%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.