UnivariateIntegrator (Apache Commons Math 3.6.1 API)

All Known Implementing Classes:

BaseAbstractUnivariateIntegrator, IterativeLegendreGaussIntegrator, LegendreGaussIntegrator, MidPointIntegrator, RombergIntegrator, SimpsonIntegrator, TrapezoidIntegrator
```
public interface UnivariateIntegrator
```
Interface for univariate real integration algorithms.

Since:

1.2

Method Summary

Methods
Modifier and Type	Method and Description
`double`	`getAbsoluteAccuracy()` Get the absolute accuracy.
`int`	`getEvaluations()` Get the number of function evaluations of the last run of the integrator.
`int`	`getIterations()` Get the number of iterations of the last run of the integrator.
`int`	`getMaximalIterationCount()` Get the upper limit for the number of iterations.
`int`	`getMinimalIterationCount()` Get the min limit for the number of iterations.
`double`	`getRelativeAccuracy()` Get the relative accuracy.
`double`	`integrate(int maxEval, UnivariateFunction f, double min, double max)` Integrate the function in the given interval.

- Method Detail
  - getRelativeAccuracy
```
double getRelativeAccuracy()
```
    Get the relative accuracy.
    
    Returns:
    the accuracy
  - getAbsoluteAccuracy
```
double getAbsoluteAccuracy()
```
    Get the absolute accuracy.
    
    Returns:
    the accuracy
  - getMinimalIterationCount
```
int getMinimalIterationCount()
```
    Get the min limit for the number of iterations.
    
    Returns:
    the actual min limit
  - getMaximalIterationCount
```
int getMaximalIterationCount()
```
    Get the upper limit for the number of iterations.
    
    Returns:
    the actual upper limit
  - integrate
```
double integrate(int maxEval,
               UnivariateFunction f,
               double min,
               double max)
                 throws TooManyEvaluationsException,
                        MaxCountExceededException,
                        MathIllegalArgumentException,
                        NullArgumentException
```
    Integrate the function in the given interval.
    
    Parameters:
    maxEval - Maximum number of evaluations.
    f - the integrand function
    min - the lower bound for the interval
    max - the upper bound for the interval
    
    Returns:
    the value of integral
    
    Throws:
    
    TooManyEvaluationsException - if the maximum number of function evaluations is exceeded
    
    MaxCountExceededException - if the maximum iteration count is exceeded or the integrator detects convergence problems otherwise
    
    MathIllegalArgumentException - if min > max or the endpoints do not satisfy the requirements specified by the integrator
    
    NullArgumentException - if f is null.
  - getEvaluations
```
int getEvaluations()
```
    Get the number of function evaluations of the last run of the integrator.
    
    Returns:
    number of function evaluations
  - getIterations
```
int getIterations()
```
    Get the number of iterations of the last run of the integrator.
    
    Returns:
    number of iterations

Interface UnivariateIntegrator

Method Summary

Method Detail

getRelativeAccuracy

getAbsoluteAccuracy

getMinimalIterationCount

getMaximalIterationCount

integrate

getEvaluations

getIterations