Lab3

x=-1:0.2:1;
y1=2*x.^3 + cos(x);
plot(x,y1,'--bs','LineWidth',1.5,'MarkerEdgeColor','m','MarkerFaceColor','g','MarkerSize',10);
title('Graficul funtiei f')
xlabel('x');
ylabel('f(x)');
legend('f(x)=2*x^3+cos(x)','location','northwest');
grid;