Number of variables exceeds number of equations
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First of all,Happy New Year! Wish u guys a good start in 2014~
I'm a newcomer here.In simlation of a simple closed circuit hydraulic system encouter I this error "Number of variables exceeds number of equations. Check for missing reference node." I dont know what's wrong, i'd be so grateful if u help.

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Walter Roberson
2013-12-31
It is not clear to me what your inputs and outputs of the solver are, nor what equation is being solved ?
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