%???version?2.0?--Jun/2010?
%???version?1.0?--Feb/2008?

%???written?by?Shiming?Xiang?（?smxiang@gmail.com?）?


function?dist?=?calcu_between_distance_matrix_iter（XR?XS）

%?XR:?????the?reference?data?points?each?column?is?a?data?point;
%?XS:?????the?data?points?for?calculating?the?distance?matrix?from?XS?to?XR.?Each?column?is?a?data?point

%?dist:??squared?distance:?each?row?is?a?distance?vector?for?a?data?point?w.r.t.?XR




[D?Nr]?=?size（XR）;
[D?Ns]?=?size（XS）;

X2?=?sum（XR.^2?1）;??????????????%?square?each?element?and?then?add?each?column
dist?=??zeros（Ns?Nr）;

%?I?do?not?thinkwritting?the?following?sentences?with?a?for-loop?is?a?good?selection.?Actually?we?can?try?to?use?technique?of?block?matrices?to?speed?up?the?computaion.

for?i?=?1:?Ns
????XX?=?XS（:i）;??????????????????????????????????????????????%?extract?the?i-th?column
????XX2?=?（XX‘?*?XX）?*?ones（1?Nr）;
????dist_temp?=?XX2?-?2?*?XX‘?*?XR;
????distance?=?X2?+?dist_temp;
????dist（i?:）?=?distance;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????116618??2007-12-13?15:42??001.bmp
?????文件??????116618??2008-04-12?20:17??001_label.bmp
?????文件???????40362??2010-06-09?10:16??001_spline.bmp
?????文件??????227754??2008-04-20?17:33??002.bmp
?????文件??????227754??2008-04-20?18:11??002_label.bmp
?????文件???????77578??2010-06-09?10:19??002_spline.bmp
?????文件??????227754??2008-04-25?11:58??scissors.bmp
?????文件??????227754??2008-04-25?12:19??scissors_label.bmp
?????文件???????77578??2010-06-09?10:16??scissors_spline.bmp
?????文件????????2752??2008-04-12?20:20??data_image_kmeans_001.mat
?????文件????????3811??2008-04-25?12:19??data_image_kmeans_scissors.mat
?????文件????????1025??2010-06-09?12:16??calcu_between_distance_matrix_iter.m
?????文件?????????625??2010-06-09?12:16??calcu_distance_matrix_iter.m
?????文件?????????884??2010-06-09?14:01??construct_coefficient_matrix.m
?????文件????????6062??2010-06-09?12:37??call_segmentation.m
?????文件?????????678??2010-06-09?12:17??cvrt_img_to_matrix.m
?????文件????????5491??2010-06-09?11:40??demo_for_figure_01.m
?????文件????????5504??2010-06-09?11:24??demo_for_figure_scissors_image.m
?????文件????????2402??2010-06-09?12:36??demo_for_your_own_image.m
?????文件?????????999??2010-06-09?12:18??extract_label_from_image.m
?????文件????????1331??2010-06-09?12:18??post_process_image_for_two_class_regression.m
?????文件????????2143??2010-06-09?12:18??reshape_to_image.m
?????文件?????????752??2010-06-09?14:02??solve_linear_system.m
?????文件?????????665??2010-06-09?12:18??spline_regression.m
?????文件????????3062??2010-06-09?12:19??transform_spline.m
?????文件????????1990??2010-06-09?10:51??readme.txt