clear; clc; close all;

% Dimension of A and b
n = 2;

% Generate all vectors x of dimension d with coordinates between -range and +range
step  = 1;
range = 20; 
interval = -range:step:range; % the window of x to be observed regarding the set 'C'

% Generate all combinations in the defined range
x = combn(interval, n); x = x';



% Generate A, b and c (random):

% your solution here



% observe the nature (positive-definite, ...) of the resulting matrix  A.

% your solution here



% Plot the set C using the sign function
% the points inside the set 'C' should get the value (+1) and the points outside the set should get the value (-1). 

figure();
% surf(interval, interval, %% your solution here %%); 
