X = linspace(0, 7, 100);
Y = zeros(1, 100);
w = [5 5  2 2 ]; b = [-3 -1  -6 -8]; g = [-1 1  -1 1]; 
for i=1:100
    Y(i) = mynet(X(i), w, b, g);
end
plot(X,Y)
    
X = linspace(0, 7, 100);
Y = zeros(1, 100);
w = [5 5  2 2 ]; b = [-3 -1  -6 -8]; g = [-1 1  -1 1]; 
for i=1:100
    Y(i) = mynet(X(i), w, b, g);
end
plot(X,Y)
    
function z = sigmoid(x)
z = 1 / (1 + exp(-x));
end