7 %% http://www.michaelshell.org/
8 %% for current contact information.
10 %% This is a skeleton file demonstrating the use of IEEEtran.cls
11 %% (requires IEEEtran.cls version 1.7 or later) with an IEEE conference paper.
14 %% http://www.michaelshell.org/tex/ieeetran/
15 %% http://www.ctan.org/tex-archive/macros/latex/contrib/IEEEtran/
17 %% http://www.ieee.org/
19 %%*************************************************************************
21 %% This code is offered as-is without any warranty either expressed or
22 %% implied; without even the implied warranty of MERCHANTABILITY or
23 %% FITNESS FOR A PARTICULAR PURPOSE!
24 %% User assumes all risk.
25 %% In no event shall IEEE or any contributor to this code be liable for
26 %% any damages or losses, including, but not limited to, incidental,
27 %% consequential, or any other damages, resulting from the use or misuse
28 %% of any information contained here.
30 %% All comments are the opinions of their respective authors and are not
31 %% necessarily endorsed by the IEEE.
33 %% This work is distributed under the LaTeX Project Public License (LPPL)
34 %% ( http://www.latex-project.org/ ) version 1.3, and may be freely used,
35 %% distributed and modified. A copy of the LPPL, version 1.3, is included
36 %% in the base LaTeX documentation of all distributions of LaTeX released
37 %% 2003/12/01 or later.
38 %% Retain all contribution notices and credits.
39 %% ** Modified files should be clearly indicated as such, including **
40 %% ** renaming them and changing author support contact information. **
42 %% File list of work: IEEEtran.cls, IEEEtran_HOWTO.pdf, bare_adv.tex,
43 %% bare_conf.tex, bare_jrnl.tex, bare_jrnl_compsoc.tex
44 %%*************************************************************************
46 % *** Authors should verify (and, if needed, correct) their LaTeX system ***
47 % *** with the testflow diagnostic prior to trusting their LaTeX platform ***
48 % *** with production work. IEEE's font choices can trigger bugs that do ***
49 % *** not appear when using other class files. ***
50 % The testflow support page is at:
51 % http://www.michaelshell.org/tex/testflow/
55 % Note that the a4paper option is mainly intended so that authors in
56 % countries using A4 can easily print to A4 and see how their papers will
57 % look in print - the typesetting of the document will not typically be
58 % affected with changes in paper size (but the bottom and side margins will).
59 % Use the testflow package mentioned above to verify correct handling of
60 % both paper sizes by the user's LaTeX system.
62 % Also note that the "draftcls" or "draftclsnofoot", not "draft", option
63 % should be used if it is desired that the figures are to be displayed in
66 \documentclass[10pt, conference, compsocconf]{IEEEtran}
67 % Add the compsocconf option for Computer Society conferences.
69 % If IEEEtran.cls has not been installed into the LaTeX system files,
70 % manually specify the path to it like:
71 % \documentclass[conference]{../sty/IEEEtran}
77 % Some very useful LaTeX packages include:
78 % (uncomment the ones you want to load)
81 % *** MISC UTILITY PACKAGES ***
84 % Heiko Oberdiek's ifpdf.sty is very useful if you need conditional
85 % compilation based on whether the output is pdf or dvi.
92 % The latest version of ifpdf.sty can be obtained from:
93 % http://www.ctan.org/tex-archive/macros/latex/contrib/oberdiek/
94 % Also, note that IEEEtran.cls V1.7 and later provides a builtin
95 % \ifCLASSINFOpdf conditional that works the same way.
96 % When switching from latex to pdflatex and vice-versa, the compiler may
97 % have to be run twice to clear warning/error messages.
