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deSolve (version 1.35)

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

44,592

Version

1.35

License

GPL (>= 2)

Maintainer

Thomas Petzoldt

Last Published

March 12th, 2023

Functions in deSolve (1.35)

DLLres

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

Internal deSolve Functions
aquaphy

A Physiological Model of Unbalanced Algal Growth
cleanEventTimes

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

Solver for Differential Algebraic Equations (DAE)
ccl4model

The CCl4 Inhalation Model
ccl4data

Closed Chamber Study of CCl4 Metabolism by Rats.
DLLfunc

Evaluates a Derivative Function Represented in a DLL
SCOC

A Sediment Model of Oxygen Consumption
checkDLL

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

Print Diagnostic Characteristics of ODE and DAE 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).
dede

General Solver for Delay Differential Equations.
diagnostics

Print Diagnostic Characteristics of Solvers
forcings

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

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

Implementing Events and Roots in Differential Equation Models.
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
rk4

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

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

Implicit Runge-Kutta RADAU IIA
rkMethod

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

Solver for Ordinary Differential Equations; Assumes a Banded Jacobian
ode.3D

Solver for 3-Dimensional Ordinary Differential Equations
ode.1D

Solver For Multicomponent 1-D Ordinary Differential Equations
ode

General Solver for Ordinary Differential Equations
plot.deSolve

Plot, Image and Histogram Method for deSolve Objects
ode.2D

Solver for 2-Dimensional Ordinary Differential Equations
zvode

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

Time Lagged Values of State Variables and Derivatives.
vode

Solver for Ordinary Differential Equations (ODE)