function [datapoint,status] = nextpoint(reset)% [datapoint,status] = nextpoint(reset)%% NEXTPOINT - skeleton function%% this function returns the next datapoint for online methods.%% nextpoint(1) should return the dimensionality of the data%              and reset to the beginning of the dataset%% nextpoint(0) should return the next datapoint and a status flag%              status=1 if we still have more data%              status=0 if we are out of data%global dat;global thisn;[p,N] = size(dat);if(reset)  % go back to beginning of dataset and return dimensionality  datapoint = p; status=p;  thisn=1;elseif(thisn<=N)  % return next datapoint and status=1 or status=0 if at end  datapoint=dat(:,thisn);  thisn=thisn+1;  if(thisn>N) status=0; else status=1; endelse  datapoint = NaN;  status = 0;end