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+//Example 2_12 page no:76
+clc
+//applying kirchoff's law to the given circuit
+R1=10//resistance in ohm
+R2=3//resistance in ohm
+R3=5//resistance in ohm
+R4=1//resistance in ohm
+V=10//source voltage
+resistance=[(1/10+1/3),-1/3;-1/3,(1/3+1/5+1)]
+current=[5,10]
+volt=inv(resistance)'*current'//calculating V1 V2
+disp(volt(1),"voltage across node 1 is (in V)")
+disp(volt(2),"voltage across node 2 is (in V)")
+I1=volt(1,1)/R1;
+disp(I1,"current in branch I10 (in ampere)")
+I2=(volt(1,1)-volt(2,1))/R2;
+disp(I2,"current in branch I3 (in ampere)")
+I3=volt(2,1)/R3
+disp(I3,"current in branch I5 (in ampere)")
+I4=(volt(2,1)-V)/R4
+disp(I4,"current in branch I1 (in ampere)")
+//in textbook node voltages are rounded off so that current in each branches are more approximated in text book so current values varies slightly with textbook