104 % *** CITATION PACKAGES ***
107 % cite.sty was written by Donald Arseneau
108 % V1.6 and later of IEEEtran pre-defines the format of the cite.sty package
109 % \cite{} output to follow that of IEEE. Loading the cite package will
110 % result in citation numbers being automatically sorted and properly
111 % "compressed/ranged". e.g., [1], [9], [2], [7], [5], [6] without using
112 % cite.sty will become [1], [2], [5]--[7], [9] using cite.sty. cite.sty's
113 % \cite will automatically add leading space, if needed. Use cite.sty's
114 % noadjust option (cite.sty V3.8 and later) if you want to turn this off.
115 % cite.sty is already installed on most LaTeX systems. Be sure and use
116 % version 4.0 (2003-05-27) and later if using hyperref.sty. cite.sty does
117 % not currently provide for hyperlinked citations.
118 % The latest version can be obtained at:
119 % http://www.ctan.org/tex-archive/macros/latex/contrib/cite/
120 % The documentation is contained in the cite.sty file itself.
127 % *** GRAPHICS RELATED PACKAGES ***
130 % \usepackage[pdftex]{graphicx}
131 % declare the path(s) where your graphic files are
132 % \graphicspath{{../pdf/}{../jpeg/}}
133 % and their extensions so you won't have to specify these with
134 % every instance of \includegraphics
135 % \DeclareGraphicsExtensions{.pdf,.jpeg,.png}
137 % or other class option (dvipsone, dvipdf, if not using dvips). graphicx
138 % will default to the driver specified in the system graphics.cfg if no
139 % driver is specified.
140 % \usepackage[dvips]{graphicx}
141 % declare the path(s) where your graphic files are
142 % \graphicspath{{../eps/}}
143 % and their extensions so you won't have to specify these with
144 % every instance of \includegraphics
145 % \DeclareGraphicsExtensions{.eps}
147 % graphicx was written by David Carlisle and Sebastian Rahtz. It is
148 % required if you want graphics, photos, etc. graphicx.sty is already
149 % installed on most LaTeX systems. The latest version and documentation can
151 % http://www.ctan.org/tex-archive/macros/latex/required/graphics/
152 % Another good source of documentation is "Using Imported Graphics in
153 % LaTeX2e" by Keith Reckdahl which can be found as epslatex.ps or
154 % epslatex.pdf at: http://www.ctan.org/tex-archive/info/
156 % latex, and pdflatex in dvi mode, support graphics in encapsulated
157 % postscript (.eps) format. pdflatex in pdf mode supports graphics
158 % in .pdf, .jpeg, .png and .mps (metapost) formats. Users should ensure
159 % that all non-photo figures use a vector format (.eps, .pdf, .mps) and
160 % not a bitmapped formats (.jpeg, .png). IEEE frowns on bitmapped formats
161 % which can result in "jaggedy"/blurry rendering of lines and letters as
162 % well as large increases in file sizes.
164 % You can find documentation about the pdfTeX application at:
165 % http://www.tug.org/applications/pdftex
171 % *** MATH PACKAGES ***
173 %\usepackage[cmex10]{amsmath}
174 % A popular package from the American Mathematical Society that provides
175 % many useful and powerful commands for dealing with mathematics. If using
176 % it, be sure to load this package with the cmex10 option to ensure that
177 % only type 1 fonts will utilized at all point sizes. Without this option,
178 % it is possible that some math symbols, particularly those within
179 % footnotes, will be rendered in bitmap form which will result in a
180 % document that can not be IEEE Xplore compliant!
182 % Also, note that the amsmath package sets \interdisplaylinepenalty to 10000
183 % thus preventing page breaks from occurring within multiline equations. Use:
184 %\interdisplaylinepenalty=2500
185 % after loading amsmath to restore such page breaks as IEEEtran.cls normally
186 % does. amsmath.sty is already installed on most LaTeX systems. The latest
187 % version and documentation can be obtained at:
188 % http://www.ctan.org/tex-archive/macros/latex/required/amslatex/math/
194 % *** SPECIALIZED LIST PACKAGES ***
196 %\usepackage{algorithmic}
197 % algorithmic.sty was written by Peter Williams and Rogerio Brito.
198 % This package provides an algorithmic environment fo describing algorithms.
