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??2019-01-26?19:41??圖像拼接\
?????文件?????5561344??2018-01-19?08:36??圖像拼接\SIFT算法詳解及應用（課件）.ppt
?????文件???????69455??2007-02-27?05:39??圖像拼接\keble_a.jpg
?????文件???????69819??2007-02-27?05:39??圖像拼接\keble_b.jpg
?????文件???????68821??2007-02-27?05:39??圖像拼接\keble_c.jpg
?????目錄???????????0??2019-01-25?11:51??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\
?????目錄???????????0??2010-07-25?06:32??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\
?????目錄???????????0??2019-01-25?11:51??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\mosaic\
?????文件??????????82??2010-07-25?06:30??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\mosaic\._.DS_Store
?????文件??????????82??2010-07-25?05:41??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\mosaic\._mosaic.pdf
?????文件?????????201??2009-11-09?03:13??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\mosaic\._paris
?????目錄???????????0??2019-01-25?11:51??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\mosaic\paris\
?????文件?????????201??2009-11-05?20:09??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\mosaic\paris\._paris_a.jpg
?????文件?????????201??2009-11-05?20:09??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\mosaic\paris\._paris_b.jpg
?????文件?????????201??2009-11-05?20:08??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\__MACOSX\mosaic\paris\._paris_c.jpg
?????目錄???????????0??2019-01-25?11:51??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\
?????文件????????6148??2010-07-25?06:30??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\.DS_Store
?????文件?????????846??2008-10-26?19:21??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\dist2.m
?????文件????????1274??2010-07-25?05:48??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\ext_desc.m
?????文件????????1559??2010-07-25?02:28??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\harris.m
?????文件????????1069??2008-10-26?19:30??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\hnormalise.m
?????文件????????2493??2008-10-26?19:30??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\homography2d.m
?????文件????????2380??2008-10-26?19:29??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\iscolinear.m
?????文件???????69455??2007-02-27?05:39??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\keble_a.jpg
?????文件???????69819??2007-02-27?05:39??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\keble_b.jpg
?????文件???????68821??2007-02-27?05:39??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\keble_c.jpg
?????文件????????4314??2010-07-25?05:55??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\mosaic.m
?????文件??????372769??2010-07-25?05:41??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\mosaic.pdf
?????文件????????2243??2008-10-26?19:26??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\normalise2dpts.m
?????目錄???????????0??2019-01-25?11:51??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\paris\
?????文件??????181033??2009-11-05?20:09??圖像拼接\sift_mosaic_2_瀹樼綉紼嬪簭\mosaic\paris\paris_a.jpg
............此處省略10個文件信息