电路积分曲线

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;
to=R*c;
u3=[0.0001:0.0001:0.6274];
t3=-to*log(1-u3/5);
u=[0.6274:0.0001:4.402];
t=-to*log(1-u/5);
u1=[0.6274:0.0001:4.402];
t1=-to*log(u/5)+0.0001;
u2=[0.6274:0.0001:4.402];
t2=-to*log(1-u/5)+0.0002;
subplot(3,3,2),plot(t3,u3,'-k',t,u,'-k',t1,u1,'-k',t2,u2,'-k')
title('C=0.01μF R=5.1K')
axis([0 0.00032 0 6])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=5100;
c=0.0000001;
to=R*c;
u3=[0.0001:0.0001:2.27];
t3=-to*log(1-u3/5);
u=[2.257:0.0001:2.769];
t=-to*log(1-u/5);
u1=[2.257:0.0001:2.769];
t1=-to*log(u/5)+0.0001;
u2=[2.257:0.0001:2.769];
t2=-to*log(1-u/5)+0.0002;
subplot(3,3,3),plot(t3,u3,'-k',t,u,'-k',t1,u1,'-k',t2,u2,'-k')
title('C=0.1μF R=5.1K')
axis([0 0.00062 0 6])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=10000;
c=0.000000001;
to=R*c;
u=[0.0336:0.0001:4.98];
t=-to*log(1-u/5);
u1=[0.0336:0.0001:4.98];
t1=-to*log(u/5)+0.00005518;
u2=[0.0336:0.0001:4.98];
t2=-to*log(1-u/5)+0.00011;
subplot(3,3,4),plot(t,u,'-k',t1,u1,'-k',t2,u2,'-k')
title('C=1000PF R=10K')
axis([0 0.00017 0 6])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=30000;
c=0.000000001;
to=R*c;
u=[0.6989:0.0001:4.316];
t=-to*log(1-u/5);
u1=[0.6989:0.0001:4.316];
t1=-to*log(u/5)+0.00005518;
u2=[0.6989:0.0001:4.316];
t2=-to*log(1-u/5)+0.00011;
u3=[0.0001:0.0001:0.7312];
t3=-to*log(1-u3/5);
subplot(3,3,7),plot(t,u,'-k',t1,u1,'-k',t2,u2,'-k',t3,u3,'-k')
title('C=1000PF R=30K')
axis([0 0.00018 0 6])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=10000;
c=0.00000001;
to=R*c;
u3=[0.0001:0.0001:1.343];
t3=-to*log(1-u3/5);
u=[1.343:0.0001:3.662];
t=-to*log(1-u/5);
u1=[1.343:0.0001:3.662];
t1=-to*log(u/5)+0.0001;
u2=[1.343:0.0001:3.662];
t2=-to*log(1-u/5)+0.0002;
subplot(3,3,5),plot(t3,u3,'-k',t,u,'-k',t1,u1,'-k',t2,u2,'-k')
title('C=0.01μF R=10K')
axis([0 0.00034 0 6])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=30000;
c=0.00000001;
to=R*c;
u3=[0.0001:0.0001:2.089];
t3=-to*log(1-u3/5);
u=[2.089:0.0001:2.915];
t=-to*log(1-u/5);
u1=[2.089:0.0001:2.915];
t1=-to*log(u/5)+0.0001;
u2=[2.089:0.0001:2.915];
t2=-to*log(1-u/5)+0.0002;
subplot(3,3,8),plot(t3,u3,'-k',t,u,'-k',t1,u1,'-k',t2,u2,'-k')
title('C=0.01μF R=30K')
axis([0 0.00048 0 6])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=10000;
c=0.0000001;
to=R*c;
u3=[0.0001:0.0001:2.377];
t3=-to*log(1-u3/5);
u=[2.377:0.0001:2.63];
t=-to*log(1-u/5);
u1=[2.377:0.0001:2.63];
t1=-to*log(u/5)+0.0001;
u2=[2.377:0.0001:2.63];
t2=-to*log(1-u/5)+0.0002;
subplot(3,3,6),plot(t3,u3,'-k',t,u,'-k',t1,u1,'-k',t2,u2,'-k')
title('C=0.1μF R=10K')
axis([0 0.001 0 6])
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
R=30000;
c=0.0000001;
to=R*c;
u3=[0.0001:0.0001:2.46];
t3=-to*log(1-u3/5);
u=[2.46:0.0001:2.546];
t=-to*log(1-u/5);
u1=[2.46:0.0001:2.546];
t1=-to*log(u/5)+0.0001;
u2=[2.46:0.0001:2.546];
t2=-to*log(1-u/5)+0.0002;
subplot(3,3,9),plot(t3,u3,'-k',t,u,'-k',t1,u1,'-k',t2,u2,'-k')
title('C=0.1μF R=30K')
axis([0 0.0025 0 6])