199 % You can use the algorithmic environment in-text or within a figure
200 % environment to provide for a floating algorithm. Do NOT use the algorithm
201 % floating environment provided by algorithm.sty (by the same authors) or
202 % algorithm2e.sty (by Christophe Fiorio) as IEEE does not use dedicated
203 % algorithm float types and packages that provide these will not provide
204 % correct IEEE style captions. The latest version and documentation of
205 % algorithmic.sty can be obtained at:
206 % http://www.ctan.org/tex-archive/macros/latex/contrib/algorithms/
207 % There is also a support site at:
208 % http://algorithms.berlios.de/index.html
209 % Also of interest may be the (relatively newer and more customizable)
210 % algorithmicx.sty package by Szasz Janos:
211 % http://www.ctan.org/tex-archive/macros/latex/contrib/algorithmicx/
216 % *** ALIGNMENT PACKAGES ***
219 % Frank Mittelbach's and David Carlisle's array.sty patches and improves
220 % the standard LaTeX2e array and tabular environments to provide better
221 % appearance and additional user controls. As the default LaTeX2e table
222 % generation code is lacking to the point of almost being broken with
223 % respect to the quality of the end results, all users are strongly
224 % advised to use an enhanced (at the very least that provided by array.sty)
225 % set of table tools. array.sty is already installed on most systems. The
226 % latest version and documentation can be obtained at:
227 % http://www.ctan.org/tex-archive/macros/latex/required/tools/
230 %\usepackage{mdwmath}
232 % Also highly recommended is Mark Wooding's extremely powerful MDW tools,
233 % especially mdwmath.sty and mdwtab.sty which are used to format equations
234 % and tables, respectively. The MDWtools set is already installed on most
235 % LaTeX systems. The lastest version and documentation is available at:
236 % http://www.ctan.org/tex-archive/macros/latex/contrib/mdwtools/
239 % IEEEtran contains the IEEEeqnarray family of commands that can be used to
240 % generate multiline equations as well as matrices, tables, etc., of high
244 %\usepackage{eqparbox}
245 % Also of notable interest is Scott Pakin's eqparbox package for creating
246 % (automatically sized) equal width boxes - aka "natural width parboxes".
248 % http://www.ctan.org/tex-archive/macros/latex/contrib/eqparbox/
254 % *** SUBFIGURE PACKAGES ***
255 %\usepackage[tight,footnotesize]{subfigure}
256 % subfigure.sty was written by Steven Douglas Cochran. This package makes it
257 % easy to put subfigures in your figures. e.g., "Figure 1a and 1b". For IEEE
258 % work, it is a good idea to load it with the tight package option to reduce
259 % the amount of white space around the subfigures. subfigure.sty is already
260 % installed on most LaTeX systems. The latest version and documentation can
262 % http://www.ctan.org/tex-archive/obsolete/macros/latex/contrib/subfigure/
263 % subfigure.sty has been superceeded by subfig.sty.
