Package org.apache.commons.math.optimization.general

Examples of org.apache.commons.math.optimization.general.LevenbergMarquardtOptimizer.guessParametersErrors()

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        optimum = optimizer.optimize(function, targets, weights, FIRST_GUESS);
       
        // Covariances and errors
        logger.debug("Fit: Calculate errors and covariances.");
        double[]   fitErrors     = optimizer.guessParametersErrors();
        double[][] fitCovariance = optimizer.getCovariances();
       
        // Calculate chi square
        double[] bestFit = optimum.getValue();
        double chi2 = 0.0;
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    // BamFunction optimization
    VectorialPointValuePair optimum = optimizer.optimize(function, target, weight, FIRST_GUESS);
   
    // Covariances and errors
    double[]   fitErrors     = optimizer.guessParametersErrors();
    double[][] fitCovariance = optimizer.getCovariances();
   
    // Output values
    FitResults fitResults = new FitResults(
        optimum.getValue(), optimum.getPoint(), fitErrors, fitCovariance);
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