matlab语言绘图
R=5100;
c=0.000000001;
to=R*c;
u=[0.001:0.0001:4.99999];
t=-to*log(1-u/5);
u1=[0.001:0.0001:4.99999];
t1=-to*log(u/5)+0.00005518;
u2=[0.001:0.0001:4.99999];
t2=-to*log(1-u/5)+0.00011;
subplot(3,3,1),plot(t,u,'-k',t1,u1,'-k',t2,u2,'-k')
title('C=1000PF R=5.1K')
axis([0 0.00017 0 6])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=5100;
c=0.00000001;
...