org.apache.commons.math.analysis
Interfaces 
BivariateRealFunction
DifferentiableMultivariateRealFunction
DifferentiableMultivariateVectorialFunction
DifferentiableUnivariateMatrixFunction
DifferentiableUnivariateRealFunction
DifferentiableUnivariateVectorialFunction
MultivariateMatrixFunction
MultivariateRealFunction
MultivariateVectorialFunction
TrivariateRealFunction
UnivariateMatrixFunction
UnivariateRealFunction
UnivariateVectorialFunction
Classes 
BinaryFunction
ComposableFunction