# Solvers for Initial Value Problems of Differential Equations ('ODE', 'DAE', 'DDE')

## Documentation for package ‘deSolve’ version 1.21

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Code demos. Use demo() to run them.
- Package NEWS.

## Help Pages

deSolve-package | General Solvers for Initial Value Problems of Ordinary Differential Equations (ODE), Partial Differential Equations (PDE), Differential Algebraic Equations (DAE) and delay differential equations (DDE).
aquaphy | A Physiological Model of Unbalanced Algal Growth
ccl4data | Closed Chamber Study of CCl4 Metabolism by Rats.
ccl4model | The CCl4 Inhalation Model
cleanEventTimes | Find Nearest Event for Each Time Step and Clean Time Steps to Avoid Doubles
daspk | Solver for Differential Algebraic Equations (DAE)
dede | General Solver for Delay Differential Equations.
deSolve | General Solvers for Initial Value Problems of Ordinary Differential Equations (ODE), Partial Differential Equations (PDE), Differential Algebraic Equations (DAE) and delay differential equations (DDE).
diagnostics | Print Diagnostic Characteristics of Solvers
diagnostics.default | Print Diagnostic Characteristics of Solvers
diagnostics.deSolve | Print Diagnostic Characteristics of ODE and DAE Solvers
DLLfunc | Evaluates a Derivative Function Represented in a DLL
DLLres | Evaluates a Residual Derivative Function Represented in a DLL
euler | Solve System of ODE (Ordinary Differential Equation)s by Euler's Method or Classical Runge-Kutta 4th Order Integration.
euler.1D | Solve System of ODE (Ordinary Differential Equation)s by Euler's Method or Classical Runge-Kutta 4th Order Integration.
events | Implementing Events and Roots in Differential Equation Models.
forcings | Passing Forcing Functions to Models Written in R or Compiled Code.
hist.deSolve | Plot, Image and Histogram Method for deSolve Objects
image.deSolve | Plot, Image and Histogram Method for deSolve Objects
lagderiv | Time Lagged Values of State Variables and Derivatives.
lagvalue | Time Lagged Values of State Variables and Derivatives.
lsoda | Solver for Ordinary Differential Equations (ODE), Switching Automatically Between Stiff and Non-stiff Methods
lsodar | Solver for Ordinary Differential Equations (ODE), Switching Automatically Between Stiff and Non-stiff Methods and With Root Finding
lsode | Solver for Ordinary Differential Equations (ODE)
lsodes | Solver for Ordinary Differential Equations (ODE) With Sparse Jacobian
matplot.0D | Plot, Image and Histogram Method for deSolve Objects
matplot.1D | Plot, Image and Histogram Method for deSolve Objects
matplot.deSolve | Plot, Image and Histogram Method for deSolve Objects
nearestEvent | Find Nearest Event for Each Time Step and Clean Time Steps to Avoid Doubles
ode | General Solver for Ordinary Differential Equations
ode.1D | Solver For Multicomponent 1-D Ordinary Differential Equations
ode.2D | Solver for 2-Dimensional Ordinary Differential Equations
ode.3D | Solver for 3-Dimensional Ordinary Differential Equations
ode.band | Solver for Ordinary Differential Equations; Assumes a Banded Jacobian
plot.1D | Plot, Image and Histogram Method for deSolve Objects
plot.deSolve | Plot, Image and Histogram Method for deSolve Objects
print.deSolve | General Solver for Ordinary Differential Equations
radau | Implicit Runge-Kutta RADAU IIA
rk | Explicit One-Step Solvers for Ordinary Differential Equations (ODE)
rk4 | Solve System of ODE (Ordinary Differential Equation)s by Euler's Method or Classical Runge-Kutta 4th Order Integration.
rkMethod | Collection of Parameter Sets (Butcher Arrays) for the Runge-Kutta Family of ODE Solvers
roots | Implementing Events and Roots in Differential Equation Models.
SCOC | A Sediment Model of Oxygen Consumption
subset.deSolve | Plot, Image and Histogram Method for deSolve Objects
summary.deSolve | General Solver for Ordinary Differential Equations
timelags | Time Lagged Values of State Variables and Derivatives.
vode | Solver for Ordinary Differential Equations (ODE)
zvode | Solver for Ordinary Differential Equations (ODE) for COMPLEX variables