exm020509.m

matlab电子书籍

syms tao
t=sym('t','positive');						
ut=heaviside(t)-heaviside(t-1);
ht=t*exp(-t);
yt=int(subs(ut,t,tao)*subs(ht,t,t-tao),tao,0,t)
yt=collect(yt,'heaviside(t-1)')