function?d?=?disteu（x?y）
%?DISTEU?Pairwise?Euclidean?distances?between?columns?of?two?matrices
%求歐式距離
%?Input:
%???????x?y:???Two?matrices?whose?each?column?is?an?a?vector?data.
%
%?Output:
%???????d:??????Element?d（ij）?will?be?the?Euclidean?distance?between?two
%???????????????column?vectors?X（:i）?and?Y（:j）
%
%?Note:
%???????The?Euclidean?distance?D?between?two?vectors?X?and?Y?is:
%???????D?=?sum（（x-y）.^2）.^0.5

[M?N]?=?size（x）;
[M2?P]?=?size（y）;?

if?（M?~=?M2）
????error（‘Matrix?dimensions?do?not?match.‘）
end

d?=?zeros（N?P）;

if?（N?????copies?=?zeros（1P）;
????for?n?=?1:N
????????d（n:）?=?sum（（x（:?n+copies）?-?y）?.^2?1）;
????end
else
????copies?=?zeros（1N）;
????for?p?=?1:P
????????d（:p）?=?sum（（x?-?y（:?p+copies））?.^2?1）‘;
????end
end

d?=?d.^0.5;

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????文件?????????781??2009-03-07?15:57??disteu.m
?????文件????????1446??2018-05-20?10:46??Fofeveryone.m
?????文件????????1783??2018-05-20?10:43??mfcc.m
?????文件????????3943??2018-05-20?10:48??test2.m
?????文件?????????716??2018-05-20?10:46??tFofeveryone.m
?????文件????????3354??2018-05-20?10:33??vad2.m
?????文件?????????897??2009-03-17?11:25??vqlbg.m