From: Jorge B. <fic...@us...> - 2006-09-10 13:09:52
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Update of /cvsroot/maxima/maxima/doc/info/pt In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv26977 Modified Files: augmented_lagrangian.texi Log Message: Manual Portuguese Translation. augmented_lagrangiano -> correcting translation errors. Index: augmented_lagrangian.texi =================================================================== RCS file: /cvsroot/maxima/maxima/doc/info/pt/augmented_lagrangian.texi,v retrieving revision 1.1 retrieving revision 1.2 diff -u -d -r1.1 -r1.2 --- augmented_lagrangian.texi 5 Jul 2006 13:40:33 -0000 1.1 +++ augmented_lagrangian.texi 10 Sep 2006 13:09:45 -0000 1.2 @@ -1,42 +1,42 @@ +@c Language: Portuguese, Encoding: iso-8859-1 +@c /augmented_lagrangian.texi/1.1/Mon Feb 27 22:09:17 2006// @menu -* Definitions for augmented_lagrangian:: +* Defini@value{cedilha}@value{o_til}es para augmented_lagrangian:: @end menu -@node Definitions for augmented_lagrangian, , augmented_lagrangian, augmented_lagrangian -@section Definitions for augmented_lagrangian - +@node Defini@value{cedilha}@value{o_til}es para augmented_lagrangian, , augmented_lagrangian, augmented_lagrangian +@section Defini@value{cedilha}@value{o_til}es para augmented_lagrangian -@defvr {Option variable} niter -Default value: 10 +@defvr {Vari@value{a_agu}vel de op@value{cedilha}@value{a_til}o} niter +Valor padr@~ao: 10 -Number of iterations for @code{augmented_lagrangian_method}. +N@'umero de itera@,{c}@~oes para @code{augmented_lagrangian_method}. @end defvr +@deffn {Fun@value{cedilha}@value{a_til}o} augmented_lagrangian_method (@var{FOM}, @var{xx}, @var{constraints}, @var{yy}) +M@'etodo do Lagrangiano Aumentado para otimiza@,{c}@~ao restrita. +@var{FOM} @'e o algarismo da express@~ao de m@'etodo, +@var{xx} @'e uma lista de vari@'aveis sobre as quais minimizar, +@var{constraints} @'e uma lista de express@~oes a serem mantidas iguais a zero, e +@var{yy} @'e uma lista de suposi@,{c}@~oes iniciais para @var{xx}. -@deffn {Function} augmented_lagrangian_method (@var{FOM}, @var{xx}, @var{constraints}, @var{yy}) -Augmented Lagrangian method for constrained optimization. -@var{FOM} is the figure of merit expression, -@var{xx} is a list of variables over which to minimize, -@var{constraints} is a list of expressions to be held equal to zero, and -@var{yy} is a list of initial guesses for @var{xx}. - -At present this code minimizes the augmented Lagrangian by -solving for a stationary point of its gradient. -That's pretty weak, and the code could be improved by plugging in -a conjugate gradient or quasi-Newton minimization algorithm. +Atualmente esse c@'odigo minimiza o Lagrangiano aumentado +resolvendo para um ponto estacion@'ario de seu gradiente. +Isso @'e terrivelmente fraco, e o c@'odigo pode ser melhorado anexando +um gradiente conjugado ou um algor@'itmo de minimiza@,{c}@~ao quasi-Newton. -For references see +Para refer@^encia veja @example http://www-fp.mcs.anl.gov/otc/Guide/OptWeb/continuous/constrained/nonlinearcon/auglag.html @end example -and +e @example http://www.cs.ubc.ca/spider/ascher/542/chap10.pdf @end example -Package @code{mnewton} (to solve grad @math{L = 0}) has to be loaded before calling @code{augmented_lagrangian_method}. +O pacote @code{mnewton} (para resolver grad @math{L = 0}) tem que ser chamado antes do @code{augmented_lagrangian_method}. -Example: +Exemplo: @example (%i1) load (mnewton)$ @@ -55,7 +55,7 @@ (%o7) [0.6478349834, 0.3239174917] @end example -To use this function write first @code{load("mnewton")} and @code{load("augmented_lagrangian")}. -See also @code{niter}. +Para usar essa fun@,{c}@~ao escreva primeiro @code{load("mnewton")} e em seguida @code{load("augmented_lagrangian")}. +Veja tamb@'em @code{niter}. @end deffn |