function category = classifypoints(file, points)
%Reads parameters from file and classifies points into two
%categories, A or B. This file is created by netbp2.m.
%points is a matrix with two rows, where points(:,i) contains the
%(x,y) coordinates of point i.
%Returns vector category, where category(i) is 1 if
%points(1,i) >= points(2,i) and 0 otherwise.