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deSolve (version 1.14)

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

Description

Functions that solve initial value problems of a system of first-order ordinary differential equations (ODE), of partial differential equations (PDE), of differential algebraic equations (DAE), and of delay differential equations. The functions provide an interface to the FORTRAN functions lsoda, lsodar, lsode, lsodes of the ODEPACK collection, to the FORTRAN functions dvode and daspk and a C-implementation of solvers of the Runge-Kutta family with fixed or variable time steps. The package contains routines designed for solving ODEs resulting from 1-D, 2-D and 3-D partial differential equations (PDE) that have been converted to ODEs by numerical differencing.

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Version

Install

install.packages('deSolve')

Monthly Downloads

44,408

Version

1.14

License

GPL (>= 2)

Maintainer

Thomas Petzoldt

Last Published

September 5th, 2016

Functions in deSolve (1.14)

diagnostics.deSolve

Print Diagnostic Characteristics of ODE and DAE Solvers
ccl4data

Closed Chamber Study of CCl4 Metabolism by Rats.
diagnostics

Print Diagnostic Characteristics of Solvers
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
deSolve-internal

Internal deSolve Functions
DLLfunc

Evaluates a Derivative Function Represented in a DLL
dede

General Solver for Delay Differential Equations.
ccl4model

The CCl4 Inhalation Model
cleanEventTimes

Find Nearest Event for Each Time Step and Clean Time Steps to Avoid Doubles
events

Implementing Events and Roots in Differential Equation Models.
ode.band

Solver for Ordinary Differential Equations; Assumes a Banded Jacobian
ode.1D

Solver For Multicomponent 1-D Ordinary Differential Equations
lsodar

Solver for Ordinary Differential Equations (ODE), Switching Automatically Between Stiff and Non-stiff Methods and With Root Finding
ode.2D

Solver for 2-Dimensional Ordinary Differential Equations
lsoda

Solver for Ordinary Differential Equations (ODE), Switching Automatically Between Stiff and Non-stiff Methods
ode

General Solver for Ordinary Differential Equations
forcings

Passing Forcing Functions to Models Written in R or Compiled Code.
DLLres

Evaluates a Residual Derivative Function Represented in a DLL
ode.3D

Solver for 3-Dimensional Ordinary Differential Equations
timelags

Time Lagged Values of State Variables and Derivatives.
rk4

Solve System of ODE (Ordinary Differential Equation)s by Euler's Method or Classical Runge-Kutta 4th Order Integration.
plot.deSolve

Plot, Image and Histogram Method for deSolve Objects
rk

Explicit One-Step Solvers for Ordinary Differential Equations (ODE)
rkMethod

Collection of Parameter Sets (Butcher Arrays) for the Runge-Kutta Family of ODE Solvers
daspk

Solver for Differential Algebraic Equations (DAE)
SCOC

A Sediment Model of Oxygen Consumption
lsodes

Solver for Ordinary Differential Equations (ODE) With Sparse Jacobian
lsode

Solver for Ordinary Differential Equations (ODE)
vode

Solver for Ordinary Differential Equations (ODE)
zvode

Solver for Ordinary Differential Equations (ODE) for COMPLEX variables
radau

Implicit Runge-Kutta RADAU IIA