| Package | Description | 
|---|---|
| org.apache.commons.math3.ode | 
 This package provides classes to solve Ordinary Differential Equations problems. | 
| org.apache.commons.math3.ode.events | 
 This package provides classes to handle discrete events occurring during
 Ordinary Differential Equations integration. | 
| org.apache.commons.math3.ode.nonstiff | 
 This package provides classes to solve non-stiff Ordinary Differential Equations problems. | 
| org.apache.commons.math3.ode.sampling | 
 This package provides classes to handle sampling steps during
 Ordinary Differential Equations integration. | 
| Class and Description | 
|---|
| AbstractFieldIntegrator Base class managing common boilerplate for all integrators. | 
| AbstractIntegrator Base class managing common boilerplate for all integrators. | 
| ContinuousOutputFieldModel This class stores all information provided by an ODE integrator
 during the integration process and build a continuous model of the
 solution from this. | 
| ContinuousOutputModel This class stores all information provided by an ODE integrator
 during the integration process and build a continuous model of the
 solution from this. | 
| EquationsMapper Class mapping the part of a complete state or derivative that pertains
 to a specific differential equation. | 
| ExpandableStatefulODE This class represents a combined set of first order differential equations,
 with at least a primary set of equations expandable by some sets of secondary
 equations. | 
| FieldEquationsMapper Class mapping the part of a complete state or derivative that pertains
 to a set of differential equations. | 
| FieldExpandableODE This class represents a combined set of first order differential equations,
 with at least a primary set of equations expandable by some sets of secondary
 equations. | 
| FieldODEState Container for time, main and secondary state vectors. | 
| FieldODEStateAndDerivative Container for time, main and secondary state vectors as well as their derivatives. | 
| FieldSecondaryEquations This interface allows users to add secondary differential equations to a primary
 set of differential equations. | 
| FirstOrderDifferentialEquations This interface represents a first order differential equations set. | 
| FirstOrderFieldDifferentialEquations This interface represents a first order differential equations set. | 
| FirstOrderFieldIntegrator This interface represents a first order integrator for
 differential equations. | 
| FirstOrderIntegrator This interface represents a first order integrator for
 differential equations. | 
| JacobianMatrices.MismatchedEquations Special exception for equations mismatch. | 
| MainStateJacobianProvider Interface expanding  first order
  differential equationsin order to compute exactly the main state jacobian
  matrix forpartial derivatives equations. | 
| ODEIntegrator This interface defines the common parts shared by integrators
 for first and second order differential equations. | 
| Parameterizable This interface enables to process any parameterizable object. | 
| ParameterizedODE Interface to compute by finite difference Jacobian matrix for some parameter
  when computing  partial derivatives equations. | 
| ParameterJacobianProvider Interface to compute exactly Jacobian matrix for some parameter
  when computing  partial derivatives equations. | 
| SecondaryEquations This interface allows users to add secondary differential equations to a primary
 set of differential equations. | 
| SecondOrderDifferentialEquations This interface represents a second order differential equations set. | 
| UnknownParameterException Exception to be thrown when a parameter is unknown. | 
| Class and Description | 
|---|
| ExpandableStatefulODE This class represents a combined set of first order differential equations,
 with at least a primary set of equations expandable by some sets of secondary
 equations. | 
| FieldODEState Container for time, main and secondary state vectors. | 
| FieldODEStateAndDerivative Container for time, main and secondary state vectors as well as their derivatives. | 
| Class and Description | 
|---|
| AbstractFieldIntegrator Base class managing common boilerplate for all integrators. | 
| AbstractIntegrator Base class managing common boilerplate for all integrators. | 
| ExpandableStatefulODE This class represents a combined set of first order differential equations,
 with at least a primary set of equations expandable by some sets of secondary
 equations. | 
| FieldEquationsMapper Class mapping the part of a complete state or derivative that pertains
 to a set of differential equations. | 
| FieldExpandableODE This class represents a combined set of first order differential equations,
 with at least a primary set of equations expandable by some sets of secondary
 equations. | 
| FieldODEState Container for time, main and secondary state vectors. | 
| FieldODEStateAndDerivative Container for time, main and secondary state vectors as well as their derivatives. | 
| FirstOrderDifferentialEquations This interface represents a first order differential equations set. | 
| FirstOrderFieldDifferentialEquations This interface represents a first order differential equations set. | 
| FirstOrderFieldIntegrator This interface represents a first order integrator for
 differential equations. | 
| FirstOrderIntegrator This interface represents a first order integrator for
 differential equations. | 
| MultistepFieldIntegrator This class is the base class for multistep integrators for Ordinary
 Differential Equations. | 
| MultistepIntegrator This class is the base class for multistep integrators for Ordinary
 Differential Equations. | 
| ODEIntegrator This interface defines the common parts shared by integrators
 for first and second order differential equations. | 
| Class and Description | 
|---|
| EquationsMapper Class mapping the part of a complete state or derivative that pertains
 to a specific differential equation. | 
| FieldEquationsMapper Class mapping the part of a complete state or derivative that pertains
 to a set of differential equations. | 
| FieldODEStateAndDerivative Container for time, main and secondary state vectors as well as their derivatives. | 
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