%----------------------------------------------------------------
%?To?change?the?structure?of?a?matrix
%----------------------------------------------------------------
function?x=change（x）
[mn]=size（x）;
m1=m/2;
n1=n/2;
for?k=1:m1;
???for?l=1:n
??????a（kl）=x（kl）;
??????b（kl）=x（k+m1l）;
???end
???end
???for?k=1:m1;
??????for?l=1:n;
?????????x（kl）=b（kl）;
?????????x（k+m1l）=a（kl）;
??????end
??????end
?????

???

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????目錄??????????0??2006-04-08?12:40??041010

?????文件????????369??2003-12-03?17:09??041010\P_gama.m

?????文件????????835??2003-12-03?17:09??041010\P_y.m

?????文件????????894??2003-12-03?16:19??041010\Py_Pgama.m

?????文件????????446??2004-02-03?11:15??041010\change.m

?????文件??????48002??2003-12-03?10:21??041010\ecg.txt

?????文件????????955??2004-08-27?18:04??041010\exa010101.m

?????文件????????658??2004-08-27?18:04??041010\exa010102.m

?????文件????????700??2002-12-11?11:07??041010\exa010201a.m

?????文件???????1458??2002-12-11?11:27??041010\exa010201b.m

?????文件????????952??2004-08-27?18:05??041010\exa010301.m

?????文件???????1026??2004-08-27?18:05??041010\exa010302.m

?????文件????????991??2004-08-27?18:05??041010\exa010303.m

?????文件???????1468??2004-08-27?18:05??041010\exa010305.m

?????文件????????946??2004-08-27?18:05??041010\exa010501.m

?????文件????????679??2004-08-27?18:05??041010\exa011001.m

?????文件????????747??2004-08-27?18:06??041010\exa020103.m

?????文件????????736??2004-08-27?18:06??041010\exa020104.m

?????文件????????856??2004-08-27?18:06??041010\exa020105.m

?????文件???????1047??2004-08-27?18:06??041010\exa020503.m

?????文件???????1026??2004-08-27?18:06??041010\exa020601.m

?????文件????????828??2004-08-27?18:06??041010\exa030301.m

?????文件????????704??2004-08-27?18:06??041010\exa030302.m

?????文件????????860??2004-08-27?18:07??041010\exa030303.m

?????文件????????702??2004-08-27?18:07??041010\exa030304.m

?????文件????????666??2004-08-27?18:07??041010\exa030305.m

?????文件????????696??2004-08-27?18:07??041010\exa030306.m

?????文件????????689??2004-08-27?18:07??041010\exa030307.m

?????文件????????840??2004-08-27?18:07??041010\exa030402.m

?????文件????????698??2004-08-27?18:07??041010\exa030501a.m

............此處省略88個(gè)文件信息