Package jline.inference.util

Class NnlsSolver

java.lang.Object

jline.inference.util.NnlsSolver

public final class NnlsSolver
extends Object

Non-negative least squares solver implementing the Lawson-Hanson algorithm. Solves: min ||Ax - b||^2 subject to x >= 0.

Method Summary

Modifier and Type	Method	Description
static double[]	lsqnonneg(double[][] A, double[] b)	Solve NNLS with double array inputs: min ||Ax - b||^2 subject to x >= 0.
static Matrix	lsqnonneg(Matrix A, Matrix b)	Solve the NNLS problem: min ||Ax - b||^2 subject to x >= 0.

Methods inherited from class java.lang.Object

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

Method Details

lsqnonneg

public static Matrix lsqnonneg(Matrix A,
 Matrix b)

Solve the NNLS problem: min ||Ax - b||^2 subject to x >= 0.

lsqnonneg

public static double[] lsqnonneg(double[][] A,
 double[] b)

Solve NNLS with double array inputs: min ||Ax - b||^2 subject to x >= 0.