Numerical Solutions of Linear Systems of Equations
Numerical Solutions of Linear Systems of Equations
Numerical Solutions of Linear Systems of Equations
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EE 216 Class NotesIt should be noted that Eqns. (3.1) – (3.3) have been derived based on the principle <strong>of</strong>conservation <strong>of</strong> mass. Eqns. (3.4) and (3.5) have been derived based on the principle <strong>of</strong>pressure drop along pipe sections.The set <strong>of</strong> equations can be solved by substitution method in the following manner.[A][Q] = [B]where[ A ]=⎡ 10129.9⎢⎢⎢⎢⎢⎢⎣ 01− 10− 29.90011− 3.93.90100− 7.90⎤0− 1019.9⎥⎥⎥⎥⎥⎥⎦⎡QQQ⎢⎢⎢⎢⎢⎢⎣QABAC⎤⎥⎥⎥⎥⎥⎥⎦[ Q] = Q and [ B]CBCDBD[ Q]= [A]−1 [ B]⎡0.03⎤0.06= 00⎢⎢⎢⎢⎢⎢⎣ 0⎥⎥⎥⎥⎥⎥⎦Pages 19 <strong>of</strong> 21