Class CooManipulations

java.lang.Object

org.flag4j.linalg.ops.sparse.coo.CooManipulations

public final class CooManipulations
extends Object

Utility class containing methods for manipulating a sparse COO tensor, matrix, or vector.

Method Summary

Modifier and Type	Method	Description
static void	swapCols(Shape shape, Object[] entries, int[] rowIndices, int[] colIndices, int colIdx1, int colIdx2)	Swaps two columns, in place, in a sparse COO matrix.
static void	swapRows(Shape shape, Object[] entries, int[] rowIndices, int[] colIndices, int rowIdx1, int rowIdx2)	Swaps two rows, in place, in a sparse COO matrix.

Methods inherited from class java.lang.Object

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

Method Details

swapRows

public static void swapRows(Shape shape,
 Object[] entries,
 int[] rowIndices,
 int[] colIndices,
 int rowIdx1,
 int rowIdx2)

Swaps two rows, in place, in a sparse COO matrix.

Parameters:

shape - Shape of the matrix to make swap in.

entries - Non-zero data of the COO matrix.

rowIndices - Row indices of the COO matrix.

colIndices - Column indices of the COO matrix.

rowIdx1 - Index of the first row in the swap.

rowIdx2 - Index of the second row in the swap.

swapCols

public static void swapCols(Shape shape,
 Object[] entries,
 int[] rowIndices,
 int[] colIndices,
 int colIdx1,
 int colIdx2)

Swaps two columns, in place, in a sparse COO matrix.

Parameters:

shape - Shape of the matrix to make swap in.

entries - Non-zero data of the COO matrix.

rowIndices - Row indices of the COO matrix.

colIndices - Column indices of the COO matrix.

colIdx1 - Index of the first column in the swap.

colIdx2 - Index of the second column in the swap.