

% Script file graph4.

% Curve r(t) = < t*cos(t), t*sin(t), t >.

t = -10*pi:pi/100:10*pi;
x = t.*cos(t);
y = t.*sin(t);
h = plot3(x,y,t);
set(h,'LineWidth',1.25)
title('Curve u(t) = < t*cos(t),  t*sin(t),  t >')
h = get(gca,'Title');
set(h,'FontSize',12)
xlabel('x')
h = get(gca,'xlabel');
set(h,'FontSize',12)
ylabel('y')
h = get(gca,'ylabel');
set(h,'FontSize',12)
zlabel('z')
h = get(gca,'zlabel');
set(h,'FontSize',12)
grid
