts a real 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.

addEq

public static void addEq(CVector src1,
 CooVector src2)

Computes the vector addition between a dense complex vector and a sparse real vector. The result is stored in the first vector.

Parameters:

src1 - First vector to add. Also, where the result is stored.

src2 - Second vector to add.

Throws:

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

subEq

public static void subEq(CVector src1,
 CooVector src2)

Computes the vector subtraction between a dense complex vector and a real sparse vector. The result is stored in the first vector.

Parameters:

src1 - First vector in subtraction.

src2 - Second vector in subtraction.

elemMult

public static CooCVector elemMult(CVector src1,
 CooVector src2)

Computes the element-wise multiplication of a complex dense vector with a real 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,
 Vector src2)

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

elemDiv

public static CooCVector elemDiv(CooVector src1,
 CVector src2)

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