=================================================================== RCS file: /home/cvs/OpenXM/src/asir-contrib/packages/doc/Attic/plucker.oxweave,v retrieving revision 1.2 retrieving revision 1.6 diff -u -p -r1.2 -r1.6 --- OpenXM/src/asir-contrib/packages/doc/Attic/plucker.oxweave 2001/12/13 09:27:44 1.2 +++ OpenXM/src/asir-contrib/packages/doc/Attic/plucker.oxweave 2003/07/27 13:18:46 1.6 @@ -1,13 +1,13 @@ -@c $OpenXM: OpenXM/src/asir-contrib/packages/doc/plucker.oxweave,v 1.1 2001/12/02 07:43:04 takayama Exp $ - -/*&ja +@c $OpenXM: OpenXM/src/asir-contrib/packages/doc/plucker.oxweave,v 1.5 2003/02/13 03:25:34 takayama Exp $ +/*&C @node Plucker relations,,, Top +*/ +/*&ja @chapter Plucker 関係式 */ /*&en -@node Plucker relations,,, Top @chapter Plucker Relations */ @@ -17,6 +17,7 @@ * plucker:: * plucker_y:: * plucker_relation:: +* plucker_index:: @end menu */ @@ -40,13 +41,24 @@ $$ \sum_{k=0}^{m+1} (-1)^k /*&en - -Not yet written - +@node plucker,,, Plucker relations +@subsection plucker +@findex plucker +@tex +Consider $(m+1) \times n$ matrix. +The subsquare matrix consisting of $i_1, \ldots, i_m, j_k$ +columns is denoted by +$p_{i_1 \cdots i_m j_k}$. +The Plucker relation is +$$ \sum_{k=0}^{m+1} (-1)^k + p_{i_1 \cdots i_m j_k} + p_{j_0 \cdots {\hat j}_k \cdots j_{m+1}} = 0.$$ +This package provides functions for Plucker relations. +@end tex */ /*&ja -@node plucker_relation,,, Plucker relation +@node plucker_relation,,, Plucker relations @subsection @code{plucker_relation} @findex plucker_relation @table @t @@ -62,9 +74,15 @@ quote リスト @end table @itemize @bullet -@item @var{L} には, Plucker 関係式の @tex $i_1, \ldots, i_m$ @end tex +@item @var{L} には, Plucker 関係式の +@tex +$i_1, \ldots, i_m$ +@end tex を, -@var{M} には, Plucker 関係式の @tex $j_0, \ldots, j_{m+1}$ @end tex +@var{M} には, Plucker 関係式の +@tex +$j_0, \ldots, j_{m+1}$ +@end tex を与える. @end itemize @example @@ -78,12 +96,46 @@ y_4_5_6*y_1_2_3-y_3_5_6*y_1_2_4+y_3_4_6*y_1_2_5-y_3_4_ /*&en -Not yet written. +@node plucker_relation,,, Plucker relations +@subsection @code{plucker_relation} +@findex plucker_relation +@table @t +@item plucker_relation(@var{L},@var{M}) +:: Returns the plucker relation defined by the index sets @var{L} + and @var{M}. +@end table +@table @var +@item return +quote +@item L +List +@item M +List +@end table +@itemize @bullet +@item @var{L} is the index set +@tex +$i_1, \ldots, i_m$ +@end tex +of the plucker relations and +@var{M} is the index set +@tex +$j_0, \ldots, j_{m+1}$ +@end tex +of the plucker relations. +@end itemize +@example +[297] A = plucker_relation([1,2],[3,4,5,6]); +quote(y_1_2_3*y_4_5_6-y_1_2_4*y_3_5_6+y_1_2_5*y_3_4_6-y_1_2_6*y_3_4_5) +[298] eval_str(print_terminal_form(A)); +y_4_5_6*y_1_2_3-y_3_5_6*y_1_2_4+y_3_4_6*y_1_2_5-y_3_4_5*y_1_2_6 +@end example + */ /*&ja -@node plucker_y,,, Plucker relation +@node plucker_y,,, Plucker relations @subsection @code{plucker_y} @findex plucker_y @table @t @@ -112,7 +164,42 @@ y_1_2_3 /*&en -Not yet written +@node plucker_y,,, Plucker relations +@subsection @code{plucker_y} +@findex plucker_y +@table @t +@item plucker_y(@var{L}) +:: Returns the variable standing for the index @var{L}. +@end table +@table @var +@item return +Variable +@item L +List +@end table +@itemize @bullet +@item Index set @var{L} is sorted and the sign is evaluated +by the sorting. +@end itemize +@example +[297] plucker_y([1,2,3]); +y_1_2_3 +[298] plucker_y([2,1,3]); +-y_1_2_3 + +@end example + */ +/*&ja + +@include plucker-auto-ja.texi + +*/ + +/*&en + +@include plucker-auto-en.texi + +*/