267 %\usepackage[caption=false]{caption}
268 %\usepackage[font=footnotesize]{subfig}
269 % subfig.sty, also written by Steven Douglas Cochran, is the modern
270 % replacement for subfigure.sty. However, subfig.sty requires and
271 % automatically loads Axel Sommerfeldt's caption.sty which will override
272 % IEEEtran.cls handling of captions and this will result in nonIEEE style
273 % figure/table captions. To prevent this problem, be sure and preload
274 % caption.sty with its "caption=false" package option. This is will preserve
275 % IEEEtran.cls handing of captions. Version 1.3 (2005/06/28) and later
276 % (recommended due to many improvements over 1.2) of subfig.sty supports
277 % the caption=false option directly:
278 %\usepackage[caption=false,font=footnotesize]{subfig}
280 % The latest version and documentation can be obtained at:
281 % http://www.ctan.org/tex-archive/macros/latex/contrib/subfig/
282 % The latest version and documentation of caption.sty can be obtained at:
283 % http://www.ctan.org/tex-archive/macros/latex/contrib/caption/
288 % *** FLOAT PACKAGES ***
290 %\usepackage{fixltx2e}
291 % fixltx2e, the successor to the earlier fix2col.sty, was written by
292 % Frank Mittelbach and David Carlisle. This package corrects a few problems
293 % in the LaTeX2e kernel, the most notable of which is that in current
294 % LaTeX2e releases, the ordering of single and double column floats is not
295 % guaranteed to be preserved. Thus, an unpatched LaTeX2e can allow a
296 % single column figure to be placed prior to an earlier double column
297 % figure. The latest version and documentation can be found at:
298 % http://www.ctan.org/tex-archive/macros/latex/base/
302 %\usepackage{stfloats}
303 % stfloats.sty was written by Sigitas Tolusis. This package gives LaTeX2e
304 % the ability to do double column floats at the bottom of the page as well
305 % as the top. (e.g., "\begin{figure*}[!b]" is not normally possible in
306 % LaTeX2e). It also provides a command:
308 % to enable the placement of footnotes below bottom floats (the standard
309 % LaTeX2e kernel puts them above bottom floats). This is an invasive package
310 % which rewrites many portions of the LaTeX2e float routines. It may not work
311 % with other packages that modify the LaTeX2e float routines. The latest
312 % version and documentation can be obtained at:
313 % http://www.ctan.org/tex-archive/macros/latex/contrib/sttools/
314 % Documentation is contained in the stfloats.sty comments as well as in the
315 % presfull.pdf file. Do not use the stfloats baselinefloat ability as IEEE
316 % does not allow \baselineskip to stretch. Authors submitting work to the
317 % IEEE should note that IEEE rarely uses double column equations and
318 % that authors should try to avoid such use. Do not be tempted to use the
319 % cuted.sty or midfloat.sty packages (also by Sigitas Tolusis) as IEEE does
320 % not format its papers in such ways.
326 % *** PDF, URL AND HYPERLINK PACKAGES ***
329 % url.sty was written by Donald Arseneau. It provides better support for
330 % handling and breaking URLs. url.sty is already installed on most LaTeX
331 % systems. The latest version can be obtained at:
332 % http://www.ctan.org/tex-archive/macros/latex/contrib/misc/
333 % Read the url.sty source comments for usage information. Basically,
340 % *** Do not adjust lengths that control margins, column widths, etc. ***
341 % *** Do not use packages that alter fonts (such as pslatex). ***
342 % There should be no need to do such things with IEEEtran.cls V1.6 and later.
343 % (Unless specifically asked to do so by the journal or conference you plan
344 % to submit to, of course. )
347 % correct bad hyphenation here
348 \hyphenation{op-tical net-works semi-conduc-tor}
354 % can use linebreaks \\ within to get better formatting as desired
355 \title{A Krylov two-stage algorithm to solve large sparse linear systems}
357 %\title{A two-stage algorithm with error minimization to solve large sparse linear systems}
362 % author names and affiliations
363 % use a multiple column layout for up to two different
366 \author{\IEEEauthorblockN{Rapha\"el Couturier}
367 \IEEEauthorblockA{Femto-ST Institute - DISC Department\\
368 Universit\'e de Franche-Comt\'e, IUT de Belfort-Montb\'eliard\\
