function w = mog_update(w,x,maxiter)%MOG_UPDATE Train a MoG%%     W = MOG_UPDATE(W,X,MAXITER)%% Fit a Mixture of Gaussians model W to data X, for MAXITER number of EM% steps.%% See also: mog_dd, mog_init, mog_P, mog_extend, mogEMupdate% Copyright: D.M.J. Tax, D.M.J.Tax@prtools.org% Faculty EWI, Delft University of Technology% P.O. Box 5031, 2600 GA Delft, The Netherlands% unpack it:dat = w.data;[xt,xo] = target_class(x);% update the target class clusters:[dat.mt,dat.ict,dat.pt] = mogEMupdate(+xt,dat.covtype,...	dat.mt,dat.ict,dat.pt,maxiter,0,dat.reg);% update the outlier class clusters:if isfield(dat,'mo') & ~isempty(xo)	[dat.mo,dat.ico,dat.po] = mogEMupdate(+xo,dat.covtype,...		dat.mo,dat.ico,dat.po,maxiter,1,dat.reg);end% pack it and return:w.data = dat;return