How to use

solve

method

in

org.apache.commons.math3.analysis.solvers.RiddersSolver

/**
 * {@inheritDoc}
 * @throws MathException If the Commons method could not evaluate the function;
 *   if the Commons method could not converge.
 */
@Override
public Double getRoot(Function<Double, Double> function, Double xLow, Double xHigh) {
 checkInputs(function, xLow, xHigh);
 UnivariateFunction wrapped = CommonsMathWrapper.wrapUnivariate(function);
 try {
  return _ridder.solve(MAX_ITER, wrapped, xLow, xHigh);
 } catch (TooManyEvaluationsException | NoBracketingException e) {
  throw new MathException(e);
 }
}