%collapse

clear
clc

k=0.7;
x0=[-2 -1.2];
figure
for i=2:0.4:4
    for j=2:0.4:4
        x0=[i j];
        [t,y]=ode45('uccsogyak2difegy', [0 100] ,x0);
        hold on;
        plot(y(:,1), y(:,2));
    end
end
 