% -*- texinfo -*-
% @deftypefn {Function File} {} @var{Pr} = min_max (@var{Pp})
% @code{min_max} returns variable Pr with range of matrix rows
%
% @example
% PR - R x 2 matrix of min and max values for R input elements
% @end example
%
% @example
% Pp = [1 2 3; -1 -0.5 -3]
% pr = min_max(Pp);
% pr = [1 3; -0.5 -3];
% @end example
% @end deftypefn