wiki:WikiStart

Version 462 (modified by johanbosman, 2 years ago) (diff)

--

Welcome to the Sage Development Organization Page

Note: To get an account, read the trac guidelines, then  click here. Make sure you understand the review process, and the procedures for opening and closing tickets. See the Developer's Guide for more information.

Do not close tickets. See this section of the Developer's Guide for the reason why you should not close tickets.

View Ticket Lists

BLOCKERS:  List of blockers for the next release

Doctest  coverage reports

 Edit this wiki page if you are working on a documentation/doctest ticket.

Sage is free and open software that supports research and teaching in algebra, geometry, number theory, cryptography, etc. Both the Sage development model and the technology in Sage itself are distinguished by an extremely strong emphasis on openness, community, cooperation, and collaboration: we are building the car, not reinventing the wheel.

This web page lists both bugs in Sage and ideas for features to add to Sage. Please help Sage development by posting extensive information about all bugs you know of or find in Sage here, no matter how trivial.

Formatting hint for bug reports

Please use the {{{ and }}} tags to add code snippets and Sage session transcripts. For example:

{{{
  sage: 1 + 2
  3
}}}

displays as

  sage: 1 + 2
  3

You can enable syntax highlighting in these code snippets by using a hashbang (#!) followed by the name of the syntax; for example,

{{{
#!python
def spam ():
    eggs = 3
    return 1
pine_for_fjords()
}}}

displays as

def spam ():
    eggs = 3
    return 1
pine_for_fjords()

This also makes inline diff viewers if you choose the syntax name diff:

{{{
#!diff
# HG changeset patch
# Date 1300721936 0
foo

diff --git a/bar b/bar
--- a/bar
+++ b/bar
@@ -1,2 +1,3 @@
 baz
 quux
+xyzzy
}}}

displays as

  • bar

    # HG changeset patch
    # Date 1300721936 0
    foo
    
    diff --git a/bar b/bar
    a b  
    11baz 
    22quux 
     3xyzzy 

You can also use backticks (`) to demarcate inline code snippets, etc. This is useful around names like DiGraph to avoid an automatic wikilink (DiGraph?), like so: DiGraph. This can also be done for non-code names like MoinMoin (the name of the software behind the  sage wiki) by prepending an exclamation mark: !MoinMoin.

Browse Open Issues and Review Some Patches!

Use various reports located at  http://trac.sagemath.org/sage_trac/report to browse open tickets. Of particular note, reviewing tickets should be a high priority, because these tickets are typically almost ready to close with little effort. This is accessible from any page in Trac, by the "View Tickets" button.

If you are logged in, one particularly useful report is  this one, which gives all open tickets you've somehow participated in.

Here are  the public bug reports from the notebook interface.

Starting Points for Using Trac (this web site)

Account Names mapped to Real Names

Below is a list of about 250 of the roughly 510 account holders in Sage's trac. Feel free to add yourself here if you are still missing. Please sort alphabetically by username!

