%----------------------------------------------------------------
%?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????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????446??2004-02-03?11:15??現代信號處理教程（胡廣書）源代碼\change.m
?????文件???????48002??2003-12-03?10:21??現代信號處理教程（胡廣書）源代碼\ecg.txt
?????文件?????????954??2017-11-21?13:34??現代信號處理教程（胡廣書）源代碼\exa010101.m
?????文件?????????658??2004-08-27?18:04??現代信號處理教程（胡廣書）源代碼\exa010102.m
?????文件?????????700??2002-12-11?11:07??現代信號處理教程（胡廣書）源代碼\exa010201a.m
?????文件????????1458??2002-12-11?11:27??現代信號處理教程（胡廣書）源代碼\exa010201b.m
?????文件?????????952??2004-08-27?18:05??現代信號處理教程（胡廣書）源代碼\exa010301.m
?????文件????????1026??2004-08-27?18:05??現代信號處理教程（胡廣書）源代碼\exa010302.m
?????文件?????????991??2004-08-27?18:05??現代信號處理教程（胡廣書）源代碼\exa010303.m
?????文件????????1468??2004-08-27?18:05??現代信號處理教程（胡廣書）源代碼\exa010305.m
?????文件?????????946??2004-08-27?18:05??現代信號處理教程（胡廣書）源代碼\exa010501.m
?????文件?????????679??2004-08-27?18:05??現代信號處理教程（胡廣書）源代碼\exa011001.m
?????文件?????????747??2004-08-27?18:06??現代信號處理教程（胡廣書）源代碼\exa020103.m
?????文件?????????736??2004-08-27?18:06??現代信號處理教程（胡廣書）源代碼\exa020104.m
?????文件?????????856??2004-08-27?18:06??現代信號處理教程（胡廣書）源代碼\exa020105.m
?????文件????????1047??2004-08-27?18:06??現代信號處理教程（胡廣書）源代碼\exa020503.m
?????文件????????1026??2004-08-27?18:06??現代信號處理教程（胡廣書）源代碼\exa020601.m
?????文件?????????828??2004-08-27?18:06??現代信號處理教程（胡廣書）源代碼\exa030301.m
?????文件?????????704??2004-08-27?18:06??現代信號處理教程（胡廣書）源代碼\exa030302.m
?????文件?????????860??2004-08-27?18:07??現代信號處理教程（胡廣書）源代碼\exa030303.m
?????文件?????????702??2004-08-27?18:07??現代信號處理教程（胡廣書）源代碼\exa030304.m
?????文件?????????666??2004-08-27?18:07??現代信號處理教程（胡廣書）源代碼\exa030305.m
?????文件?????????696??2004-08-27?18:07??現代信號處理教程（胡廣書）源代碼\exa030306.m
?????文件?????????689??2004-08-27?18:07??現代信號處理教程（胡廣書）源代碼\exa030307.m
?????文件?????????840??2004-08-27?18:07??現代信號處理教程（胡廣書）源代碼\exa030402.m
?????文件?????????698??2004-08-27?18:07??現代信號處理教程（胡廣書）源代碼\exa030501a.m
?????文件?????????695??2004-08-27?18:08??現代信號處理教程（胡廣書）源代碼\exa030501b.m
?????文件?????????727??2004-08-27?18:08??現代信號處理教程（胡廣書）源代碼\exa030502a.m
?????文件?????????747??2004-08-27?18:08??現代信號處理教程（胡廣書）源代碼\exa030502b.m
?????文件?????????726??2004-08-27?18:08??現代信號處理教程（胡廣書）源代碼\exa030503a.m
?????文件?????????724??2004-08-27?18:08??現代信號處理教程（胡廣書）源代碼\exa030503b.m
............此處省略83個文件信息