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A note on convergence problems in numerical techniques for accelerated life-testing analysis

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1 Author(s)
Bugaighis, M.M. ; Dept. of Math., Moravian Coll., Bethlehem, PA, USA

Numerical solutions to determine maximum-likelihood estimators of parameters use a variety of techniques such as Newton-Raphson, Hook-Jeeves, and steepest ascent. All of these methods are subject to convergence difficulties that frequently occur in simulation studies. A tested and tried transformation for a variety of likelihood functions, and for the above mentioned numerical techniques, is introduced. The transformation is recommended for situations in which convergence difficulties are encountered

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Reliability, IEEE Transactions on  (Volume:37 ,  Issue: 3 )