org.apache.commons.math3.optimization.general
Interfaces 
Preconditioner
Classes 
AbstractDifferentiableOptimizer
AbstractLeastSquaresOptimizer
AbstractScalarDifferentiableOptimizer
GaussNewtonOptimizer
LevenbergMarquardtOptimizer
NonLinearConjugateGradientOptimizer
NonLinearConjugateGradientOptimizer.IdentityPreconditioner
Enums 
ConjugateGradientFormula