dm07202.m

来自「the code of the book come form the book 」· M 代码 · 共 15 行

%dm07202
%绘制实指数信号波形
syms  a  t 
f=sym('exp(a*t)')
f1=subs(f,'a','-0.5')
subplot(2,3,1)
ezplot(f1,[-3,3])
f2=subs(f,'a','0.5')
subplot(2,3,2)
ezplot(f2,[-3,3])
f3=subs(f,'a','0')
subplot(2,3,3)
ezplot(f3,[-3,3])
set(gcf,'color','w')