org.apache.commons.math3.analysis.solvers.UnivariateSolverUtils Java Examples

The following examples show how to use org.apache.commons.math3.analysis.solvers.UnivariateSolverUtils. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: BaseAbstractUnivariateIntegrator.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Prepare for computation.
 * Subclasses must call this method if they override any of the
 * {@code solve} methods.
 *
 * @param maxEval Maximum number of evaluations.
 * @param f the integrand function
 * @param lower the min bound for the interval
 * @param upper the upper bound for the interval
 * @throws NullArgumentException if {@code f} is {@code null}.
 * @throws MathIllegalArgumentException if {@code min >= max}.
 */
protected void setup(final int maxEval,
                     final UnivariateFunction f,
                     final double lower, final double upper)
    throws NullArgumentException, MathIllegalArgumentException {

    // Checks.
    MathUtils.checkNotNull(f);
    UnivariateSolverUtils.verifyInterval(lower, upper);

    // Reset.
    min = lower;
    max = upper;
    function = f;
    evaluations.setMaximalCount(maxEval);
    evaluations.resetCount();
    iterations.resetCount();

}
Example #2
Source File: BaseAbstractUnivariateIntegrator.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Prepare for computation.
 * Subclasses must call this method if they override any of the
 * {@code solve} methods.
 *
 * @param maxEval Maximum number of evaluations.
 * @param f the integrand function
 * @param lower the min bound for the interval
 * @param upper the upper bound for the interval
 * @throws NullArgumentException if {@code f} is {@code null}.
 * @throws MathIllegalArgumentException if {@code min >= max}.
 */
protected void setup(final int maxEval,
                     final UnivariateFunction f,
                     final double lower, final double upper)
    throws NullArgumentException, MathIllegalArgumentException {

    // Checks.
    MathUtils.checkNotNull(f);
    UnivariateSolverUtils.verifyInterval(lower, upper);

    // Reset.
    min = lower;
    max = upper;
    function = f;
    evaluations.setMaximalCount(maxEval);
    evaluations.resetCount();
    iterations.resetCount();

}
Example #3
Source File: BaseAbstractUnivariateIntegrator.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Prepare for computation.
 * Subclasses must call this method if they override any of the
 * {@code solve} methods.
 *
 * @param maxEval Maximum number of evaluations.
 * @param f the integrand function
 * @param lower the min bound for the interval
 * @param upper the upper bound for the interval
 * @throws NullArgumentException if {@code f} is {@code null}.
 * @throws MathIllegalArgumentException if {@code min >= max}.
 */
protected void setup(final int maxEval,
                     final UnivariateFunction f,
                     final double lower, final double upper)
    throws NullArgumentException, MathIllegalArgumentException {

    // Checks.
    MathUtils.checkNotNull(f);
    UnivariateSolverUtils.verifyInterval(lower, upper);

    // Reset.
    min = lower;
    max = upper;
    function = f;
    evaluations.setMaximalCount(maxEval);
    evaluations.resetCount();
    iterations.resetCount();

}
Example #4
Source File: BaseAbstractUnivariateIntegrator.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Prepare for computation.
 * Subclasses must call this method if they override any of the
 * {@code solve} methods.
 *
 * @param maxEval Maximum number of evaluations.
 * @param f the integrand function
 * @param lower the min bound for the interval
 * @param upper the upper bound for the interval
 * @throws NullArgumentException if {@code f} is {@code null}.
 * @throws MathIllegalArgumentException if {@code min >= max}.
 */
protected void setup(final int maxEval,
                     final UnivariateFunction f,
                     final double lower, final double upper)
    throws NullArgumentException, MathIllegalArgumentException {

    // Checks.
    MathUtils.checkNotNull(f);
    UnivariateSolverUtils.verifyInterval(lower, upper);

    // Reset.
    min = lower;
    max = upper;
    function = f;
    evaluations.setMaximalCount(maxEval);
    evaluations.resetCount();
    iterations.resetCount();

}
Example #5
Source File: BaseAbstractUnivariateIntegrator.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Prepare for computation.
 * Subclasses must call this method if they override any of the
 * {@code solve} methods.
 *
 * @param maxEval Maximum number of evaluations.
 * @param f the integrand function
 * @param lower the min bound for the interval
 * @param upper the upper bound for the interval
 * @throws NullArgumentException if {@code f} is {@code null}.
 * @throws MathIllegalArgumentException if {@code min >= max}.
 */
protected void setup(final int maxEval,
                     final UnivariateFunction f,
                     final double lower, final double upper)
    throws NullArgumentException, MathIllegalArgumentException {

    // Checks.
    MathUtils.checkNotNull(f);
    UnivariateSolverUtils.verifyInterval(lower, upper);

