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LinearSystems.TransferFunToStateSpace Function
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Convert transfer function from numerator-denominator to state-space form.

Pascal
procedure TransferFunToStateSpace(const A: TMtx; const B: TVec; const C: TVec; out D: Double; const num: TVec; const den: TVec);
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Description

Convert transfer function in form of a numerator Num and denominator Num in to its state space presentation of the real valued A matrix, B,C vectors and D value. State space system is related to its numerator/denominator representation via the following relation: 

           num(s)
   H(s) = -------- = C*(s*I-A)^(-1)*B + D
           den(s)

   dx/dt = Ax + Bu
   y     = Cx + Du

   x - system input
   y - system output
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