version 1.12, 2009/03/24 08:21:45 |
version 1.13, 2009/03/24 17:02:06 |
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@comment $OpenXM: OpenXM/src/asir-doc/parts/builtin/array.texi,v 1.11 2009/03/24 08:00:50 ohara Exp $ |
@comment $OpenXM: OpenXM/src/asir-doc/parts/builtin/array.texi,v 1.12 2009/03/24 08:21:45 ohara Exp $ |
\BJP |
\BJP |
@node $BG[Ns(B,,, $BAH$_9~$_H!?t(B |
@node $BG[Ns(B,,, $BAH$_9~$_H!?t(B |
@section $BG[Ns(B |
@section $BG[Ns(B |
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* mat matr matc:: |
* mat matr matc:: |
* size:: |
* size:: |
* det nd_det invmat:: |
* det nd_det invmat:: |
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* rowx rowm rowa colx colm cola:: |
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* qsort:: |
* qsort:: |
@end menu |
@end menu |
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\JP @item $B;2>H(B |
\JP @item $B;2>H(B |
\EG @item References |
\EG @item References |
@fref{ord}, @fref{vars}. |
@fref{ord}, @fref{vars}. |
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@end table |
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\JP @node rowx rowm rowa colx colm cola,,, $BG[Ns(B |
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\EG @node rowx rowm rowa colx colm cola,,, Arrays |
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@subsection @code{rowx}, @code{rowm}, @code{rowa}, @code{colx}, @code{colm}, @code{cola} |
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@findex rowx |
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@findex rowm |
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@findex rowa |
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@findex colx |
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@findex colm |
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@findex cola |
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@table @t |
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@item rowx(@var{matrix},@var{i},@var{j}) |
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\JP :: $BBh(B @var{i} $B9T$HBh(B @var{j} $B9T$r8r49$9$k(B. |
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\EG :: Exchanges the @var{i}-th and @var{j}-th rows. |
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@item rowm(@var{matrix},@var{i},@var{c}) |
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\JP :: $BBh(B @var{i} $B9T$r(B @var{c} $BG\$9$k(B. |
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\EG :: Multiplies the @var{i}-th row by @var{c}. |
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@item rowa(@var{matrix},@var{i},@var{c}) |
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\JP :: $BBh(B @var{i} $B9T$KBh(B @var{i} $B9T$N(B @var{c} $BG\$r2C$($k(B. |
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\EG :: Appends @var{c} times the @var{j}-th row to the @var{j}-th row. |
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@item colx(@var{matrix},@var{i},@var{j}) |
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\JP :: $BBh(B @var{i} $B9T$HBh(B @var{j} $B9T$r8r49$9$k(B. |
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\EG :: Exchanges the @var{i}-th and @var{j}-th columns. |
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@item colm(@var{matrix},@var{i},@var{c}) |
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\JP :: $BBh(B @var{i} $B9T$r(B @var{c} $BG\$9$k(B. |
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\EG :: Multiplies the @var{i}-th column by @var{c}. |
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@item cola(@var{matrix},@var{i},@var{c}) |
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\JP :: $BBh(B @var{i} $B9T$KBh(B @var{i} $B9T$N(B @var{c} $BG\$r2C$($k(B. |
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\EG :: Appends @var{c} times the @var{j}-th column to the @var{j}-th column. |
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@end table |
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@table @var |
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@item return |
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\JP $B9TNs(B |
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\EG matrix |
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@item @var{i}, @var{j} |
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\JP $B@0?t(B |
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\EG integers |
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@item @var{c} |
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\JP $B78?t(B |
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\EG coefficient |
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@end table |
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@itemize @bullet |
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\BJP |
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@item |
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$B9TNs$N4pK\JQ7A$r9T$&$?$a$N4X?t$G$"$k(B. |
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@item |
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$B9TNs$,GK2u$5$l$k$3$H$KCm0U$9$k(B. |
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\E |
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\BEG |
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@item |
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These operations are destructive for the matrix. |
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\E |
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@end itemize |
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@example |
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[0] A=newmat(3,3,[[1,2,3],[4,5,6],[7,8,9]]); |
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[ 1 2 3 ] |
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[ 4 5 6 ] |
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[ 7 8 9 ] |
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[1] rowx(A,1,2)$ |
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[2] A; |
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[ 1 2 3 ] |
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[ 7 8 9 ] |
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[ 4 5 6 ] |
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[3] rowm(A,2,x); |
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[ 1 2 3 ] |
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[ 7 8 9 ] |
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[ 4*x 5*x 6*x ] |
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[4] rowa(A,0,1,z); |
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[ 7*z+1 8*z+2 9*z+3 ] |
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[ 7 8 9 ] |
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[ 4*x 5*x 6*x ] |
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@end example |
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@table @t |
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\JP @item $B;2>H(B |
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\EG @item References |
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@fref{newmat matrix} |
@end table |
@end table |