% This script plots a general circuit with
% inductance L, resistor R, capacitor C, and switch S.
hold on
% plotting the frame of the circuit:
plot_line([1.5,0],[1,0.5]); plot_line([1.5,0],[2,0.5]);
plot_line([0,1.5],[0.5,1]); plot_line([0,1.5],[0.5,2]);
plot_line([1.5,3],[1,2.5]); plot_line([1.5,3],[2,2.5]);
plot_line([3,1.5],[2.5,2]); plot_line([3,1.5],[2.5,1]);
% plotting switch, capacitor, inductor, resistor
plot_switch(0.6,1.2,[2,0.5],[2.5,1]);
plot_capacitor(0.1,0.4,[0.5,1],[1,0.5])
plot_inductor(5,0.4,[0.5,2],[1,2.5])
plot_resistor(5,0.4,[2,2.5],[2.5,2])
% put the marking labels
text(0.5,3,'L');
text(2.5,3,'R');
text(2.5,0,'S');
text(0.5,0,'C');
title('circuit with inductance L, resistor R, capacitor C, and switch S');
% final axis 
axis([-1 4 -1 4])
hold off