;;; Copyright © 2015, 2016, 2017, 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2016, 2017 Ben Woodcroft <donttrustben@gmail.com>
-;;; Copyright © 2017, 2018 Roel Janssen <roel@gnu.org>
+;;; Copyright © 2016, 2017, 2018 Roel Janssen <roel@gnu.org>
;;; Copyright © 2017, 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2017 Raoul Bonnal <ilpuccio.febo@gmail.com>
;;; Copyright © 2018 Vijayalakshmi Vedantham <vijimay12@gmail.com>
;;; Copyright © 2018 Laura Lazzati <laura.lazzati.15@gmail.com>
;;; Copyright © 2018 Leo Famulari <leo@famulari.name>
;;; Copyright © 2018 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2018 Eric Brown <brown@fastmail.com>
;;; Copyright © 2018, 2019 Brett Gilio <brettg@posteo.net>
;;; Copyright © 2019 Nicolò Balzarotti <anothersms@gmail.com>
;;; Copyright © 2019 Wiktor Żelazny <wzelazny@vurv.cz>
"This package contains routines and documentation for solving quadratic
programming problems.")
(license license:gpl3+)))
+
+(define-public r-desolve
+ (package
+ (name "r-desolve")
+ (version "1.25")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (cran-uri "deSolve" version))
+ (sha256
+ (base32 "0735y3p5glhqx69rzrc8qgmvs7p7w0p98qxmvylb6bgqp6kp0cbp"))))
+ (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+)))
+
+(define-public r-pracma
+ (package
+ (name "r-pracma")
+ (version "2.2.5")
+ (source (origin
+ (method url-fetch)
+ (uri (cran-uri "pracma" version))
+ (sha256
+ (base32 "0isd3s0i4mzmva8lkh0j76hwjy1w50q7d1n9lhxsnnkgalx3xs1g"))))
+ (build-system r-build-system)
+ (home-page "https://cran.r-project.org/web/packages/pracma/")
+ (synopsis "Practical numerical math functions")
+ (description "This package provides functions for numerical analysis and
+linear algebra, numerical optimization, differential equations, plus some
+special functions. It uses Matlab function names where appropriate to simplify
+porting.")
+ (license license:gpl3+)))
+
+(define-public r-subplex
+ (package
+ (name "r-subplex")
+ (version "1.5-4")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (cran-uri "subplex" version))
+ (sha256
+ (base32
+ "10cbgbx1bgsax5z7gz6716g360xpq4mvq19cf4qqrxv02mmwz57z"))))
+ (build-system r-build-system)
+ (native-inputs
+ `(("gfortran" ,gfortran)))
+ (home-page "https://cran.r-project.org/web/packages/subplex")
+ (synopsis "Unconstrained optimization using the subplex algorithm")
+ (description
+ "This package implements the Subplex optimization algorithm.
+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-txtplot
+ (package
+ (name "r-txtplot")
+ (version "1.0-3")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (cran-uri "txtplot" version))
+ (sha256
+ (base32
+ "1949ab1bzvysdb79g8x1gaknj0ih3d6g63pv9512h5m5l3a6c31h"))))
+ (build-system r-build-system)
+ (home-page "https://cran.r-project.org/web/packages/txtplot/")
+ (synopsis "Text-based plotting")
+ (description "This package provides functions to produce rudimentary ASCII
+graphics directly in the terminal window. This package provides a basic
+plotting function (and equivalents of curve, density, acf and barplot) as well
+as a boxplot function.")
+ (license license:lgpl3+)))