Java Vector2D类代码示例

本文整理汇总了Java中de.linearbits.newtonraphson.Vector2D类的典型用法代码示例。如果您正苦于以下问题：Java Vector2D类的具体用法？Java Vector2D怎么用？Java Vector2D使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。

Vector2D类属于de.linearbits.newtonraphson包，在下文中一共展示了Vector2D类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: solve

import de.linearbits.newtonraphson.Vector2D; //导入依赖的package包/类
/**
 * Solves and prints measures
 * @param object1
 * @param object2
 * @param solver
 */
private static void solve(Function2D object1, Function2D object2, NewtonRaphson2D solver, int repetitions) {
    
    Vector2D result = null;
    long start = System.currentTimeMillis();
    for (int i=0; i< repetitions; i++) {
        result = solver.solve();
    }
    
    System.out.println("\nResults");
    System.out.println("*******");
    
    DecimalFormat format = new DecimalFormat("0.000000");
    double time = (System.currentTimeMillis() - start) / (double)repetitions;
    System.out.println("Time    : " + format.format(time));
    System.out.println(solver.getMeasures());
    System.out.println("Result  : " + result);
}

开发者ID:prasser，项目名称:newtonraphson，代码行数:24，代码来源:Tests.java

示例2: ModelSNB

import de.linearbits.newtonraphson.Vector2D; //导入依赖的package包/类
/**
 * Creates a new instance
 * 
 * @param model
 * @param histogram
 * @param config
 * @param stop
 */
ModelSNB(final ARXPopulationModel model,
         final RiskModelHistogram histogram,
         final NewtonRaphsonConfiguration<?> config,
         final WrappedBoolean stop) {

    super(histogram, model, stop, new WrappedInteger());

    // Prepare
    int[] _histogram = super.getHistogram().getHistogram();
    double c1 = super.getNumClassesOfSize(1);
    double c2 = super.getNumClassesOfSize(2);
    double k = estimateNonEmptyEquivalenceClasses(_histogram, super.getNumClasses(),
                                                  c1, super.getSamplingFraction());
    double f = getSamplingFraction();

    // Solve the maximum likelihood estimates
    Vector2D result = new NewtonRaphson2D(getObjectFunction(k, f, c1, c2),
                                          getDerivatives(k, f, c1, c2))
                                         .configure(config)
                                         .solve();

    // Compile and store
    this.uniques = k * Math.pow(result.y, result.x);
}

开发者ID:arx-deidentifier，项目名称:arx，代码行数:33，代码来源:ModelSNB.java

示例3: getObjectFunction

import de.linearbits.newtonraphson.Vector2D; //导入依赖的package包/类
/**
 * Returns the object function
 * 
 * @param k
 * @param f
 * @param c1
 * @param c2
 * @return
 */
private Function<Vector2D, Vector2D> getObjectFunction(final double k,
                                                       final double f,
                                                       final double c1,
                                                       final double c2) {

    return new Function<Vector2D, Vector2D>() {
        public Vector2D evaluate(Vector2D input) {
            // The derivatives of the following formulas have been obtained using Matlab
            final double a = input.x;
            final double b = input.y;
            final double dividend = (1 - f) * (1 - b);

            // Original equations to determine the value of the parameters alpha and beta in the SNB Model
            Vector2D result = new Vector2D();
            result.x = k * f * Math.pow(b / (1 - dividend), a) *
                       (((a * dividend) / (1 - dividend)) + 1) - c1;
            result.y = k * a * Math.pow(b, a) * (f * f) * (1 - b) / 2 *
                       Math.pow(1 - dividend, a + 2) *
                       (2 - (1 - a) * dividend) - c2;
            return result;
        }
    };
}

开发者ID:arx-deidentifier，项目名称:arx，代码行数:33，代码来源:ModelSNB.java