本文整理汇总了Java中org.apache.commons.math3.analysis.solvers.UnivariateSolverUtils类的典型用法代码示例。如果您正苦于以下问题:Java UnivariateSolverUtils类的具体用法?Java UnivariateSolverUtils怎么用?Java UnivariateSolverUtils使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
UnivariateSolverUtils类属于org.apache.commons.math3.analysis.solvers包,在下文中一共展示了UnivariateSolverUtils类的3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: setup
import org.apache.commons.math3.analysis.solvers.UnivariateSolverUtils; //导入依赖的package包/类
/**
* 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 = evaluations.withMaximalCount(maxEval).withStart(0);
count = count.withStart(0);
}
示例2: setup
import org.apache.commons.math3.analysis.solvers.UnivariateSolverUtils; //导入依赖的package包/类
/**
* 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();
}
示例3: getMethodOfMomentsEstimate
import org.apache.commons.math3.analysis.solvers.UnivariateSolverUtils; //导入依赖的package包/类
/**
* 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;
}