Class CooRingNorms

java.lang.Object

org.flag4j.linalg.ops.sparse.coo.ring_ops.CooRingNorms

public final class CooRingNorms
extends Object

This utility class contains low level implementations of norms for sparse COO ring tensors, matrices and vectors.

Method Summary

Modifier and Type	Method	Description
static <T extends Ring<T>> double	matrixNormL22(AbstractCooRingMatrix<?,?,?,T> src)	Computes the L2, 2 norm of a matrix.
static <T extends Ring<T>> double	matrixNormLpq(AbstractCooRingMatrix<?,?,?,T> src, double p, double q)	Computes the Lp, q norm of a matrix.

Methods inherited from class java.lang.Object

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

Method Details

matrixNormL22

public static <T extends Ring<T>> double matrixNormL22(AbstractCooRingMatrix<?,?,?,T> src)

Computes the L_{2, 2} norm of a matrix. Also called the Frobenius norm.

Parameters:

src - Source matrix to compute norm of.

Returns:

The L_{2, 2} of the src matrix.

matrixNormLpq

public static <T extends Ring<T>> double matrixNormLpq(AbstractCooRingMatrix<?,?,?,T> src,
 double p,
 double q)

Computes the L_{p, q} norm of a matrix.

Parameters:

src - Source matrix to compute norm of.

p - First parameter for L_{p, q} norm

Returns:

The L_{p, q} of the src matrix.