clear;
T = 0.5;
t = [0.0001:0.0001:0.005];
v = zeros(1,length(t));
for i = 1:length(t)
    v(i) = 2*pi*100*sin(t(i)/T)*t(i);
end;

v = mod(v,2*pi);

x = [1:length(t)];
plot(x,v);