Did you install the optional dependency that is listed in the output you
posted?
El jueves, 10 de julio de 2025 a las 2:19:50 UTC+2, Nasser M. Abbasi
escribió:
> I am on arch based system. Installed sagemath using pacman. I no longer
> build from source.
>
> Also installed giac latest using pacman. (same for Fricas and maxima)
>
> But when from inside sagemath I do integrate(sin(x),x,algorithm="giac") it
> returns back the input.
>
> Not sure why.
>
> >which sage
> /usr/bin/sage
> >sage
> ──────────────┐
> │ SageMath version 10.6, Release Date: 2025-03-31 │
> │ Using Python 3.13.5. Type "help()" for help. │
>
> sage: print(fricas.eval(")lisp |$build_version|"))
>
> Value = "FriCAS 1.3.12"
> sage: x=var('x')
> sage: integrate(sin(x),x,algorithm="fricas")
> -cos(x)
>
> sage: integrate(sin(x),x,algorithm="giac")
> integrate(sin(x), x)
>
> sage: print(giac.version())
> "giac 2.0.0, (c) B. Parisse and R. De Graeve, Institut Fourier, Universite
> Grenoble Alpes. Optimization, signalprocessing, graph theory (c) Luka
> Marohnić"
>
> sage: print(maxima.version())
> 5.47.0
>
> sage: integrate(sin(x),x,algorithm="maxima")
> -cos(x)
> sage:
>
> giac is installed on Linux and works fine
>
> >giac
> Reading from cache /usr/share/giac/doc/en/
> get_index_from_cache /usr/share/giac/doc/en/html_mtt OK
> // Read 1243 entries from cache /usr/share/giac/doc/en/html_mtt
> get_index_from_cache /usr/share/giac/doc/en/html_mall OK
> // Read 1528 entries from cache /usr/share/giac/doc/en/html_mall
> // Read 1057 entries from cache /usr/share/giac/doc/en/html_vall
> Welcome to giac readline interface, version 2.0.0
> (c) 2002,2023 B. Parisse & others
>
>
> 0>> integrate(sin(x),x)
> -cos(x)
> // Time 0
> 1>>
>
> --- version info
>
> >which giac
> /usr/bin/giac
> >giac --version
> // Using locale /usr/share/locale/
> // en_US.UTF-8
> // /usr/share/locale/
> // giac
> // UTF-8
> // Maximum number of parallel threads 10
> // (c) 2001, 2021 B. Parisse & others
> 2.0.0
> >
> >yay -Qi giac
> Name : giac
> Version : 2.0.0.10-1
> Description : A free computer algebra system
> Architecture : x86_64
> URL : http://www-fourier.ujf-grenoble.fr/~parisse/giac.html
> Licenses : GPL-3.0-only
> Groups : None
> Provides : None
> Depends On : blas cblas curl fltk gcc-libs glibc glpk gmp
> gmp-ecm gsl lapack libao libglvnd libpng libsamplerate libusb mpfi
> mpfr nauty ntl pari readline
> zlib
> Optional Deps : perl: for pgiac [installed]
> Required By : None
> Optional For : None
> Conflicts With : None
> Replaces : None
> Installed Size : 272.00 MiB
> Packager : Antonio Rojas <aro...@archlinux.org>
> Build Date : Sat 05 Jul 2025 11:43:40 AM CDT
> Install Date : Wed 09 Jul 2025 06:01:25 PM CDT
> Install Reason : Explicitly installed
> Install Script : No
> Validated By : Signature
>
> >
>
> >yay -Qi sagemath
> Name : sagemath
> Version : 10.6-6
> Description : Open Source Mathematics Software, free alternative to
> Magma, Maple, Mathematica, and Matlab
> Architecture : x86_64
> URL : http://www.sagemath.org
> Licenses : GPL-2.0-or-later
> Groups : None
> Provides : None
> Depends On : brial cblas cliquer ecl eclib fflas-ffpack flint
> gap gcc-libs gd gfan givaro glibc glpk gmp gmp-ecm gsl iml
> ipython lcalc libbraiding
> libhomfly libmpc linbox lrcalc m4ri m4rie
> maxima-fas mpfi mpfr nauty ntl palp pari pari-galdata
> pari-seadata-small planarity python
> python-conway-polynomials python-cvxopt
> python-cysignals python-cypari2 python-docutils python-fpylll
> python-ipywidgets python-matplotlib
> python-memory-allocator python-mpmath python-networkx
> python-numpy python-pexpect python-pillow python-pplpy
> python-primecountpy python-pygments
> python-pyparsing python-requests python-rpy2
> python-scipy python-sphinx python-sympy python-traitlets rankwidth
> sage-data-elliptic_curves
> sage-data-graphs sage-data-polytopes_db singular
> symmetrica sympow tachyon threejs-sage
> Optional Deps : benzene: for generating fusenes and benzenoids
> blas-openblas: faster linear algebra [installed]
> bliss: bliss backend for graph theory
> buckygen: for generating fullerene graphs
> coin-or-csdp: for computing Lovász theta-function of
> graphs
> coxeter: Coxeter groups implementation
> cryptominisat: SAT solver
> cython: to compile cython code
> dot2tex: for displaying some diagrams
> ffmpeg: to export animations to video [installed]
> fricas: FriCAS interface [installed]
> imagemagick: to show animations [installed]
> jmol: alternative 3D plot engine
> jupyter-jsmol: alternative 3D plot engine in the Jupyter
> notebook
> lrs: Algorithms for linear reverse search used in game
> theory and for computing volume of polytopes
> latte-integrale: integral point count in polyhedra
> msolve: polynomial system solving via msolve
> plantri: for generating some classes of graphs
> python-cvxpy: interface for several convex optimization
> backends
> python-database-cubic-hecke: cubic Hecke algebras
> python-database-knotinfo: interface to the KnotInfo and
> LinkInfo databases
> python-igraph: igraph backend for graph theory
> python-jupymake: polymake backend for polyhedral
> computations
> python-matroid-database: matroids database
> python-phitigra: graph editor
> python-pkgconfig: to compile cython code
> python-pycosat: picosat SAT solver
> python-pynormaliz: Normaliz backend for polyhedral
> computations
> python-pyscipopt: SCIP mixed integer linear programming
> backend
> rubiks: Rubiks cube algorithms
> sage-data-cunningham_tables: list of prime numbers in the
> Cunningham table
> sagemath-doc: HTML documentation
> sagemath-giac: giac integration backend
> shared_meataxe: faster matrix arithmetic over finite
> fields
> sirocco: for computing the fundamental group of the
> complement of a plane curve
> topcom: to compute triangulations of point configurations
> Required By : None
> Optional For : None
> Conflicts With : None
> Replaces : None
> Installed Size : 517.14 MiB
> Packager : Antonio Rojas <aro...@archlinux.org>
> Build Date : Thu 12 Jun 2025 03:27:33 PM CDT
> Install Date : Sun 29 Jun 2025 06:55:46 PM CDT
> Install Reason : Explicitly installed
> Install Script : No
> Validated By : Signature
>
> >
>
> Any idea why giac integrate no longer works but Fricas and maxima work?
> (all installed using pacman).
>
> Do I need to set something special?
>
>
>
>
>
>
>
>
>
>
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