References

1. Erwin Kreyszig, Advanced Engineering Mathematics, Seventh Edition,John Wiley and Sons.
   
   
2. Bajpai,Numerical Methods for Engineers and Scientists,John Wiley and Sons.
   
   
3. Todd K. Moon, "The Expectation-Maximization Algorithm" IEEE Signal Processing Magazine, pp. 47-60, November 1996.
   
   
4. S.S.Rao,OPTIMIZATION - Theory and Applications,John Wiley and Sons.