  1.  a.serrano - Alejandro Serrano (trupill at gmail dot com)
  2.  abergeron - Arnaud Bergeron
  3.  abmasse - Alexandre Blondin Massé (LaCIM, Université du Québec à Montréal, Canada)
  4.  aclaesson - Anders Claesson (Reykjavik University)
  5.  acleone - Alex Leone (UW)
  6.  adavid - Anthony David
  7.  aginiewicz - Andrzej Giniewicz
  8.  ahupfer - Alexander Hupfer
  9.  AJonsson - Anders Jonsson (Umeå University, Sweden)
  10.  AlexGhitza -  Alex Ghitza (University of Melbourne, Australia)
  11.  aliashamieh - Alia Hamieh
  12.  alubovsky - Arthur Lubovsky
  13.  aly.deines - Aly Deines
  14.  amca01 -  Alasdair McAndrew (Australia)
  15.  amhou - Andrew Hou (UW Undergrad)
  16.  amusselman -  Andrew Musselman (Rhapsody at Real Networks)
  17.  amyglen -  Amy Glen (Reykjavík University, Iceland)
  18.  andrew.mathas -  Andrew Mathas (University of Sydney, Australia)
  19.  annahaensch -  Anna Haensch (Wesleyan University)
  20.  araichev -  Alex Raichev (University of Auckland, New Zealand)
  21.  arminstraub -  Armin Straub (Tulane University, New Orleans)
  22.  aschilling -  Anne Schilling (UC Davis)
  23.  awebb - Adam Webb aka maxthemouse (Deutsches Elektonen-Synchrotron DESY in Hamburg, Germany)
  24.  bantieau - Benjamin Antieau (UIC)
  25.  bedwards - Ben Edwards (bedwards at cs dot unm dot edu)
  26.  benjaminfjones -  Benjamin Jones (University of Wisconsin-Stout)
  27.  bensmith - Ben Smith (smith at lix.polytechnique.fr)
  28.  bisson -  Gaetan Bisson
  29.  boothby - Tom Boothby
  30.  boussica - Adrien Boussicault
  31.  brett -  Brett Stevens (Carleton University, Ottawa, Canada)
  32.  broune -  Bjarke Hammersholt Roune
  33.  bsutton - Blair Sutton (London, UK)
  34.  bump - Daniel Bump (Stanford)
  35.  burcin - Burcin Erocal
  36.  bwonderly - William Wonderly (University of Puget Sound)
  37.  carlohamalainen -  Carlo Hamalainen
  38.  certik -  Ondřej Čertík
  39.  colah -  Christopher Olah
  40.  cpernet -  Clément Pernet
  41.  craigcitro - Craig Citro
  42.  cremona - John Cremona (University of Warwick, UK)
  43.  cschwan -  Christopher Schwan (Theoretical High Energy Physics (THEP) at Universität Mainz)
  44.  cswiercz - Chris Swierczewski (University of Washington)  Website
  45.  cturner - Charlie Turner (University of Warwick, UK)
  46.  cwitty - Carl Witty
  47.  dagss -  Dag Sverre Seljebotn
  48.  damek -  Damek Davis (UCLA)
  49.  DanaErnst -  Dana Ernst (Plymouth State University)
  50.  dangrayson -  Daniel R. Grayson
  51.  daniel.disegni - Daniel Disegni  http://www.math.columbia.edu/~disegni
  52.  davidloeffler -  David Loeffler (University of Warwick, UK)
  53.  ddrake -  Dan Drake (KAIST, Korea)
  54.  defeo -  Luca De Feo (Université de Rennes 1, France)
  55.  dfdeshom - Didier Deshommes
  56.  dgordon -  Dan Gordon (IDA Center for Communications Research, USA)
  57.  dimpase -  Dmitrii Pasechnik (NTU, Singapore)
  58.  djao -  David Jao (University of Waterloo, Canada)
  59.  dmhansen -  David Møller Hansen (DTU, Denmark)
  60.  dmharvey - David Harvey (New York University, USA)
  61.  dperkinson -  David Perkinson (Reed College, USA)
  62.  dpoetzsch - David Poetzsch-Heffter (Saarland University, Germany)
  63.  dpruessner - Daniel Pruessner (Fairchild Semiconductor, USA, TX)
  64.  drkirkby - David Kirkby
  65.  dsm - Douglas McNeil
  66.  dunfield -  Nathan Dunfield (University of Illinois, USA)
  67.  ebeyerstedt -  Erin Beyerstedt (Tulane University)
  68.  ecurry -  Eva Curry (Acadia University, Canada)
  69.  edward.scheinerman -  Ed Scheinerman (Johns Hopkins University, USA)
  70.  ekirkman - Emily Kirkman
  71.  evanandel - Ethan Van Andel (Calvin College, USA)
  72.  fbissey - François Bissey (University of Canterbury, New Zealand)
  73.  fccoelho - Flávio Codeço Coelho (Instituto Gulbenkian de Ciência)
  74.  fidelbarrera - Fidel Barrera-Cruz (University of Waterloo, Ontario, Canada)
