function?y?=?choosvd（?n?d）

if?n?<=?100?
????if?d?/?n?<=?0.02
????????y?=?1;
????else
????????y?=?0;
????end
elseif?n?<=?200
????if?d?/?n?<=?0.06
????????y?=?1;
????else
????????y?=?0;
????end
elseif?n?<=?300
????if?d?/?n?<=?0.26
????????y?=?1;
????else
????????y?=?0;
????end
elseif?n?<=?400
????if?d?/?n?<=?0.28
????????y?=?1;
????else
????????y?=?0;
????end
elseif?n?<=?500
????if?d?/?n?<=?0.34
????????y?=?1;
????else
????????y?=?0;
????end
else
????if?d?/?n?<=?0.38
????????y?=?1;
????else
????????y?=?0;
????end
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????3336??2000-05-27?08:40??inexact_alm_rpca\PROPACK\lanpro.txt
?????文件????????9083??2016-07-30?11:32??inexact_alm_rpca\lena.jpg
?????文件????????2885??2009-10-31?23:23??inexact_alm_rpca\inexact_alm_rpca.m
?????文件?????????560??2009-10-28?23:03??inexact_alm_rpca\choosvd.m
?????目錄???????????0??2016-07-30?15:28??inexact_alm_rpca\
?????文件????????6148??2009-10-31?23:23??inexact_alm_rpca\.DS_Store
?????目錄???????????0??2016-07-30?15:28??inexact_alm_rpca\PROPACK\
?????文件?????????202??1998-12-07?23:24??inexact_alm_rpca\PROPACK\Afunc.m
?????文件?????????224??1998-12-07?23:25??inexact_alm_rpca\PROPACK\AtAfunc.m
?????文件?????????232??1998-12-07?23:25??inexact_alm_rpca\PROPACK\Atransfunc.m
?????文件????????2599??1998-09-09?09:43??inexact_alm_rpca\PROPACK\update_gbound.m
?????文件?????????987??2009-07-02?14:28??inexact_alm_rpca\PROPACK\bdsqr.m
?????文件???????74546??2004-03-18?04:12??inexact_alm_rpca\PROPACK\bdsqr.mexglx
?????文件???????25208??2004-03-18?05:39??inexact_alm_rpca\PROPACK\bdsqr.mexsg
?????文件???????26109??2000-05-01?07:18??inexact_alm_rpca\PROPACK\bdsqr.mexsg64
?????文件???????95852??2000-05-26?08:14??inexact_alm_rpca\PROPACK\bdsqr.mexsol
?????文件???????55808??2009-03-14?16:23??inexact_alm_rpca\PROPACK\bdsqr.mexw32
?????文件????????2102??2004-03-18?03:41??inexact_alm_rpca\PROPACK\bdsqr_mex.c
?????文件????????1504??2000-05-29?17:52??inexact_alm_rpca\PROPACK\compute_int.m
?????文件?????????445??2004-03-18?03:28??inexact_alm_rpca\PROPACK\dbdqr.f
?????文件??????256353??1998-09-08?03:13??inexact_alm_rpca\PROPACK\helio.mat
?????文件????????3544??2000-05-27?07:45??inexact_alm_rpca\PROPACK\lanbpro.doc
?????文件???????19514??2000-06-08?08:27??inexact_alm_rpca\PROPACK\lanbpro.m
?????文件????????3544??2000-05-27?08:40??inexact_alm_rpca\PROPACK\lanbpro.txt
?????文件????????2522??2000-05-27?07:45??inexact_alm_rpca\PROPACK\laneig.doc
?????文件????????9695??2001-08-16?03:57??inexact_alm_rpca\PROPACK\laneig.m
?????文件????????2522??2000-05-27?08:40??inexact_alm_rpca\PROPACK\laneig.txt
?????文件????????3336??2000-05-27?07:46??inexact_alm_rpca\PROPACK\lanpro.doc
?????文件???????14762??2000-05-10?07:20??inexact_alm_rpca\PROPACK\lanpro.m
?????文件?????????251??2016-07-30?15:17??inexact_alm_rpca\test.m
?????文件????????2386??2000-05-27?07:46??inexact_alm_rpca\PROPACK\lansvd.doc
............此處省略28個文件信息