function Matrix = testfz4		

%This function called 'testfz4' will 
%return a matrix back to the user that can 
%be graphed (or jimplot-ed)in order to test 
%programs designed to deal with 'fuzzy groups'
%basic square shape-- perimeter 4th closest fuzz

%Created by Mary Ellen Kustin, University of South Carolina, August 13th, 2003


M = [];		%M is defined as a matrix

M = [M; 1 5 5; 2 5 -5; 3 -5 -5; 4 -5 5; 5 4 0; 
   6 0 -4; 7 -4 0; 8 0 4; 9 0 0; 10 1 0;
   11 0 -1; 12 -1 0; 13 0 1];
%specific points designed to test fuzzy are placed in matrix

Matrix = M;