Investigation Of Single-Update Memoryless Cg-Methods

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Investigation Of Single-Update Memoryless Cg-Methods

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Title: Investigation Of Single-Update Memoryless Cg-Methods
Author: Al Bayati, A. Y. [عباس البياتي]
Abstract: Two new CG-methods are proposed in this work for nonlinear unconstrained optimization problems which are considered as memoryless Variable Metric (VM) methods. They are derived for the inexact line searches and evaluated numerically against Shanno's two memoryless VM-methods. The results indicate that, the respective new methods have practical improvements on the Shanno's methods. Moreover, they are clearly more efficient than the Perry's extended CG-method.في هذا البحث تم أشتقاق خوارزميتين لرال لاخطية في الأمثليه غير المقيدة . الخواسزميات الجديدة تستعمل خطوط بحث غير تامة وقد قورنت عدلمحياً مع خوارزميات مشهورة لـ SHANO ، PERRY أثبتت النتائج الحسابية بأن الخوارزميتين الجسيتين تتفوق ضطسابياً على ثظيراتها من الخوارزميات المشهورة في هذا الحقل .
URI: http://hdl.handle.net/10576/9935
Date: 1996

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