function?n2?=?dist2（x?c）
%DIST2	Calculates?squared?distance?between?two?sets?of?points.
%
%	Description
%	D?=?DIST2（X?C）?takes?two?matrices?of?vectors?and?calculates?the
%	squared?Euclidean?distance?between?them.??Both?matrices?must?be?of
%	the?same?column?dimension.??If?X?has?M?rows?and?N?columns?and?C?has
%	L?rows?and?N?columns?then?the?result?has?M?rows?and?L?columns.??The
%	I?Jth?entry?is?the??squared?distance?from?the?Ith?row?of?X?to?the
%	Jth?row?of?C.
%
%	See?also
%	GMMACTIV?KMEANS?RBFFWD
%

%	Copyright?（c）?Christopher?M?Bishop?Ian?T?Nabney?（1996?1997）

[ndata?dimx]?=?size（x）;
[ncentres?dimc]?=?size（c）;
if?dimx?~=?dimc
	error（‘Data?dimension?does?not?match?dimension?of?centres‘）
end

n2?=?（ones（ncentres?1）?*?sum（（x.^2）‘?1））‘?+?...
??		ones（ndata?1）?*?sum（（c.^2）‘1）?-?...
??		2.*（x*（c‘））;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-07-25?00:31??mosaic\
?????文件????????6148??2010-07-25?00:30??mosaic\.DS_Store
?????目錄???????????0??2010-07-25?00:32??__MACOSX\
?????目錄???????????0??2010-07-25?00:32??__MACOSX\mosaic\
?????文件??????????82??2010-07-25?00:30??__MACOSX\mosaic\._.DS_Store
?????文件?????????846??2008-10-26?12:21??mosaic\dist2.m
?????文件????????1274??2010-07-24?23:48??mosaic\ext_desc.m
?????文件????????1559??2010-07-24?20:28??mosaic\harris.m
?????文件????????1069??2008-10-26?12:30??mosaic\hnormalise.m
?????文件????????2493??2008-10-26?12:30??mosaic\homography2d.m
?????文件????????2380??2008-10-26?12:29??mosaic\iscolinear.m
?????文件???????69455??2007-02-26?22:39??mosaic\keble_a.jpg
?????文件???????69819??2007-02-26?22:39??mosaic\keble_b.jpg
?????文件???????68821??2007-02-26?22:39??mosaic\keble_c.jpg
?????文件????????4314??2010-07-24?23:55??mosaic\mosaic.m
?????文件??????372769??2010-07-24?23:41??mosaic\mosaic.pdf
?????文件??????????82??2010-07-24?23:41??__MACOSX\mosaic\._mosaic.pdf
?????文件????????2243??2008-10-26?12:26??mosaic\normalise2dpts.m
?????目錄???????????0??2009-11-08?20:13??mosaic\paris\
?????文件??????181033??2009-11-05?13:09??mosaic\paris\paris_a.jpg
?????目錄???????????0??2010-07-25?00:32??__MACOSX\mosaic\paris\
?????文件?????????201??2009-11-05?13:09??__MACOSX\mosaic\paris\._paris_a.jpg
?????文件??????180911??2009-11-05?13:09??mosaic\paris\paris_b.jpg
?????文件?????????201??2009-11-05?13:09??__MACOSX\mosaic\paris\._paris_b.jpg
?????文件??????177405??2009-11-05?13:08??mosaic\paris\paris_c.jpg
?????文件?????????201??2009-11-05?13:08??__MACOSX\mosaic\paris\._paris_c.jpg
?????文件?????????201??2009-11-08?20:13??__MACOSX\mosaic\._paris
?????文件????????2282??2008-10-26?12:29??mosaic\randomsample.m
?????文件????????9953??2008-10-26?12:29??mosaic\ransac.m
?????文件????????5050??2008-10-26?12:19??mosaic\ransacfithomography.m
?????文件????????4538??2008-11-14?14:45??mosaic\vgg_gui_H.m
............此處省略1個文件信息