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deSolve (version 1.34)

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

47,765

Version

1.34

License

GPL (>= 2)

Maintainer

Last Published

October 22nd, 2022

Functions in deSolve (1.34)

daspk

Solver for Differential Algebraic Equations (DAE)
deSolve-internal

Internal deSolve Functions
cleanEventTimes

Find Nearest Event for Each Time Step and Clean Time Steps to Avoid Doubles
ccl4model

The CCl4 Inhalation Model
SCOC

A Sediment Model of Oxygen Consumption
DLLres

Evaluates a Residual Derivative Function Represented in a DLL
aquaphy

A Physiological Model of Unbalanced Algal Growth
ccl4data

Closed Chamber Study of CCl4 Metabolism by Rats.
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).
DLLfunc

Evaluates a Derivative Function Represented in a DLL
lsodes

Solver for Ordinary Differential Equations (ODE) With Sparse Jacobian
diagnostics.deSolve

Print Diagnostic Characteristics of ODE and DAE Solvers
diagnostics

Print Diagnostic Characteristics of Solvers
lsodar

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

General Solver for Delay Differential Equations.
lsoda

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

Implementing Events and Roots in Differential Equation Models.
forcings

Passing Forcing Functions to Models Written in R or Compiled Code.
ode.1D

Solver For Multicomponent 1-D Ordinary Differential Equations
lsode

Solver for Ordinary Differential Equations (ODE)
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.
rk

Explicit One-Step Solvers for Ordinary Differential Equations (ODE)
plot.deSolve

Plot, Image and Histogram Method for deSolve Objects
rkMethod

Collection of Parameter Sets (Butcher Arrays) for the Runge-Kutta Family of ODE Solvers
ode.3D

Solver for 3-Dimensional Ordinary Differential Equations
radau

Implicit Runge-Kutta RADAU IIA
ode

General Solver for Ordinary Differential Equations
ode.band

Solver for Ordinary Differential Equations; Assumes a Banded Jacobian
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)