    // Reset.
    min = lower;
    max = upper;
    function = f;
    evaluations.setMaximalCount(maxEval);
    evaluations.resetCount();
    iterations.resetCount();

}
Example #6
Source File: BaseAbstractUnivariateIntegrator.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Prepare for computation.
 * Subclasses must call this method if they override any of the
 * {@code solve} methods.
 *
 * @param maxEval Maximum number of evaluations.
 * @param f the integrand function
 * @param lower the min bound for the interval
 * @param upper the upper bound for the interval
 * @throws NullArgumentException if {@code f} is {@code null}.
 * @throws MathIllegalArgumentException if {@code min >= max}.
 */
protected void setup(final int maxEval,
                     final UnivariateFunction f,
                     final double lower, final double upper)
    throws NullArgumentException, MathIllegalArgumentException {

    // Checks.
    MathUtils.checkNotNull(f);
    UnivariateSolverUtils.verifyInterval(lower, upper);

    // Reset.
    min = lower;
    max = upper;
    function = f;
    evaluations.setMaximalCount(maxEval);
    evaluations.resetCount();
    iterations.resetCount();

}
Example #7
Source File: BaseAbstractUnivariateIntegrator.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Prepare for computation.
 * Subclasses must call this method if they override any of the
 * {@code solve} methods.
 *
 * @param maxEval Maximum number of evaluations.
 * @param f the integrand function
 * @param lower the min bound for the interval
 * @param upper the upper bound for the interval
 * @throws NullArgumentException if {@code f} is {@code null}.
 * @throws MathIllegalArgumentException if {@code min >= max}.
 */
protected void setup(final int maxEval,
                     final UnivariateFunction f,
                     final double lower, final double upper)
    throws NullArgumentException, MathIllegalArgumentException {

    // Checks.
    MathUtils.checkNotNull(f);
    UnivariateSolverUtils.verifyInterval(lower, upper);

    // Reset.
    min = lower;
    max = upper;
    function = f;
    evaluations.setMaximalCount(maxEval);
    evaluations.resetCount();
    iterations.resetCount();

}
Example #8
Source File: BaseAbstractUnivariateIntegrator.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Prepare for computation.
 * Subclasses must call this method if they override any of the
 * {@code solve} methods.
 *
 * @param maxEval Maximum number of evaluations.
 * @param f the integrand function
 * @param lower the min bound for the interval
 * @param upper the upper bound for the interval
 * @throws NullArgumentException if {@code f} is {@code null}.
 * @throws MathIllegalArgumentException if {@code min >= max}.
 */
protected void setup(final int maxEval,
                     final UnivariateFunction f,
                     final double lower, final double upper)
    throws NullArgumentException, MathIllegalArgumentException {

    // Checks.
    MathUtils.checkNotNull(f);
    UnivariateSolverUtils.verifyInterval(lower, upper);

    // Reset.
    min = lower;
    max = upper;
    function = f;
    evaluations.setMaximalCount(maxEval);
    evaluations.resetCount();
    iterations.resetCount();

}
Example #9
Source File: CompressedSizeEstimatorSample.java    From systemds with Apache License 2.0 5 votes vote down vote up 
/**
 * Solves the method-of-moments estimate numerically. We use a cache on the same observed instances in the sample as
 * q is constant and min/max are chosen conservatively.
 * 
 */
private static double getMethodOfMomentsEstimate(int nj, double q, double min, double max,
	HashMap<Integer, Double> solveCache) {
	if(solveCache.containsKey(nj))
		return solveCache.get(nj);

	double est = UnivariateSolverUtils.solve(new MethodOfMomentsFunction(nj, q), min, max, 1e-9);

	if(solveCache.size() < MAX_SOLVE_CACHE_SIZE)
		solveCache.put(nj, est);

	return est;
}
Example #10
Source File: HassAndStokes.java    From systemds with Apache License 2.0 5 votes vote down vote up 
/**
 * Solves the method-of-moments estimate numerically. We use a cache on the same observed instances in the sample as
 * q is constant and min/max are chosen conservatively.
 * 
 * @param nj         ??
 * @param q          ??
 * @param min        ??
 * @param max        ??
 * @param solveCache ??
 * @return ??
 */
private static double getMethodOfMomentsEstimate(int nj, double q, double min, double max,
	HashMap<Integer, Double> solveCache) {
	if(solveCache.containsKey(nj))
		return solveCache.get(nj);

	double est = UnivariateSolverUtils.solve(new MethodOfMomentsFunction(nj, q), min, max, 1e-9);

	if(solveCache.size() < MAX_SOLVE_CACHE_SIZE)
		solveCache.put(nj, est);

	return est;
}