dm07302.m

the code of the book come form the book of marlix laboratory with the book of singal

%dm07302
%绘制周期锯齿波和三角波
t=0:0.01:15;
subplot(3,1,1)
f1=sawtooth(t);
plot(t,f1)
axis([0,15,-1.2,1.2])
set(gcf,'color','w')
subplot(3,1,2)
f1=sawtooth(pi*t);
plot(t,f1)
axis([0,15,-1.2,1.2])
subplot(3,1,3)
f1=sawtooth(2*pi*t,0.5);
plot(t,f1)
axis([0,15,-1.2,1.2])