Example usage for org.apache.commons.math3.fitting.leastsquares LeastSquaresFactory create

Introduction

In this page you can find the example usage for org.apache.commons.math3.fitting.leastsquares LeastSquaresFactory create.

Prototype

public static LeastSquaresProblem create(final MultivariateJacobianFunction model, final RealVector observed,
        final RealVector start, final RealMatrix weight, final ConvergenceChecker<Evaluation> checker,
        final int maxEvaluations, final int maxIterations) 

Source Link

Document

Create a org.apache.commons.math3.fitting.leastsquares.LeastSquaresProblem from the given elements.

Usage

From source file:iocomms.subpos.NonLinearLeastSquaresSolver.java

public Optimum solve(double[] target, double[] weights, double[] initialPoint, boolean debugInfo) {
    if (debugInfo) {
        System.out.println("Max Number of Iterations : " + MAXNUMBEROFITERATIONS);
    }/*from w ww  .  j av a 2s.  c om*/

    LeastSquaresProblem leastSquaresProblem = LeastSquaresFactory.create(
            // function to be optimized
            function,
            // target values at optimal point in least square equation
            // (x0+xi)^2 + (y0+yi)^2 + ri^2 = target[i]
            new ArrayRealVector(target, false), new ArrayRealVector(initialPoint, false),
            new DiagonalMatrix(weights), null, MAXNUMBEROFITERATIONS, MAXNUMBEROFITERATIONS);

    return leastSquaresOptimizer.optimize(leastSquaresProblem);
}

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