Performance of the Super Modified Simplex

M. W. Routh, P. A. Swartz, M. B. Denton

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


A new, improved simplex optimization procedure has been developed which significantly increases the utility, reliability, and efficiency of current state-of-the-art simplicial methods in the presence of random response fluctuations. Comparison of this improved procedure, the Super Modified Simplex (SMS), with several variations of the modified simplex approach utilizing an interactively computer-controlled flame spectrophotometer reveals its inherent superiority In rapidly and efficiently conforming to multidimensional response surface topography. Data are presented which indicate fewer simplices and data points, as well as a reduction in experimental time results when the SMS procedure is employed. Moreover, failure to satisfactorily locate the optimum in the presence of noise due to premature diminuation of the simplex, adherence to false ridges, or inability to accurately home in on the optimum is minimized.

Original languageEnglish (US)
Pages (from-to)1422-1428
Number of pages7
JournalAnalytical Chemistry
Issue number9
StatePublished - Aug 1 1977

ASJC Scopus subject areas

  • Analytical Chemistry


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