  75.  flawrence - Felix Lawrence (University of Sydney, Australia)
  76.  fredrik.johansson - Fredrik Johansson
  77.  fstan - Flavia Stan (RISC, Johannes Kepler University Linz)
  78.  fwclarke -  Francis Clarke (Swansea University, Wales, UK)
  79.  gagansekhon - Gagan Sekhon
  80.  gbe -  Geoffrey Ehrman (University of New Hampshire)
  81.  GeorgSWeber - Georg S. Weber (Nürnberg, Germany)
  82.  gerbicz - Robert Gerbicz (ELTE, Hungary)
  83.  gerrob - Robert Gerbicz (ELTE, Hungary)
  84.  ggrafendorfer - Georg Grafendorfer (ETH Zürich, Switzerland)
  85.  ghtdak -  Glenn Tarbox (Seattle, WA)
  86.  giraudo - Samuele Giraudo (université de Marne-la-Vallée Paris-Est)
  87.  gmhossain -  Golam Mortuza Hossain (UNB, Canada)
  88.  gmoroz - Guillaume Moroz
  89.  goodok.alex - Alexey U. Gudchenko (Moscow, Russia)
  90.  gsmcwhirter -  Gregory McWhirter (UC Irvine)
  91.  hartke - Stephen Hartke (University of Nebraska-Lincoln)
  92.  hemmecke - Ralf Hemmecke (RISC, Johannes Kepler University Linz)
  93.  hgranath - Håkan Granath (Karlstad University, Sweden)
  94.  hivert - Florent Hivert (Université de Rouen, France)
  95.  hlaw - Hamish Ivey-Law (Université de la Méditerranée, France; University of Sydney, Australia)
  96.  iandrus - Ivan Andrus
  97.  itolkov - Igor Tolkov (University of Washington, Seattle)
  98.  jason -  Jason Grout (Drake University)
  99.  jasonbhill -  Jason B. Hill (University of Colorado)
  100.  jbandlow - Jason Bandlow (University of Pennsylvania, Philadelphia)
  101.  jblakeslee - Jeffrey Blakeslee
  102.  JCooley - Jenny Cooley (University of Warwick, UK)
  103.  jdc -  Dan Christensen (University of Western Ontario, London, Ontario)
  104.  jdemeyer -  Jeroen Demeyer (Ghent University, Belgium)
  105.  jeff.kantor - Jeff Kantor (University of Notre Dame)
  106.  jen - Jennifer Balakrishnan (MIT)
  107.  jeremywest -  Jeremy West (University of Michigan)
  108.  jgaski - Joanna Gaski (University of Washington, Seattle)
  109.  jhpalmieri -  John Palmieri (University of Washington, Seattle)
  110.  jjh -  Jonathan Hunt (University of Queensland, Australia)
  111.  jlefebvre - Jerome Lefebvre (University of British Columbia, Vancouver)
  112.  jleroy - Julien Leroy (Université de Picardie Jules Verne, France)
  113.  jlopez -  Javier López Peña (Queen Mary University of London, UK)
  114.  jmbr - Juan M. Bello Rivas (Universidad Politécnica de Madrid, Spain)  http://superadditive.com
  115.  jmichel -  Jean Michel (University Paris VII, France)
  116.  johanbosman -  Johan Bosman (University of Warwick, UK)
  117.  john_perry -  John Perry (University of Southern Mississippi, USA)
  118.  jonhanke - Jonathan Hanke (University of Georgia, Athens, GA)
  119.  joudinet -  Johan Oudinet (KIT, Karlsruhe, Germany)
  120.  jpflori -  Jean-Pierre Flori (TELECOM ParisTech (ENST), Paris, France)
  121.  jplabbe - Jean-Philippe Labbé (BMS-Freie Universitat, Berlin, Germany)
  122.  jrasch -  Jens Rasch
  123.  jrp - James Pfeiffer
  124.  jsp -  Jaap Spies
  125.  jsrn - Johan Sebastian Rosenkilde Nielsen (Technical University of Denmark)
  126.  jstjohn -  John St. John (University of California Santa Cruz, Santa Cruz, CA)
  127.  jsyri - Joni Syri
  128.  jthurber - John Thurber (Eastern Oregon University)
  129.  justin - Justin Walker (Stanford University, Palo Alto, CA)
  130.  jvkersch -  Joris Vankerschaver (University of California at San Diego, San Diego, CA)
  131.  jvoight - John Voight (University of Vermont, Burlington, VT)
  132.  jwmerrill - Jason Merrill (Yale University, New Haven CT)
  133.  katestange -  Katherine Stange (Simon Fraser University / Pacific Institute for the Mathematical Sciences at University of British Columbia, Vancouver, BC)
  134.  kbaker - Kirby Baker (Univ. of California, Los Angeles, CA)
  135.  kcrisman -  Karl-Dieter Crisman (Gordon College, Wenham MA)
  136.  kedlaya -  Kiran Kedlaya (MIT, Cambridge MA)
