Question: (a) Formulate mesh-current equations for the circuit in Figure P 3 -21 . Arrange the results in matrix form (mathbf{A x}=mathbf{b}). (b) Use MATLAB and

(a) Formulate mesh-current equations for the circuit in Figure P 3 -21 . Arrange the results in matrix form $\mathbf{A x}=\mathbf{b}$.
(b) Use MATLAB and mesh-current analysis to solve for the mesh currents $i_{\mathrm{A}}, i_{\mathrm{B}}, i_{\mathrm{C}}$, and $i_{\mathrm{D}}$.
(c) Formulate node-voltage equations for the circuit in Figure P3-21 . Arrange the results in matrix form $\mathbf{A x}=\mathbf{b}$.
(d) Use MATLAB and node-voltage analysis to solve for the mesh currents $i_{\mathrm{A}}, i_{\mathrm{B}}, i_{\mathrm{C}}$, and $i_{\mathrm{D}}$ and compare the effort required with each technique, that is, mesh-current versus node-voltage analysis.
(e) Use Multisim to verify your results in the previous two parts.

24 V 47 50 V, lp VD VB 33 2100 22 68

24 V 47 50 V, lp VD VB 33 2100 22 68 k (ic VC 581

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