Package org.jquantlib.math.functions

Examples of org.jquantlib.math.functions.Fourth

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        final int n = getSampleSize();
        if (n <= 3)
            throw new IllegalArgumentException(unsufficient_sample_size_3);

        final List<DoubleOp> functions = new ArrayList<DoubleOp>();
        functions.add(new Fourth());
        functions.add(new Bind2nd(new Minus(), mean()));
        final Expression comp = new Expression(functions);

        final double x = expectationValue(comp, new TruePredicate()).getFirst();
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        /*@Size*/ final int N = samples();
        QL.require(N > 3, "sample number <=3, unsufficient");

        /*@Real*/ final double x = expectationValue(
            new ComposedFunction(
                new Fourth(), new Bind2nd(
                    new Minus(), mean())),
                                  new Everywhere()).first();
        /*@Real*/ final double sigma2 = variance();

        /*@Real*/ final double c1 = (N/(N-1.0)) * (N/(N-2.0)) * ((N+1.0)/(N-3.0));
 
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  public void testPolynomials() {
    checkSingleTabulated(new Constant(1.0), "f(x)=1", 2.0, 1.0e-13);
    checkSingleTabulated(new Identity(), "f(x)=x", 0.0, 1.0e-13);
    checkSingleTabulated(new Square(), "f(x)=x^2", 2.0/3.0, 1.0e-13);
    checkSingleTabulated(new Cube(), "f(x)=x^3", 0.0, 1.0e-13);
    checkSingleTabulated(new Fourth(), "f(x)=x^4", 2.0/5.0, 1.0e-13);
  }
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  public void testPolynomials() {
    checkSingleTabulated(new Constant(1.0), "f(x)=1",   2.0,     1.0e-13);
    checkSingleTabulated(new Identity(),    "f(x)=x",   0.0,     1.0e-13);
    checkSingleTabulated(new Square(),         "f(x)=x^2", 2.0/3.0, 1.0e-13);
    checkSingleTabulated(new Cube(),        "f(x)=x^3", 0.0,     1.0e-13);
    checkSingleTabulated(new Fourth(),      "f(x)=x^4", 2.0/5.0, 1.0e-13);
  }
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Related Classes of org.jquantlib.math.functions.Fourth

  • org.jquantlib.math.statistics.GeneralStatistics
  • org.jquantlib.testsuite.math.integrals.GaussKonrodPattersonIntegratorTest
  • org.jquantlib.testsuite.math.integrals.TabulatedGaussLegendreTest
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