Package org.ejml.sparse.csc.misc

Class ImplCommonOps_FSCC

java.lang.Object

org.ejml.sparse.csc.misc.ImplCommonOps_FSCC

@Generated("org.ejml.sparse.csc.misc.ImplCommonOps_DSCC")
public class ImplCommonOps_FSCC
extends Object

Implementation class. Not recommended for direct use. Instead use CommonOps_FSCC instead.

Constructor Summary

Constructors

Constructor	Description
ImplCommonOps_FSCC()

Method Summary

Modifier and Type	Method	Description
static void	add(float alpha, FMatrixSparseCSC A, float beta, FMatrixSparseCSC B, FMatrixSparseCSC C, @Nullable IGrowArray gw, @Nullable FGrowArray gx)	Performs matrix addition: C = αA + βB
static void	addColAppend(float alpha, FMatrixSparseCSC A, int colA, float beta, FMatrixSparseCSC B, int colB, FMatrixSparseCSC C, @Nullable IGrowArray gw)	Adds the results of adding a column in A and B as a new column in C. C(:,end+1) = α*A(:,colA) + β*B(:,colB)
static void	duplicatesAdd(FMatrixSparseCSC A, @Nullable IGrowArray work)
static void	elementMult(FMatrixSparseCSC A, FMatrixSparseCSC B, FMatrixSparseCSC C, @Nullable IGrowArray gw, @Nullable FGrowArray gx)	Performs element-wise multiplication: C_ij = A_ij * B_ij
static void	removeZeros(FMatrixSparseCSC A, float tol)
static void	removeZeros(FMatrixSparseCSC input, FMatrixSparseCSC output, float tol)
static void	select(FMatrixSparseCSC A, FMatrixSparseCSC output, IPredicateBinary selector)
static void	symmLowerToFull(FMatrixSparseCSC A, FMatrixSparseCSC B, @Nullable IGrowArray gw)	Given a symmetric matrix which is represented by a lower triangular matrix convert it back into a full symmetric matrix
static void	transpose(FMatrixSparseCSC A, FMatrixSparseCSC C, @Nullable IGrowArray gw)	Performs a matrix transpose.

Methods inherited from class java.lang.Object

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

Constructor Details

ImplCommonOps_FSCC

public ImplCommonOps_FSCC()

Method Details

select

public static void select(FMatrixSparseCSC A,
 FMatrixSparseCSC output,
 IPredicateBinary selector)

transpose

public static void transpose(FMatrixSparseCSC A,
 FMatrixSparseCSC C,
 @Nullable
 @Nullable IGrowArray gw)

Performs a matrix transpose.

Parameters:

A - Original matrix. Not modified.

C - Storage for transposed 'A'. Reshaped.

gw - (Optional) Storage for internal workspace. Can be null.

add

public static void add(float alpha,
 FMatrixSparseCSC A,
 float beta,
 FMatrixSparseCSC B,
 FMatrixSparseCSC C,
 @Nullable
 @Nullable IGrowArray gw,
 @Nullable
 @Nullable FGrowArray gx)

Performs matrix addition:
C = αA + βB

Parameters:

alpha - scalar value multiplied against A

A - Matrix

beta - scalar value multiplied against B

B - Matrix

C - Output matrix.

gw - (Optional) Storage for internal workspace. Can be null.

gx - (Optional) Storage for internal workspace. Can be null.

addColAppend

public static void addColAppend(float alpha,
 FMatrixSparseCSC A,
 int colA,
 float beta,
 FMatrixSparseCSC B,
 int colB,
 FMatrixSparseCSC C,
 @Nullable
 @Nullable IGrowArray gw)

Adds the results of adding a column in A and B as a new column in C.
C(:,end+1) = α*A(:,colA) + β*B(:,colB)

Parameters:

alpha - scalar

A - matrix

colA - column in A

beta - scalar

B - matrix

colB - column in B

C - Column in C

gw - workspace

elementMult

public static void elementMult(FMatrixSparseCSC A,
 FMatrixSparseCSC B,
 FMatrixSparseCSC C,
 @Nullable
 @Nullable IGrowArray gw,
 @Nullable
 @Nullable FGrowArray gx)

Performs element-wise multiplication:
C_ij = A_ij * B_ij

Parameters:

A - (Input) Matrix

B - (Input) Matrix

C - (Output) Matrix.

gw - (Optional) Storage for internal workspace. Can be null.

gx - (Optional) Storage for internal workspace. Can be null.

removeZeros

public static void removeZeros(FMatrixSparseCSC input,
 FMatrixSparseCSC output,
 float tol)

removeZeros

public static void removeZeros(FMatrixSparseCSC A,
 float tol)

duplicatesAdd

public static void duplicatesAdd(FMatrixSparseCSC A,
 @Nullable
 @Nullable IGrowArray work)

symmLowerToFull

public static void symmLowerToFull(FMatrixSparseCSC A,
 FMatrixSparseCSC B,
 @Nullable
 @Nullable IGrowArray gw)

Given a symmetric matrix which is represented by a lower triangular matrix convert it back into a full symmetric matrix

Parameters:

A - (Input) Lower triangular matrix

B - (Output) Symmetric matrix.

gw - (Optional) Workspace. Can be null.