dm07304.m

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

%dm07304
%绘制非周期三角波
t=-3:0.01:3;
f1=tripuls(t);
subplot(3,1,1)
plot(t,f1)
axis([-3,3,-0.2,1.2])
set(gcf,'color','w')
f2=tripuls(t,4);
subplot(3,1,2)
plot(t,f2)
axis([-3,3,-0.2,1.2])
f3=tripuls(t,4,-1);
subplot(3,1,3)
plot(t,f3)
axis([-3,3,-0.2,1.2])