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A survey on numerical methods of unconstrained optimization (I) | ||
| Journal of Administration and Economics | ||
| Article 1, Volume 0, Issue 63, 2018, Pages 1-7 | ||
| Author | ||
| D. Salah Hamza Abd | ||
| Abstract | ||
| When we estimate statistical model parameters, he needs to optimize some kind of objective function . As an example , least square estimates are obtained by minimizing a sum of squares , but in many situations it is not possible to obtain a closed form for the estimates as a function of the sample values , this occurs , when sum of squares can not be transformed so that the normal equations are linear . Now , let be an objective function , given that is to be minimized with respect to the parameter . Generally, the minimization methods are iterative and follow the following steps, | ||
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