Dear all,
  I calculate a system with 330 atoms with dopant. My selected matrix is an
 insulator. I use the orderN. Firstly I start  a  calculation  with the
 diagonalization. See what is the value of the Fermi level from the
 diagonalization run, and use it for the ON.eta parameter in the Order-N run.
 But it did not converge. So I use  the automatic estimation of  the Chemical
 Potential .But it did not converge either. Can you give me some advice how
 to set the parameters as follows:On.ChemicalPotential,
 ON.ChemicalPotentialOrder,ON.ChemicalPotentialUse ON.RcLWF ON.eta and
 ON.ChemicalPotentialTemperature ?
 Best Wishes!
  Shi

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