369 19 avenue de Mar\'echal Juin, BP 527 \\
370 90016 Belfort Cedex, France\\
371 Email: raphael.couturier@univ-fcomte.fr}
373 \IEEEauthorblockN{Lilia Ziane Khodja}
374 \IEEEauthorblockA{Centre de Recherche INRIA Bordeaux Sud-Ouest\\
375 200 avenue de la Vieille Tour\\
376 33405 Talence Cedex, France\\
377 Email: lilia.ziane@inria.fr}
380 % conference papers do not typically use \thanks and this command
381 % is locked out in conference mode. If really needed, such as for
382 % the acknowledgment of grants, issue a \IEEEoverridecommandlockouts
383 % after \documentclass
385 % for over three affiliations, or if they all won't fit within the width
386 % of the page, use this alternative format:
388 %\author{\IEEEauthorblockN{Michael Shell\IEEEauthorrefmark{1},
389 %Homer Simpson\IEEEauthorrefmark{2},
390 %James Kirk\IEEEauthorrefmark{3},
391 %Montgomery Scott\IEEEauthorrefmark{3} and
392 %Eldon Tyrell\IEEEauthorrefmark{4}}
393 %\IEEEauthorblockA{\IEEEauthorrefmark{1}School of Electrical and Computer Engineering\\
394 %Georgia Institute of Technology,
395 %Atlanta, Georgia 30332--0250\\ Email: see http://www.michaelshell.org/contact.html}
396 %\IEEEauthorblockA{\IEEEauthorrefmark{2}Twentieth Century Fox, Springfield, USA\\
397 %Email: homer@thesimpsons.com}
398 %\IEEEauthorblockA{\IEEEauthorrefmark{3}Starfleet Academy, San Francisco, California 96678-2391\\
399 %Telephone: (800) 555--1212, Fax: (888) 555--1212}
400 %\IEEEauthorblockA{\IEEEauthorrefmark{4}Tyrell Inc., 123 Replicant Street, Los Angeles, California 90210--4321}}
405 % use for special paper notices
406 %\IEEEspecialpapernotice{(Invited Paper)}
411 % make the title area
416 %The abstract goes here. DO NOT USE SPECIAL CHARACTERS, SYMBOLS, OR MATH IN YOUR TITLE OR ABSTRACT.
420 Iterative Krylov methods; sparse linear systems; error minimization; PETSC; %à voir...
424 % For peer review papers, you can put extra information on the cover
426 % \ifCLASSOPTIONpeerreview
427 % \begin{center} \bfseries EDICS Category: 3-BBND \end{center}
430 % For peerreview papers, this IEEEtran command inserts a page break and
431 % creates the second title. It will be ignored for other modes.
432 \IEEEpeerreviewmaketitle
437 % An example of a floating figure using the graphicx package.
438 % Note that \label must occur AFTER (or within) \caption.
439 % For figures, \caption should occur after the \includegraphics.
440 % Note that IEEEtran v1.7 and later has special internal code that
441 % is designed to preserve the operation of \label within \caption
442 % even when the captionsoff option is in effect. However, because
443 % of issues like this, it may be the safest practice to put all your
444 % \label just after \caption rather than within \caption{}.
446 % Reminder: the "draftcls" or "draftclsnofoot", not "draft", class
447 % option should be used if it is desired that the figures are to be
448 % displayed while in draft mode.
452 %\includegraphics[width=2.5in]{myfigure}
453 % where an .eps filename suffix will be assumed under latex,
454 % and a .pdf suffix will be assumed for pdflatex; or what has been declared
455 % via \DeclareGraphicsExtensions.
456 %\caption{Simulation Results}
460 % Note that IEEE typically puts floats only at the top, even when this
461 % results in a large percentage of a column being occupied by floats.
464 % An example of a double column floating figure using two subfigures.
465 % (The subfig.sty package must be loaded for this to work.)
466 % The subfigure \label commands are set within each subfloat command, the
467 % \label for the overall figure must come after \caption.
468 % \hfil must be used as a separator to get equal spacing.
469 % The subfigure.sty package works much the same way, except \subfigure is
470 % used instead of \subfloat.
473 %\centerline{\subfloat[Case I]\includegraphics[width=2.5in]{subfigcase1}%
474 %\label{fig_first_case}}
476 %\subfloat[Case II]{\includegraphics[width=2.5in]{subfigcase2}%
477 %\label{fig_second_case}}}
478 %\caption{Simulation results}
482 % Note that often IEEE papers with subfigures do not employ subfigure
483 % captions (using the optional argument to \subfloat), but instead will
484 % reference/describe all of them (a), (b), etc., within the main caption.
