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I am using a default package Nodal2.m for nodal analysis of a Voltage Controlled Current Source, but it's giving the same statement back in output instead of Y parameters. Nodal2.m loads perfectly, so the package is not the issue since its a default Mathematica package. It works with a simple Volatage source, for example, a Voltage divider circuit. 

feedbackAmp = 
  NodalNetwork[VCCS[{1, 0, 0, 2}, gm, Infinity],
    Resistor[{l, 2}, Rib ], 
    Resistor[{l, 0}, Rin]];

NodalAnalyze[feedbackAmp]

NodalNetwork[VCCS[{1, 0, 0, 2}, gm, [Infinity]], Resistor[{l, 2}, Rib], Resistor[{l, 0}, Rin]]

Could anyone please indicate the adjustments needed in the code? I am using Mathematica 9.

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Searching the WRI site indicates that Nodal2.m is not a "default" (i.e, built-in) Mathematica package. – m_goldberg Jan 23 at 6:09
@m_goldberg: No. It was written in 1992. I still have it in 3.5" floppies. – dwa Jan 23 at 6:18
When Mathematica returns and function unevaluated, it normally means there is 1) a syntax error in the arguments, or 2) some condition required by the function is not satisfied. – m_goldberg Jan 23 at 6:20
@dwa. We're talking about V9 here. – m_goldberg Jan 23 at 6:22
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It seems the Nodal package came on a floppy packaged with this book. Not a Wolfram issue, so not a default package and 20 years and at least 7 versions behind. – Sjoerd C. de Vries Jan 23 at 7:00
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closed as too localized by Oleksandr R., whuber, Sjoerd C. de Vries, István Zachar, Artes May 1 at 11:32

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