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استخدام المحاكاة للمفاضلة بين بعض الطرائق الحديثة لنموذج GM(1,1) لايجاد القيم المفقودة و تقدير المعلمات مع تطبيق عملي
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The grey system model GM(1,1) is the model of the prediction of the time series and the basis of the grey theory. This research presents the methods for estimating parameters of the grey model GM(1,1) is the accumulative method (ACC), the exponential method (EXP), modified exponential method (Mod EXP) and the Particle Swarm Optimization method (PSO). These methods were compared based on the Mean square error (MSE) and the Mean Absolute percentage error (MAPE) as a basis comparator and the simulation method was adopted for the best of the four methods, The best method was obtained and then applied to real data. This data represents the consumption rate of two types of oils a heavy fuel (HFO) and diesel fuel (D.O) and the use of tests to confirm the accuracy of the grey model. After obtaining the results, the best method to estimate the parameters of the grey model GM(1,1) is the method of the Particle Swarm Optimization method (PSO) It has been used to treatment the missing values ​​in the data and in the prediction where it has been shown to have the best results

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Publication Date
Wed May 01 2019
Journal Name
Journal Of The College Of Education For Women
The Complex Relationship Between Darwinism, Geopolitics and Geographic Colonization Research the Relationship Between Geopolitics and Ethnography
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Research on geopolitical and geopolitical studies relates to a range of sciences that can be called auxiliary sciences, such as political science, international relations in particular, and history, but their focus is rarely on science and ethnography

That the issues and problems of the world today has become so large and complex that does not allow a specific field or knowledge to solve one of the need for the newly known knowledge integration (geopolitics and geopolitics) in particular to move towards cognitive integration to understand many of the problems and global issues that faced The importance of this study comes to clarify the relationship between Darwinism, geopolitics and geopolitics. The geopolitics in modern terms d

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Publication Date
Thu Sep 18 2025
Journal Name
Al-adab Journal
شعر أبي نواس بين الرقابة والامتاع
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Summery Abu Nawas poem won a great interest on the part of learners of Arabic literature.Studied in many ways ,trying to explore it’s the meanings ,purpose and psychological part of him. I have found that poem of Abu Nawas was divided into two parts ,one is the opposite of the other. Prostitution and asceticism. I tried to elucidate the factors control of the poem and then factors interestingness then studied patterns of censors .I found from them Calipha , poets and critics who then no one in the amount of influence in poetry by immorality to prosecution and faithful representation of reality ,but the poet can skillfully evade censorship that choking him in various ways such as satire cynism and transcendence it is able to so through the

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Publication Date
Thu Sep 15 2022
Journal Name
Al-adab Journal
العلاقة بين الأسلوبية والنقد الأدبي الحديث
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     يتناول البحث العلاقة بين الأسلوبية والنقد الأدبي والمقارنة بينهما بعد التعريف بهما وبالأدب. ويتناول أيضا موقف النقد الأدبي الحديث من الأسلوبية. ويميز بين نوعين من الأسلوبية: أسلوبية الأدب التي يتناولها النقد الأدبي، والأسلوبية الحديثة. وبيان الفروق بين النوعين. وسنرى في البحث أن الأسلوبية على الرغم من انتمائها الى اللغة والأدب والنقد والبلاغة، لكنها استطاعت أن تستقل بخصائص تجعلها علما مستقلا عن ا

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Publication Date
Mon Jan 16 2023
Journal Name
Iraqi National Journal Of Nursing Specialties
Association between Enhancing Learning Needs and Demographic Characteristic of Patients with Myocardial Infarction: العلاقة بين تعزيز احتياجات التعلم والخصائص الديموغرافية لمرضى احتشاء عضلة القلب
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Abstract

Objectives: To find out the association between enhancing learning needs and demographic characteristic of (gender, education level and age).

Methods: This study was conducted on purposive sample was selected to obtain representative and accurate data consisting of (90) patients who are in a peroid of recovering from myocardial infarction at Missan Center for Cardiac Diseases and Surgery, (10) patients were excluded for the pilot study, Data were analyzed using descriptive statistical data analysis approach of frequency, percentage,  and analysis of variance (ANOVA).

