References
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- Nelder , J. A. and Mead , R. 1965 . “A Simplex Method for Function Minimization,” . The Computer Journal , 7 : 308 – 313 .
- Olsson , D. M. and Nelson , L. S. 1975 . “The Nelder-Mead Simplex Procedure for Function Minimization,” . Technometrics , 17 : 45 – 51 .