%
% Usage: echodemo graf4

figure;
x = linspace(-2,20,50);
hold on;
plot(x,x.*sin(x),'b','LineWidth',2.5);
plot(x,x.*cos(x),'r','LineWidth',2.5);

title('graf f(x) = x*sin(x)')
title('graf f(x) = x^{n} \cdot sin(x_{d})')
xlabel('x')
ylabel('f(x)')
legend('x*sin(x)','x*cos(x)')
hold off
%%
axis tight;
%%
axis equal;
%%
xmin = 0;
xmax = 5;
ymin = -2;
ymax = 3;
axis([xmin xmax ymin ymax])