Results: The study finding shows, there was sign

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Publication Date
Tue Sep 08 2020
Journal Name
Baghdad Science Journal
A comparison among Different Methods for Estimating Regression Parameters with Autocorrelation Problem under Exponentially Distributed Error
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Multiple linear regressions are concerned with studying and analyzing the relationship between the dependent variable and a set of explanatory variables. From this relationship the values of variables are predicted. In this paper the multiple linear regression model and three covariates were studied in the presence of the problem of auto-correlation of errors when the random error distributed the distribution of exponential. Three methods were compared (general least squares, M robust, and Laplace robust method). We have employed the simulation studies and calculated the statistical standard mean squares error with sample sizes (15, 30, 60, 100). Further we applied the best method on the real experiment data representing the varieties of

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Publication Date
Wed Dec 13 2017
Journal Name
Al-khwarizmi Engineering Journal
A Comparison Between Recursive Least-Squares (RLS) and Extended Recursive Least-Squares (E-RLS) for Tracking Multiple Fast Time Variation Rayleigh Fading Channel
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In order to select the optimal tracking of fast time variation of multipath fast time variation Rayleigh fading channel, this paper focuses on the recursive least-squares (RLS) and Extended recursive least-squares (E-RLS) algorithms and reaches the conclusion that E-RLS is more feasible according to the comparison output of the simulation program from tracking performance and mean square error over five fast time variation of Rayleigh fading channels and more than one time (send/receive) reach to 100 times to make sure from efficiency of these algorithms.

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Publication Date
Fri Jun 30 2023
Journal Name
Modern Sport
اثر تمرينات خاصة بأستخدام جهاز المدافع الضوئي المصمم في تنمية بعض القدرات البدنية والاداء المهاري المركب لدى لاعبي كرة اليد
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اتجهت دول العالم الى تسخير جميع الإمكانيات والخبرات والعلوم من اجل الوصول الى مستويات متقدمة في الرياضات المختلفة ويهدف التدريب الرياضي إلى إعداد اللاعبين إعدادا جيدا تكمن مشكلة البحث من خلال خبرة الباحثتان الميدانية ومتابعة تدريبات لاعبي المدرسة التخصصية كرة اليد فقد لوحظ هناك ضعف واضح في الأداء المهاري ولابد من تطوير أوجه الضعف لتحقيق مستوى انجاز افضل . ويهدف البحث اعداد تمرينات خاصة بأستخدام جهاز ا

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Publication Date
Thu Oct 01 2009
Journal Name
Iraqi Journal Of Physics
إمكانیة تشغیل السیرامیك المحضر مع نسبة عالیة من الزجاج
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The method of powder technology has been utilized in fabrication of machinable
ceramics by the approach of glass-ceramic principles. The crystalline ceramic phases
partially dissolved by host glass while the undissolved part remain responsible for the
machinability by the usual cutting tools. Thus avoiding the unnecessary use of special
dies to cast fully melted composition and initiate recrystallization process. Two types of
machinable ceramics have been successfully prepared, the first with high silica content
and the other with high alumina content. A comparison of their properties and discussed.

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Publication Date
Thu Jul 21 2022
Journal Name
قضايا سياسية
العلاقات الهندية مع دول مجلس التعاون الخليجي: الواقع والمستقبل
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     يتناول البحث دراسة وتحليل علاقات الهند مع دول مجلس التعاون الخليجي، كونها تحظى بأهمية كبيرة، انطلاقا من الدور المتزايد الذي يطلع به الطرفين على المستوى الإقليمي والدولي، إذ ان الهند من القوى الصاعدة ولها تأثير في التفاعلات الإقليمية والدولية، بينما تتميز دول مجلس التعاون الخليجي بأهمية جيوستراتيجبة واقتصادية كبيرة بالنسبة للقوى الكبرى، نظرا لموقعها الاستراتيجي ولامتلاكها مصادر الطاقة المهمة، و

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Publication Date
Mon Jan 28 2019
Journal Name
Journal Of The College Of Education For Women
Apply the gravity model for trips between Najaf center and its settlements
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The study showed flow rates and the interaction between the settlements served by applying the model of gravity theory to measure depending on the number of the population between city Najaf and the rest of the other settlements served and using three functions of disability, time and cost, as recorded an increase in the interaction index with some settlements like them Kufa, Abbasid and Manathira, while the indicator contrast was in other settlements, either when the application of the gravity model depending on trips and socio-economic characteristics accuracy rate was more pronounced.

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