%HIST Display feature histograms%%     HANDLE = HIST(A,P,NX)%     HANDLE = HIST(+A)%% INPUT%  A       Dataset%  P       # of bins%  NX      # of histograms displayed in a row%% OUTPUT%  HANDLE  handle of subplot% % DESCRIPTION% For all feature (columns) of A a histogram is plot using P bins.% These histograms are plot as subplots in a single figure, displaying% NX histograms in a row. In HANDLE the handles of the subplots are % returned.%% Note that this routine is not a true overload of the HIST command.% Use HIST(+A) if that is desired.