function?[eigvector?eigvalue]?=?LPP（W?options?data）
%?LPP:?Locality?Preserving?Projections
%
%???????[eigvector?eigvalue]?=?LPP（W?options?data）
%?
%?????????????Input:
%???????????????data???????-?Data?matrix.?Each?row?vector?of?fea?is?a?data?point.
%???????????????W???????-?Affinity?matrix.?You?can?either?call?“constructW“
%?????????????????????????to?construct?the?W?or?construct?it?by?yourself.
%???????????????options?-?Struct?value?in?Matlab.?The?fields?in?options
%?????????????????????????that?can?be?set:
%???????????????????????????
%?????????????????????????Please?see?LGE.m?for?other?options.
%
%?????????????Output:
%???????????????eigvector?-?Each?column?is?an?embedding?function?for?a?new
%???????????????????????????data?point?（row?vector）?x??y?=?x*eigvector