Transfer function of a circuit in Matlab

XuFyaN

1. The problem statement, all variables and given/known data

What will be the transfer function in form of I2 / V1 of this circuit

http://img813.imageshack.us/img813/198/6…

2. The attempt at a solution

here is my coding but it shows incorrect answer,

>> syms I I2 R1 R2 V1 S c L
>> eq1 = I*R1 + L*S*(I-I2)-V1

eq1 =

I*R1 - V1 - L*S*(I2 - I)

>> eq2 = L*S*(I2-I)+I2*R2+I2/(c*S)

eq2 =

I2*R2 + I2/(S*c) + L*S*(I2 - I)

>> d = solve(eq1,V1)

d =

I*R1 - I2*L*S + I*L*S

>> e = solve(eq2,I2)

e =

(I*L*S)/(R2 + 1/(S*c) + L*S)

but after doing f=e/d it shows incorrect answer (the answer doesn't match with the one my teacher told)

MisterX

There's a problem with that link.

XuFyaN

The circuit is attached now, kindly have a look

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XuFyaN	The circuit is attached now, kindly have a look Attached Thumbnails