Yacas

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Yacas er akronym for Yet Another Computer Algebra System, er et frit Computer Algebra System (CAS).

Yacas anvendes i regning og matematik samt naturvidenskaber og ingiørvidenskaber.[1] Yacas kan foretage symbolsk manipulation af matematiske udtryk.[2]

Yacas er offentliggjort som GNU Lesser General Public License.

Der findes en interface til Yacas ved navn Ryacas.[3]

Programmeringssprog[redigér | redigér wikikode]

Yacas er skrevet i programmeringssproget C++[4]

Historie[redigér | redigér wikikode]

Yacas blev lanceret i 1999.[5]

Features og kommanoer (uddrag)[redigér | redigér wikikode]

Yacas kan bl.a.:[6][7]

Yacas har flere kommandoer til fælles med andre programmer[9][10] bl.a.: Mathematica,[11] Maple,[12][13] Xcas[14] og GeoGebra[15] samt med grafregnerne TI-89,[16] TI-92, Voyage 200 og TI-Nspire.

Styresystemer[redigér | redigér wikikode]

Yacas findes til disse tre styresystemer:

Se også[redigér | redigér wikikode]

Yacas hører til denne gruppe[17] af CAS-softwares[18]

Navn Software licens Programmeringssprog MS Windows macOS Linux Andre OS Kommando løser differentialligning Note og kilde
CPMP-Tools freeware eller fri software java Windows macOS Linux [19]
ExpressionsinBar freeware eller fri software ? 64 bit app for macOS desolve( , ) [20]
GeoGebra freeware eller fri software java Windows macOS Linux Android & iOS SolveODE([21] også som web app[22]
Maple * kommerciel C, Java, Maple Windows macOS Linux dsolve , [23] [24]
Mathematica * kommerciel Wolfram Language,  Lisp Windows macOS Linux Solaris DSolve( , )[25] også som web[26] app[27]
MATLAB kommerciel C/C++, MATLAB Windows macOS Linux [28]
Maxima freeware eller fri software Common Lisp Windows macOS Linux Android ode2 (eqn, dvar, ivar)[29] også som online app[30]
SageMath freeware eller fri software Python 3 Windows macOS Linux desolve( , )[31] [32]
Singular freeware eller fri software C++ Windows macOS Linux findes[33] også online[34]
TI-Nspire CX CAS kommerciel ? Windows macOS deSolve(, ,)[35] [36][37]
TI-89 simulator & TI-92 Plus emulator freeware eller fri software ? online deSolve(, ,) [38][39]
Xcas freeware eller fri software C++ Windows macOS Linux desolve( , )[40] [41]
Yacas freeware eller fri software C++ Windows macOS Linux OdeSolve( )[42] [43]

* løser også triple integraler.

Referencer[redigér | redigér wikikode]

  1. ^ https://www.fim.uni-passau.de/schueler-lehrer/mathespiele-und-tools/tools/
  2. ^ https://cran.curtin.edu.au/web/packages/Ryacas/Ryacas.pdf
  3. ^ http://ftp.uni-bayreuth.de/math/statlib/R/CRAN/doc/vignettes/Ryacas/Ryacas.pdf
  4. ^ The yacas Open Source Project on Open Hub: Languages Page. (https://www.openhub.net/ p/yacas/analyses/latest/languages_summary) In: Open Hub. (abgerufen am 30. Oktober 2018).
  5. ^ Pinkus, Ayal Z.; Winitzki, Serge (2002), "Yacas : A Do-It-Yourself Symbolic Algebra Environment", Artificial Intelligence, Automated Reasoning, and Symbolic Computation (htt p://www.springerlink.com/content/j368wkh0yq00bdp3/), Lecture Notes in Computer Science, 2385, Springer, pp. 332–336
  6. ^ Reference Manual — Yacas. (https://yacas.readthedocs.io/en/latest/reference_manual/inde x.html)
  7. ^ Tutorial — Yacas. (https://yacas.readthedocs.io/en/latest/tutorial/)
  8. ^ https://dblp.uni-trier.de/rec/html/conf/aisc/PinkusW02
  9. ^ https://publikationen.sulb.uni-saarland.de/bitstream/20.500.11880/26153/1/goguadzeDiss2011.pdf
  10. ^ https://www.mathematik.uni-kassel.de/ACA2016/docs/ACAproc.pdf
  11. ^ http://web.mit.edu/axiom-math_v8.14/arch/amd64_ubuntu1404/mnt/ubuntu64/doc/rosetta.pdf
  12. ^ A brief list of the most important commands in YACAS, with examples. (http://lateblt.tripod.c om/yacas.htm)
  13. ^ https://www.bccms.uni-bremen.de/fileadmin/BCCMS/CMS/lehre/compsoft1/02_Maple_Intro.pdf
  14. ^ yaCAS - xCAS for nspire blue. (https://www.omnimaga.org/ti-nspire-projects/yacas-xcas-for- nspire-blue/)
  15. ^ https://www.dms.uni-landau.de/roth/veroeffentlichungen/systematische_variation_vernetzung_geometrie_algebra/roth_systematische_variation_eine_lernumgebung_vernetzt_geometrie_und_algebra.pdf
  16. ^ https://sourceforge.net/p/yacas/mailman/yacas-devel/thread/482EFAFB.8050008@cesmail.net/
  17. ^ https://www.ubuntupit.com/top-20-best-computer-algebra-systems-for-linux/
  18. ^ https://enacademic.com/dic.nsf/enwiki/1062713
  19. ^ http://www.core-plusmath.org/CPMP-Tools/
  20. ^ http://www.alelvisoftware.com/Expressions/ExpressionsinBar.html
  21. ^ https://wiki.geogebra.org/en/SolveODE_Command
  22. ^ https://www.geogebra.org/classic?lang=da
  23. ^ https://www.maplesoft.com/support/help/Maple/view.aspx?path=dsolve%2finteractive
  24. ^ https://www.maplesoft.com/
  25. ^ https://reference.wolfram.com/language/tutorial/DSolveIntroduction.html
  26. ^ https://www.wolframalpha.com/
  27. ^ https://www.wolfram.com/mathematica/
  28. ^ https://www.mathworks.com/products/matlab.html
  29. ^ https://maxima.sourceforge.io/docs/manual/maxima_105.html#ode2
  30. ^ https://web.archive.org/web/20181101184600/http://maxima-online.org/
  31. ^ https://doc.sagemath.org/html/en/reference/calculus/sage/calculus/desolvers.html
  32. ^ https://www.sagemath.org/
  33. ^ https://www.singular.uni-kl.de/
  34. ^ https://www.singular.uni-kl.de:8003/
  35. ^ https://sites.google.com/a/boag.nu/ti-nspire-hjaelp/differentialligninger
  36. ^ https://education.ti.com/en/software/details/en/3dc447eb50e0466697761768fe3b6391/student-nspirecxcas
  37. ^ https://education.ti.com/html/webhelp/EG_TINspire/DA/index.html
  38. ^ https://ti89-simulator.com/
  39. ^ https://tiplanet.org/emu68k_fork/
  40. ^ http://www-fourier.ujf-grenoble.fr/~parisse/giac/cascmd_en.pdf
  41. ^ https://www-fourier.ujf-grenoble.fr/~parisse/giac.html
  42. ^ https://yacas.readthedocs.io/en/latest/reference_manual/ode.html?highlight=desolve#OdeSolve
  43. ^ http://www.yacas.org/

Eksterne henvisninger[redigér | redigér wikikode]