org.apache.commons.math3.optim

## Interface OptimizationProblem<PAIR>

- Type Parameters:
    `PAIR` - The type of value the `convergence checker` will operate on. It should include the value of the model function and point where it was evaluated.
  All Known Subinterfaces:
    LeastSquaresProblem
  All Known Implementing Classes:
    AbstractOptimizationProblem, LeastSquaresAdapter

      public interface OptimizationProblem<PAIR>

  Common settings for all optimization problems. Includes divergence and convergence criteria.
  Since:
    3.3
  Version:
    $Id: OptimizationProblem.java 1571015 2014-02-23 14:00:48Z luc $

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `ConvergenceChecker<PAIR>` | `getConvergenceChecker()` Gets the convergence checker.
    `Incrementor` | `getEvaluationCounter()` Get a independent Incrementor that counts up to the maximum number of evaluations and then throws an exception.
    `Incrementor` | `getIterationCounter()` Get a independent Incrementor that counts up to the maximum number of iterations and then throws an exception.

- - ### Method Detail

    - #### getEvaluationCounter

          Incrementor getEvaluationCounter()

      Get a independent Incrementor that counts up to the maximum number of evaluations and then throws an exception.
      Returns:
        a counter for the evaluations.

    - #### getIterationCounter

          Incrementor getIterationCounter()

      Get a independent Incrementor that counts up to the maximum number of iterations and then throws an exception.
      Returns:
        a counter for the evaluations.

    - #### getConvergenceChecker

          ConvergenceChecker<PAIR> getConvergenceChecker()

      Gets the convergence checker.
      Returns:
        the object used to check for convergence.

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