Compute I/Q components of quadrature amplitude modulator.
[yi,yq]=modqam(u,ns)
//one vector of 300 symbols y = genint(300,1,1,4); //16-QAM modulation [yi,yq] = modqam(y,16); //plot constellation plot(double(yq),double(yi)) h=gcf(); pp=h.children.children.children; pp.mark_mode= "on"; pp.mark_size=10;