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+// To Calculate current in all branches of the network shown using nodal analysis
+
+clc;
+clear;
+
+// Nodal Equations
+//13*Va-4*Vb=300
+//-Va+4*Vb=120
+
+X=[13 -4;-1 4];
+V=[300;120];
+
+E=inv(X)*V;
+
+Va=E(1);
+Vb=E(2);
+
+i1=(100-Va)/20;
+i2=(Va-Vb)/15;
+i3=(Va/10);
+i4=(Vb/10);
+i5=(80-Vb)/10;
+
+disp('V',Vb,'Voltage Vb =','V',Va,'Voltage Va =')
+
+disp('The Branch Currents as calculated are')
+disp(i5,'i5',i4,'i4',i3,'i3',i2,'i2',i1,'i1')
+disp('amperes respectively')
+
+disp('The Negative sign indicates that the assumed direction of flow of current must be reveresed')
+
+disp('amperes',abs(i1),'The Current through 20 ohm resistor on the 100V side =')
+disp('amperes',abs(i2),'The Current through 15 ohm resistor =')
+disp('amperes',abs(i3),'The Current through 10 ohm resistor (AE) =')
+disp('amperes',abs(i4),'The Current through 10 ohm resistor (BE) =')
+disp('amperes',abs(i5),'The Current through 10 ohm resistor on the 80V side =')
+
+