  137.  kevin.stueve - Kevin Stueve (University of Washington, Seattle)
  138.  khorton - Kevin Horton (Ottawa, Canada)
  139.  kimi - Kiminori Tsukazaki (University of Warwick)
  140.  kini -  Keshav Kini (NTU, Singapore)
  141.  kkilger -  Kilian Kilger (University of Heidelberg)
  142.  klee - Kwankyu Lee (Chosun University, Korea)
  143.  kmels - Carlos Lopez (Del Valle University, Guatemala)
  144.  koen -  Koen van de Sande (University of Amsterdam, Amsterdam)
  145.  kohel -  David Kohel (Institut de Mathematiques de Luminy, Marseille)
  146.  kthow - Kazuo Thow (University of Washington, Seattle, WA)
  147.  leif - Leif Leonhardy
  148.  lftabera - Luis Felipe Tabera Alonso (Universidad de Cantabria, Spain)
  149.  ljpk -  L. J. P. Kilford (University of Bristol)
  150.  logix - Harold Gutch (Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany)
  151.  lola - Lola Thompson (Dartmouth College, Hanover, NH)
  152.  Loufer - Luis F. Villegas, Minnesota (Just a SAGE aficionado)
  153.  lsampaio - Leonardo Sampaio
  154.  luebeck -  Frank Lübeck (RWTH Aachen)
  155.  mabshoff - Michael Abshoff (TU Dortmund)
  156.  malb - Martin Albrecht (Royal Holloway, University of London)
  157.  maldun - Stefan Reiterer (University of Graz, Austria)
  158.  mallet - Olivier Mallet (Université de Rouen, France)
  159.  mardaus - Michael Mardaus (University of Mainz, Germany)
  160.  mariah - Mariah Lenox
  161.  maxflander - Max Flander (University of Melbourne, Australia)
  162.  mderickx - Maarten Derickx (Universiteit Leiden, The Netherlands)
  163.  mguaypaq - Mathieu Guay-Paquet (University of Waterloo, Ontario)
  164.  mhampton -  Marshall Hampton (University of Minnesota, Duluth)
  165.  mhansen - Mike Hansen
  166.  minz -  Moritz Minzlaff (TU Berlin, Germany)
  167.  mjordan7 - Mark Jordan (Undergraduate at University of Washington)
  168.  mkasperski -  Marcin Kasperski
  169.  mknkra -  Manu K. Mohan
  170.  mmarco -  Miguel Marco
  171.  mmeulien -  Matthias Meulien
  172.  mmezzarobba -  Marc Mezzarobba (Ph.D. student, INRIA, France)
  173.  mora -  Peter Mora (Ph.D. student in Hungary)
  174.  Moredread - André-Patrick Bubel
  175.  mpatel - Mitesh Patel
  176.  mraum - Martin Raum (MPIM Bonn, Germany)
  177.  mrtrumbe - Matthew Trumbell
  178.  msoos -  Mate Soos
  179.  mstreng -  Marco Streng (University of Warwick, UK)
  180.  mtaranes - Maite Aranes (University of Warwick, UK)
  181.  mtphaovibul -  M.Tip Phaovibul (University of Illinois- Champaign-Urbana)
  182.  mvngu -  Minh Van Nguyen (Melbourne, Australia)
  183.  myurko - Michael Yurko
  184.  nborie - Nicolas Borie (Université Paris Sud XI, Orsay, France)
  185.  ncohen -  Nathann Cohen (Université Nice Sophia-Antipolis, France)
  186.  ncryan -  Nathan C. Ryan (Bucknell University, Pennsylvania, USA)
  187.  nharris -  Neal Harris (University of California, San Diego, USA)
  188.  niles -  Niles Johnson (University of Georgia, USA)
  189.  NilsSkoruppa - Nils Skoruppa (Universität Siegen, Germany)  http://www.countnumber.de
  190.  novoselt - Andrey Novoseltsev (University of Alberta, Edmonton)
  191.  nthiery - Nicolas M. Thiéry (Université Paris Sud XI, Orsay, France)
  192.  olazo - Oscar Gerardo Lazo Arjona (Universidad Autónoma de Yucatán, Yucatán, México)
  193.  pabryan -  Paul Bryan (Australian National University, ACT, Australia)
  194.  pang -  Pablo Angulo (UAM, Madrid, Spain)
  195.  pbruin -  Peter Bruin (Universiteit Leiden, Netherlands)
  196.  pbutler - Paul Butler (University of Waterloo, Ontario)
  197.  phil - Philipp Schneider (Universität Erlangen-Nürnberg)
  198.  pjeremy - Peter Jeremy
  199.  pmcnamara -  Peter McNamara (Bucknell University, Pennsylvania, USA)
  200.  psaade - Philippe Saadé (Lyon, France)
  201.  psinis - Phaedon Sinis (San Francisco, CA)
  202.  QuantumKing - Eric Webster
  203.  quimey - Quimey Vivas (Universidad de Buenos Aires, Argentina)
