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+// Example 5.1
+// Capacitor Waveforms
+t_1= 0:0.001:0.01;
+t_2= 0.01:0.001:0.03;
+t_3= 0.03:0.001:0.06;
+v_1= 20*sin(50*%pi*t_1);
+v_2=20;
+v_3=-20*sin(50*%pi*t_3);
+// Current Equations Can be obtained by using the relation i = C(dv/dt)
+i_1=3*%pi*cos(50*%pi*t_1)*10^-3;
+i_2=0;
+i_3=-3*%pi*cos(50*%pi*t_3)*10^-3;
+// Power Equations can be obtained by using the relation p=v*i
+p_1=v_1.*i_1;
+p_2=20*0;
+p_3=v_3.*i_3;
+// Energy stored can be obtained by using the relation w=0.5*C*v^2
+C=60*10^-6;
+w_1=0.5*C*[20*sin(50*%pi*t_1)]^2;
+w_2=0.5*C*400;
+w_3=0.5*C*[20*sin(50*%pi*t_3)]^2;
+subplot(2,2,1)
+plot(t_1,v_1,'-r',t_2,v_2,'-r',t_3,v_3,'-r')
+xlabel('t(ms)');
+ylabel('V');
+title("Voltage");
+subplot(2,2,2)
+plot(t_1,i_1,'-g',t_2,i_2,'-g',t_3,i_3,'-g')
+xlabel('t(ms)');
+ylabel('i(mA)');
+title("Current");
+subplot(2,2,3)
+plot(t_1,p_1,'-y',t_2,p_2,'-y',t_3,p_3,'-y')
+xlabel('t(ms)');
+ylabel('P(mW)');
+title("Power");
+subplot(2,2,4)
+plot(t_1,w_1,'-m',t_2,w_2,'-m',t_3,w_3,'-m')
+xlabel('t(ms)');
+ylabel('w(mJ)');
+title("Stored Energy");