| Package | Description | 
|---|---|
| org.hipparchus.migration.ode | 
 
 This package provides migration classes from Apache Commons Math to Hipparchus. 
 | 
| org.hipparchus.ode | 
 
 This package provides classes to solve Ordinary Differential Equations problems. 
 | 
| org.hipparchus.ode.nonstiff | 
 
 This package provides classes to solve non-stiff Ordinary Differential Equations problems. 
 | 
| Modifier and Type | Interface | Description | 
|---|---|---|
interface  | 
FirstOrderDifferentialEquations | 
 Deprecated. 
 
as of 1.0, replaced with  
OrdinaryDifferentialEquation | 
interface  | 
MainStateJacobianProvider | 
 Deprecated. 
 
as of 1.0, replaced with  
ODEJacobiansProvider | 
| Constructor | Description | 
|---|---|
JacobianMatrices(OrdinaryDifferentialEquation fode,
                double[] hY,
                String... parameters) | 
 Deprecated.  
Simple constructor for a secondary equations set computing Jacobian matrices. 
 | 
| Modifier and Type | Interface | Description | 
|---|---|---|
interface  | 
ODEJacobiansProvider | 
 Interface expanding  
first order
  differential equations in order to compute exactly the Jacobian
  matrices for partial derivatives equations. | 
| Modifier and Type | Class | Description | 
|---|---|---|
class  | 
FirstOrderConverter | 
 This class converts second order differential equations to first
 order ones. 
 | 
| Modifier and Type | Method | Description | 
|---|---|---|
OrdinaryDifferentialEquation | 
ExpandableODE.getPrimary() | 
 Get the primaryset of differential equations to be integrated. 
 | 
| Modifier and Type | Method | Description | 
|---|---|---|
default double | 
ODEIntegrator.integrate(OrdinaryDifferentialEquation equations,
         double t0,
         double[] y0,
         double t,
         double[] y) | 
 Deprecated. 
 
as of 1.0, replaced with  
ODEIntegrator.integrate(ExpandableODE, ODEState, double) | 
default ODEStateAndDerivative | 
ODEIntegrator.integrate(OrdinaryDifferentialEquation equations,
         ODEState initialState,
         double finalTime) | 
 Integrate the differential equations up to the given time. 
 | 
| Constructor | Description | 
|---|---|
ExpandableODE(OrdinaryDifferentialEquation primary) | 
 Build an expandable set from its primary ODE set. 
 | 
VariationalEquation(ExpandableODE expandable,
                   OrdinaryDifferentialEquation ode,
                   double[] hY,
                   ParametersController controller,
                   ParameterConfiguration... paramsAndSteps) | 
 Build variational equation using finite differences for local
 partial derivatives. 
 | 
| Modifier and Type | Method | Description | 
|---|---|---|
double[] | 
RungeKuttaIntegrator.singleStep(OrdinaryDifferentialEquation equations,
          double t0,
          double[] y0,
          double t) | 
 Fast computation of a single step of ODE integration. 
 | 
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