487 % An example of a floating table. Note that, for IEEE style tables, the
488 % \caption command should come BEFORE the table. Table text will default to
489 % \footnotesize as IEEE normally uses this smaller font for tables.
490 % The \label must come after \caption as always.
493 %% increase table row spacing, adjust to taste
494 %\renewcommand{\arraystretch}{1.3}
495 % if using array.sty, it might be a good idea to tweak the value of
496 % \extrarowheight as needed to properly center the text within the cells
497 %\caption{An Example of a Table}
498 %\label{table_example}
500 %% Some packages, such as MDW tools, offer better commands for making tables
501 %% than the plain LaTeX2e tabular which is used here.
502 %\begin{tabular}{|c||c|}
512 % Note that IEEE does not put floats in the very first column - or typically
513 % anywhere on the first page for that matter. Also, in-text middle ("here")
514 % positioning is not used. Most IEEE journals/conferences use top floats
515 % exclusively. Note that, LaTeX2e, unlike IEEE journals/conferences, places
516 % footnotes above bottom floats. This can be corrected via the \fnbelowfloat
517 % command of the stfloats package.
521 %%%*********************************************************
522 %%%*********************************************************
523 \section{Introduction}
525 % You must have at least 2 lines in the paragraph with the drop letter
526 % (should never be an issue)
527 %%%*********************************************************
528 %%%*********************************************************
532 %%%*********************************************************
533 %%%*********************************************************
534 \section{Related works}
535 %Wherever Times is specified, Times Roman or Times New Roman may be used. If neither is available on your system, please use the font closest in appearance to Times. Avoid using bit-mapped fonts if possible. True-Type 1 or Open Type fonts are preferred. Please embed symbol fonts, as well, for math, etc.
536 %%%*********************************************************
537 %%%*********************************************************
541 %%%*********************************************************
542 %%%*********************************************************
543 \section{A Krylov two-stage algorithm}
544 %%%*********************************************************
545 %%%*********************************************************
549 %%%*********************************************************
550 %%%*********************************************************
551 \section{Experiments using petsc}
552 %%%*********************************************************
553 %%%*********************************************************
557 %%%*********************************************************
558 %%%*********************************************************
560 %The conclusion goes here. this is more of the conclusion
561 %%%*********************************************************
562 %%%*********************************************************
566 % conference papers do not normally have an appendix
570 % use section* for acknowledgement
571 %%%*********************************************************
572 %%%*********************************************************
573 \section*{Acknowledgment}
574 %The authors would like to thank...
576 %%%*********************************************************
577 %%%*********************************************************
580 % trigger a \newpage just before the given reference
581 % number - used to balance the columns on the last page
582 % adjust value as needed - may need to be readjusted if
583 % the document is modified later
584 %\IEEEtriggeratref{8}
585 % The "triggered" command can be changed if desired:
586 %\IEEEtriggercmd{\enlargethispage{-5in}}
590 % can use a bibliography generated by BibTeX as a .bbl file
591 % BibTeX documentation can be easily obtained at:
592 % http://www.ctan.org/tex-archive/biblio/bibtex/contrib/doc/
593 % The IEEEtran BibTeX style support page is at:
594 % http://www.michaelshell.org/tex/ieeetran/bibtex/
595 %\bibliographystyle{IEEEtran}
596 % argument is your BibTeX string definitions and bibliography database(s)
597 %\bibliography{IEEEabrv,../bib/paper}
599 % <OR> manually copy in the resultant .bbl file
600 % set second argument of \begin to the number of references
601 % (used to reserve space for the reference number labels box)
602 \begin{thebibliography}{1}
604 \bibitem{IEEEhowto:kopka}
605 %H.~Kopka and P.~W. Daly, \emph{A Guide to \LaTeX}, 3rd~ed.\hskip 1em plus
606 % 0.5em minus 0.4em\relax Harlow, England: Addison-Wesley, 1999.
608 \end{thebibliography}