function?[fexphidinp]?=?crbmfe（datavishideffhidbiaseffvisbias）

%data?is?the?current?setting?of?the?visible?variables
%if?there?are?multiple?rows?we?return?free?energy?for?each?row
%returns?free?energy?（negative?log?probability）
%also?returns?exphidinp?so?we?don‘t?need?to?call?exp?again
%（e.g.?for?computing?sigmoid）
[numcasesnumdims]?=?size（data）;

mismatch?=?data?-?effvisbias;
visterm?=?sum（mismatch.^22）/2;?%sum?over?dimensions?assume?sd?is?1

%Term?calculated?by?summing?over?hiddens
hidinp?=?data*vishid?+?effhidbias;
exphidinp?=?exp（hidinp）;?%cache?this?computation
hidterm?=?log（1?+?exphidinp）;
hidterm?=?sum（hidterm2）;?%sum?over?hiddens

f?=?visterm?-?hidterm;

%?%now?for?the?gradients?with?respect?to?each?dim?of?visible
%?
%?poshidprobs?=?1./（1?+?exp（-hidinp））;
%?topdown?=?w‘*poshidprobs;?%total?input?from?hiddens?to?each?unit
%?
%?df?=?mismatch?-?topdown;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-06-26?02:38??imCRBM-master\
?????文件???????????4??2012-06-26?02:38??imCRBM-master\.gitignore
?????目錄???????????0??2012-06-26?02:38??imCRBM-master\Motion\
?????文件????????1649??2012-06-26?02:38??imCRBM-master\Motion\RotMat2Euler.m
?????文件????????1235??2012-06-26?02:38??imCRBM-master\Motion\batchConvertBVH.m
?????文件????????1062??2012-06-26?02:38??imCRBM-master\Motion\batchConvertCMU.m
?????文件????????1195??2012-06-26?02:38??imCRBM-master\Motion\bvh2expmap.m
?????文件?????????982??2012-06-26?02:38??imCRBM-master\Motion\dropframes.m
?????文件????????3165??2012-06-26?02:38??imCRBM-master\Motion\euler2expmap.m
?????文件????????5185??2012-06-26?02:38??imCRBM-master\Motion\exp2xyz.m
?????文件????????2108??2012-06-26?02:38??imCRBM-master\Motion\expModify.m
?????文件????????3597??2012-06-26?02:38??imCRBM-master\Motion\expPlayData.m
?????文件????????2036??2012-06-26?02:38??imCRBM-master\Motion\expVisualise.m
?????文件?????????560??2012-06-26?02:38??imCRBM-master\Motion\expmap2rotmat.m
?????文件????????1149??2012-06-26?02:38??imCRBM-master\Motion\postprocess.m
?????文件????????4052??2012-06-26?02:38??imCRBM-master\Motion\postprocess1.m
?????文件????????9866??2012-06-26?02:38??imCRBM-master\Motion\postprocess2.m
?????文件????????7474??2012-06-26?02:38??imCRBM-master\Motion\preprocess1.m
?????文件????????5185??2012-06-26?02:38??imCRBM-master\Motion\preprocess2.m
?????文件????????2964??2012-06-26?02:38??imCRBM-master\Motion\preprocess2_test.m
?????文件?????????713??2012-06-26?02:38??imCRBM-master\Motion\quat2expmap.m
?????文件????????1163??2012-06-26?02:38??imCRBM-master\Motion\rotationMatrix.m
?????文件?????????148??2012-06-26?02:38??imCRBM-master\Motion\rotmat2expmap.m
?????文件?????????635??2012-06-26?02:38??imCRBM-master\Motion\rotmat2quat.m
?????文件?????????421??2012-06-26?02:38??imCRBM-master\Motion\skelConnectionMatrix.m
?????文件????????3872??2012-06-26?02:38??imCRBM-master\README.md
?????文件?????????879??2012-06-26?02:38??imCRBM-master\crbmfe.m
?????文件????????3667??2012-06-26?02:38??imCRBM-master\demo_imcrbm_mit.m
?????文件????????4920??2012-06-26?02:38??imCRBM-master\demo_imcrbm_mit_labels.m
?????文件????????3857??2012-06-26?02:38??imCRBM-master\genmix.m
?????文件????????1687??2012-06-26?02:38??imCRBM-master\make_mit_walk_jog.m
............此處省略5個文件信息