From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1445/CH1/EX1.15/Ex1_15.sce | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 1445/CH1/EX1.15/Ex1_15.sce (limited to '1445/CH1/EX1.15') diff --git a/1445/CH1/EX1.15/Ex1_15.sce b/1445/CH1/EX1.15/Ex1_15.sce new file mode 100644 index 000000000..ec612db54 --- /dev/null +++ b/1445/CH1/EX1.15/Ex1_15.sce @@ -0,0 +1,26 @@ +//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS +//Example 15 + +disp("CHAPTER 1"); +disp("EXAMPLE 15"); + +//VARIABLE INITIALIZATION +v=7; //voltage source in Volts +I=7; //current source in Amperes +r3=1; //in Ohms + +//SOLUTION +//(1)I1+(-4)I2+(4)I3=7............eq (1) +//(-1)I1+(6)I2+(-3)I3=0...........eq (2) +//(1)I1+(0)I2+(-1)I3=7............eq (3) +//solving the equations by matrix method +A=[1 -4 4;-1 6 -3;1 0 -1]; +b=[7;0;7]; +x=inv(A)*b; +I1=x(1,:); //to access the 1st element of 3X1 matrix +I2=x(2,:); //to access the 2nd element of 3X1 matrix +I3=x(3,:); //to access the 3rd element of 3X1 matrix +vx=-(I3*r3); +disp(sprintf("By Mesh analysis, the value of Vx is %d V",vx)); + +//END -- cgit