Get transfer function from electrical scheme [closed]

Is there any software/SPICE tool in which I can draw electrical circuit and after that, software prints the transfer function in Laplace domain?

I will find this kind of tool very helpful and purposeful. I know how to derive it on paper an how to get bode/nyquist plot in software, but sometimes circuits are complex and could take me an hour or so just to get the transfer function.

Thanks :)

closed as off-topic by Leon Heller, Daniel Grillo, Majenko, Chetan Bhargava, Matt YoungJun 16 '14 at 1:50

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• I think op's problem is not having the formula with the numbers but having the formula with component values as parameters. Something you look at and you say "oh well I'd just double $R_x$ in order to move that pole a bit down". – Vladimir Cravero Jun 15 '14 at 17:05