| Package | Description | 
|---|---|
| org.apache.commons.math3.ode | 
 This package provides classes to solve Ordinary Differential Equations problems. | 
| org.apache.commons.math3.ode.nonstiff | 
 This package provides classes to solve non-stiff Ordinary Differential Equations problems. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | MainStateJacobianProviderInterface expanding  first order
  differential equationsin order to compute exactly the main state jacobian
  matrix forpartial derivatives equations. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FirstOrderConverterThis class converts second order differential equations to first
 order ones. | 
| Modifier and Type | Method and Description | 
|---|---|
| FirstOrderDifferentialEquations | ExpandableStatefulODE. getPrimary()Get the primary set of differential equations. | 
| Modifier and Type | Method and Description | 
|---|---|
| double | FirstOrderIntegrator. integrate(FirstOrderDifferentialEquations equations,
         double t0,
         double[] y0,
         double t,
         double[] y)Integrate the differential equations up to the given time. | 
| double | AbstractIntegrator. integrate(FirstOrderDifferentialEquations equations,
         double t0,
         double[] y0,
         double t,
         double[] y)Integrate the differential equations up to the given time. | 
| Constructor and Description | 
|---|
| ExpandableStatefulODE(FirstOrderDifferentialEquations primary)Build an expandable set from its primary ODE set. | 
| JacobianMatrices(FirstOrderDifferentialEquations fode,
                double[] hY,
                String... parameters)Simple constructor for a secondary equations set computing Jacobian matrices. | 
| Modifier and Type | Method and Description | 
|---|---|
| double[] | RungeKuttaIntegrator. singleStep(FirstOrderDifferentialEquations equations,
          double t0,
          double[] y0,
          double t)Fast computation of a single step of ODE integration. | 
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