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deSolve (version 1.36)

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', 'zvode' 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

56,482

Version

1.36

License

GPL (>= 2)

Maintainer

Thomas Petzoldt

Last Published

July 1st, 2023

Functions in deSolve (1.36)

diagnostics

Print Diagnostic Characteristics of Solvers
diagnostics.deSolve

Print Diagnostic Characteristics of ODE and DAE Solvers
events

Implementing Events and Roots in Differential Equation Models.
lsode

Solver for Ordinary Differential Equations (ODE)
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).
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
forcings

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

General Solver for Delay Differential Equations.
lsodes

Solver for Ordinary Differential Equations (ODE) With Sparse Jacobian
ode.3D

Solver for 3-Dimensional Ordinary Differential Equations
ode

General Solver for Ordinary Differential Equations
ode.band

Solver for Ordinary Differential Equations; Assumes a Banded Jacobian
ode.2D

Solver for 2-Dimensional Ordinary Differential Equations
rk4

Solve System of ODE (Ordinary Differential Equation)s by Euler's Method or Classical Runge-Kutta 4th Order Integration.
ode.1D

Solver For Multicomponent 1-D Ordinary Differential Equations
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
radau

Implicit Runge-Kutta RADAU IIA
plot.deSolve

Plot, Image and Histogram Method for deSolve Objects
timelags

Time Lagged Values of State Variables and Derivatives.
zvode

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

Solver for Ordinary Differential Equations (ODE)
cleanEventTimes

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

Check shared library (DLL/.so) of a compiled model.
DLLfunc

Evaluates a Derivative Function Represented in a DLL
DLLres

Evaluates a Residual Derivative Function Represented in a DLL
deSolve-internal

Internal deSolve Functions
ccl4data

Closed Chamber Study of CCl4 Metabolism by Rats.
aquaphy

A Physiological Model of Unbalanced Algal Growth
daspk

Solver for Differential Algebraic Equations (DAE)
SCOC

A Sediment Model of Oxygen Consumption
ccl4model

The CCl4 Inhalation Model