Matlab 2009a code to plot message bits as rectangular pulse

I don't know matlab, just started reading the tutorial, but i need it for my final year project. My question is: i need a matlab code to generate random message bits and plot the waveform of the message as rectangular pulse. your assistance would be valued.

Answer 1

[Walter Roberson]

Consider using stairs()

[Paulo Silva]

n=100;

a=randi([0 1],n,1)

stairs(0:n-1,a)

axis([0 n 0 2])

[Oj.Williams]

Thanks so much, its just the code i need for a start.