From 799ad71bfc05f084d595ee11b608745a9c56eb10 Mon Sep 17 00:00:00 2001 From: Leo Famulari Date: Sat, 17 Feb 2018 16:55:07 -0500 Subject: [PATCH] gnu: Add r-desolve. * gnu/packages/maths.scm (r-desolve): New variable. --- gnu/packages/maths.scm | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm index 5382260f3c..b372ad9874 100644 --- a/gnu/packages/maths.scm +++ b/gnu/packages/maths.scm @@ -3777,3 +3777,32 @@ It solves unconstrained optimization problems using a simplex method on subspaces. The method is well suited for optimizing objective functions that are noisy or are discontinuous at the solution.") (license license:gpl3+))) + +(define-public r-desolve + (package + (name "r-desolve") + (version "1.20") + (source + (origin + (method url-fetch) + (uri (cran-uri "deSolve" version)) + (sha256 + (base32 + "18nx3maww979a8p8ly4hv63y65mnjx8vbj2fpipd6rhcbf1lbsan")))) + (properties `((upstream-name . "deSolve"))) + (build-system r-build-system) + (native-inputs + `(("gfortran" ,gfortran))) + (home-page "https://desolve.r-forge.r-project.org/") + (synopsis "Solvers for initial value problems of differential equations") + (description "This package provides 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.") + (license license:gpl2+)))