function?A?=?allcomb（varargin）
%?ALLCOMB?-?All?combinations
%????B?=?ALLCOMB（A1A2A3...AN）?returns?all?combinations?of?the?elements
%????in?A1?A2?...?and?AN.?B?is?P-by-N?matrix?is?which?P?is?the?product
%????of?the?number?of?elements?of?the?N?inputs.
%????Empty?inputs?yields?an?empty?matrix?B?of?size?0-by-N.?Note?that
%????previous?versions?（1.x）?simply?ignored?empty?inputs.
%
%????Example:
%???????allcomb（[1?3?5][-3?8][0?1]）?;
%?????????1??-3???0
%?????????1??-3???1
%?????????1???8???0
%?????????...
%?????????5??-3???1
%?????????5???8???0
%?????????5???8???1
%
%????ALLCOMB（A1..AN‘matlab‘）?causes?the?first?column?to?change?fastest.
%????This?is?more?consistent?with?matlab?indexing.?Example:
%????allcomb（1:23:45:6‘matlab‘）?%->
%??????1???3???5
%??????2???3???5
%??????1???4???5
%??????...
%??????2???4???6
%
%????This?functionality?is?also?known?as?the?cartesian?product.
%
%????See?also?NCHOOSEK?PERMS
%????and?COMBN?（Matlab?Central?FEX）

%?for?Matlab?R13+
%?version?2.1?（feb?2011）
%?（c）?Jos?van?der?Geest
%?email:?jos@jasen.nl

%?History
%?1.1?（feb?2006）?removed?minor?bug?when?entering?empty?cell?arrays;
%?????added?option?to?let?the?first?input?run?fastest?（suggestion?by?JD）
%?1.2?（jan?2010）?using?ii?as?an?index?on?the?left-hand?for?the?multiple
%?????output?by?NDGRID.?Thanks?to?Jan?Simon?for?showing?this?little?trick
%?2.0?（dec?2010）.?Bruno?Luong?convinced?me?that?an?empty?input?should
%?return?an?empty?output.
%?2.1?（feb?2011）.?A?cell?as?input?argument?caused?the?check?on?the?last
%??????argument?（specifying?the?order）?to?crash.

error（nargchk（1Infnargin））?;

%?check?for?empty?inputs
q?=?~cellfun（‘isempty‘varargin）?;
if?any（~q）
????warning（‘ALLCOMB:EmptyInput‘‘Empty?inputs?result?in?an?empty?output.‘）?;
????A?=?zeros（0nargin）?;
else
????
????ni?=?sum（q）?;
????
????argn?=?varargin{end}?;
????ischar（argn）
????if?ischar（argn）?&&?（strcmpi（argn‘matlab‘）?||?strcmpi（argn‘john‘））
????????%?based?on?a?suggestion?by?JD?on?the?FEX
????????ni?=?ni-1?;
????????ii?=?1:ni?;
????????q（end）?=?0?;
????else
????????%?enter?arguments?backwards?so?last?one?（AN）?is?changing?fastest
????????ii?=?ni:-1:1?;
????end
????
????if?ni==0
????????A?=?[]?;
????else
????????args?=?varargin（q）?;
????????if?~all（cellfun（‘isclass‘args‘double‘））
????????????error（‘All?arguments?should?be?arrays?of?doubles‘）?;
????????end
????????if?ni==1
????????????A?=?args{1}（:）?;
????????else
????????????%?flip?using?ii?if?last?column?is?changing?fastest
????????????[A{ii}]?=?ndgrid（args{ii}）?;
????????????%?concatenate
????????????A?=?reshape（cat（ni+1A{:}）[]ni）?;
????????end
????end
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2618??2014-05-11?05:46??DBN實例1\allcomb.m

?????文件??????93015??2015-01-21?08:57??DBN實例1\data1.mat

?????文件??????92845??2015-01-21?08:57??DBN實例1\data2.mat

?????文件??????92937??2015-01-21?08:57??DBN實例1\data3.mat

?????文件??????93438??2015-01-21?08:57??DBN實例1\data4.mat

?????文件????????671??2015-02-20?21:03??DBN實例1\dbnsetup.asv

?????文件????????665??2015-02-20?21:06??DBN實例1\dbnsetup.m

?????文件????????254??2015-02-11?19:10??DBN實例1\dbntrain.asv

?????文件????????308??2015-02-11?19:12??DBN實例1\dbntrain.m

?????文件????????674??2015-02-21?22:00??DBN實例1\dbnunfoldtonn.asv

?????文件????????674??2015-02-21?22:00??DBN實例1\dbnunfoldtonn.m

?????文件???????1958??2014-05-11?05:46??DBN實例1\expand.m

?????文件????????208??2014-05-11?05:46??DBN實例1\flicker.m

?????文件?????????80??2014-05-11?05:46??DBN實例1\flipall.m

?????文件????????543??2014-05-11?05:46??DBN實例1\fliplrf.m

?????文件????????576??2014-05-11?05:46??DBN實例1\flipudf.m

?????文件????????313??2014-05-11?05:46??DBN實例1\im2patches.m

?????文件????????108??2014-05-11?05:46??DBN實例1\isOctave.m

?????文件???????1895??2014-05-11?05:46??DBN實例1\makeLMfilters.m

?????文件???14735220??2014-05-11?05:46??DBN實例1\mnist_uint8.mat

?????文件????????169??2014-05-11?05:46??DBN實例1\myOctaveVersion.m

?????文件????????641??2015-02-11?18:32??DBN實例1\nnapplygrads.m

?????文件???????1691??2015-02-11?18:24??DBN實例1\nnbp.m

?????文件????????704??2014-05-11?05:46??DBN實例1\nnchecknumgrad.m

?????文件????????811??2014-05-11?05:46??DBN實例1\nneval.m

?????文件???????2225??2015-02-11?21:12??DBN實例1\nnff.asv

?????文件???????2225??2015-02-11?21:12??DBN實例1\nnff.m

?????文件????????192??2014-05-11?05:46??DBN實例1\nnpredict.m

?????文件???????2032??2015-02-11?17:01??DBN實例1\nnsetup.m

?????文件????????191??2017-12-31?15:18??DBN實例1\nntest.m

............此處省略29個文件信息