  204.  rbeezer -  Rob Beezer (Univ of Puget Sound, Tacoma, WA, USA)
  205.  rbk -  Richard B. Kreckel
  206.  rdingman - Ryan Dingman (University of Washington)
  207.  rhinton - Ryan Hinton (University of Virginia)
  208.  rishi - Rishikesh
  209.  rkirov - Radoslav Kirov
  210.  rlindner -  Richard Lindner (Technische Universität Darmstadt, Germany)
  211.  rlm -  Robert Miller (MSRI, Berkeley, CA)
  212.  robert.marik -  Robert Mařík (Mendel University in Brno, Brno, Czech Republic), supported by the grant  131/2010 FRVS
  213.  robert_goss - Robert Goss (University of Warwick, UK)
  214.  robertwb -  Robert Bradshaw (University of Washington, Seattle)
  215.  roed -  David Roe (Harvard University, Cambridge)
  216.  rohana - R. Andrew Ohana (University of Washington, Seattle)
  217.  ronanpaixao - Ronan Paixão (Brazil)
  218.  rossk - Ross Kyprianou (University of Melbourne, Australia)
  219.  rschwarz - Robert Schwarz (Heidelberg, Germany)
  220.  ryan - Ryan Grout (Provo, UT)
  221.  saliola -  Franco Saliola (Université de Marne-la-Vallée)
  222.  samhop - Sam Hopkins (University of Washington, Seattle)
  223.  sault - Shaun Ault (Fordham)
  224.  sbarthelemy - Sébastien Barthélemy (upmc, Paris)
  225.  sbulygin -  Stanislav Bulygin (University of Kaiserslautern)
  226.  scbou - Samuel Boucher (Université du Québec à Montréal, Canada)
  227.  schilly -  Harald Schilly (University of Vienna, Austria)
  228.  schymans -  Stan Schymanski (Max Planck Institute for Biogeochemistry)
  229.  simon - Simon Morris
  230.  SimonKing -  Simon King (Friedrich-Schiller-Universität, Germany)
  231.  sjanke - Scott Janke
  232.  slabbe -  Sébastien Labbé (LaCIM, Université du Québec à Montréal, Canada)
  233.  slewis -  Stephen Lewis (University of Washington, Seattle)
  234.  slosoi - Sami Losoi (Espoo, Finland)
  235.  spancratz - Sebastian Pancratz (Oxford University)
  236.  spice - Simon Spicer (University of Washington, Seattle)
  237.  stankewicz - Jim Stankewicz (University of Georgia, USA)
  238.  stumpc5 -  Christian Stump (LaCIM, Université du Québec à Montréal, Canada)
  239.  swinarsk - David Swinarski (University of Georgia, USA)
  240.  syazdani - Soroosh Yazdani
  241.  thevenyp - Philippe Theveny (INRIA, France)
  242.  timdumol -  Tim Dumol (University of the Philippines, Diliman)
  243.  tdupu -  Taylor Dupuy (University of New Mexico)
  244.  tjlahey - Tim Lahey
  245.  tjolivet -  Timo Jolivet (LIAFA, Paris and University of Turku]
  246.  tkluck - Timo Kluck (Utrecht University, Netherlands)
  247.  tmonteil - Thierry Monteil  CNRS, University of Montpellier, France and  LMA ;)
  248.  tnagel - Tobias Nagel (University of Mainz, Germany)
  249.  tombuc - Tomasz Buchert
  250.  tomc - Tom Coates (Imperial College London)
  251.  tornaria -  Gonzalo Tornaría (Universidad de la República, Uruguay)
  252.  tsutton - Taylor Sutton
  253.  uri - Oriol Castejón (Universitat Politècnica de Catalunya, Barcelona, Spain)
  254.  usarkar - Utpal Sarkar (HP, Barcelona and student at the UPC, Barcelona)
  255.  vbraun - Volker Braun (Dublin Institute for Advanced Studies)
  256.  vdelecroix -  Vincent Delecroix (Université de la Méditerranée, Marseille, France)
  257.  vferay - Valentin Féray (LaBRI, Bordeaux, France)
  258.  victor -  Victor Miller (Princeton, NJ)
  259.  was -  William Stein (University of Washington)
  260.  wcauchois -  Bill Cauchois (University of Washington, Seattle)
  261.  wdj - David Joyner
  262.  weigandt - Jamie Weigandt (Purdue University)
  263.  whuss - Wilfried Huss (Graz University of Technology, Austria)
  264.  wjlaffin -  William Laffin (Michigan Technological University)
  265.  wjp - Willem Jan Palenstijn
  266.  wuthrich - Chris Wuthrich (Nottingham, uk)
  267.  ylchapuy - Yann Laigle-Chapuy
  268.  yponty -  Yann Ponty (CNRS-Ecole Polytechnique)
  269.  zabrocki -  Mike Zabrocki (York University)
  270.  zimmerma -  Paul Zimmermann (LORIA/INRIA, Nancy, France)