%
% Homework 3 (Wednesday Class) - Sample Solution
% Show RC Exponentional Growth using plot/fplot
%

clear all

% Time index
t = [0:0.1:5];

% Voltage Equations
v1 = 1 - exp(-t);
v2 = 1 - exp(-2*t);
v3 = 1 - exp(-3*t);

% Voltage 1 using plot
subplot(3,1,1);
plot(t,v1);
title('V = 1 - exp(-t) [ plot ]');
% Voltage 2 using plot
subplot(3,1,2);
plot(t,v2);
title('V = 1 - exp(-2*t) [ plot ]');
% Voltage 3 using plot
subplot(3,1,3);
plot(t,v3);
title('V = 1 - exp(-3*t) [ plot ]');

pause

% Voltage 1 using fplot
subplot(3,1,1);
fplot('1-exp(-x)', [0 6 0 2]);
title('V = 1 - exp(-t) [ fplot ]');
% Voltage 2 using fplot
subplot(3,1,2);
fplot('1-exp(-2*x)', [0 6 0 2]);
title('V = 1 - exp(-2*t) [ fplot ]');
% Voltage 3 using fplot
subplot(3,1,3);
fplot('1-exp(-3*x)', [0 6 0 2]);
title('V = 1 - exp(-3*t) [ fplot ]');