| Package | Description | 
|---|---|
| org.hipparchus | Common classes used throughout the Hipparchus library. | 
| org.hipparchus.analysis.differentiation | 
   This package holds the main interfaces and basic building block classes
   dealing with differentiation. | 
| org.hipparchus.complex | Complex number type and implementations of complex transcendental
 functions. | 
| org.hipparchus.dfp | Decimal floating point library for Java | 
| org.hipparchus.util | Convenience routines and common data structures used throughout the Hipparchus library. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | RealFieldElement<T> | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | Derivative<T extends RealFieldElement<T>>Interface representing both the value and the differentials of a function. | 
| interface  | FieldDerivative<S extends RealFieldElement<S>,T extends FieldDerivative<S,T>>Interface representing both the value and the differentials of a function. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DerivativeStructureClass representing both the value and the differentials of a function. | 
| class  | FieldDerivativeStructure<T extends RealFieldElement<T>>Class representing both the value and the differentials of a function. | 
| class  | FieldGradient<T extends RealFieldElement<T>>Class representing both the value and the differentials of a function. | 
| class  | FieldUnivariateDerivative<S extends RealFieldElement<S>,T extends FieldUnivariateDerivative<S,T>>Abstract class representing both the value and the differentials of a function. | 
| class  | FieldUnivariateDerivative1<T extends RealFieldElement<T>>Class representing both the value and the differentials of a function. | 
| class  | FieldUnivariateDerivative2<T extends RealFieldElement<T>>Class representing both the value and the differentials of a function. | 
| class  | GradientClass representing both the value and the differentials of a function. | 
| class  | SparseGradientFirst derivative computation with large number of variables. | 
| class  | UnivariateDerivative<T extends UnivariateDerivative<T>>Abstract class representing both the value and the differentials of a function. | 
| class  | UnivariateDerivative1Class representing both the value and the differentials of a function. | 
| class  | UnivariateDerivative2Class representing both the value and the differentials of a function. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ComplexRepresentation of a Complex number, i.e. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DfpDecimal floating point library for Java | 
| class  | DfpDecSubclass of  Dfpwhich hides the radix-10000 artifacts of the superclass. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | Decimal64This class wraps a  doublevalue in an object. | 
| class  | FieldTuple<T extends RealFieldElement<T>>This class allows to perform the same computation of all components of a Tuple at once. | 
| class  | TupleThis class allows to perform the same computation of all components of a Tuple at once. | 
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