في هذا البحث درسنا حل المعادالت التفاضلية الجزئية باستخدام الطرق العددية . تناول البحث دراسة حل المعادلات التفاضلية الجزئية من النوع الماكفئ و الناقصي و الزائدي ، وتم استخدام طريقة الشبكة للعقد العددية و التي تمثل حالة من
حاالت الفروق المحددة . حيث
ميزنا في البحث نوعين من الحل وهما الحل الداخلي و الحل الحدودي حيث الحل الداخلي
يعتمد على العقد الداخلية للشبكة اما الحل الحدودي فيعتمد على العقد الحدودية للشبكة باالضافة الى ايجاد الحل التحليلي
للمعادلات لمقارنة النتائج ، كما تطرقنا الى ايجاد حل مسألة البالس و مسألة بواسون ومسألة ديريشيلي الحدودية الهمية
هذه المعادلات في الجانب التطبيقي تم استخدام برنامج ماتالب لايجاد قيم الجداول لقيم الفروقات الحدودية. قمنا باشتقاق صيغة جديدة تعالج مسألة حل المعادلات التفاضلية الجزئية التي تحتوي على ثالث متغيرات مستقلة.
Corruption is a wide phenomenon of proliferation and behavior contrary to all laws and regulations, and contradicts the values and principles of Islamic law, and is a form of State collapse and the loss of current and future generations rights as he
represents one of the obstacles to economic development in general and education, in particular through its impact on key indicators of education in Iraq through a direct impact on these indicators and the impact of this phenomenon of a negative impact led to the disparity of income between the different segments of society and the spread of the phenomenon of illiteracy in the education and poor knowledge of the rate in reading and writing and the collapse of the health sector, which calls for control and concerted one-state institutions efforts and the need for cooperation among States to reduce them, and continuity is linked to the desire of man to get a physical or moral gains illegally and be clear heavily in developing, particularly in government institutions, communities, and that this phenomenon multiple types and manifestations of the outcome several reasons, including economic, political, social, and may be internal or external, leaving profound effects on the economies of the countries, particularly developing countries, the study was based on the premise that financial corruption traces negative on the process of education and the fight against financial corruption process through the activation of the role of the relevant regulatory institutions and develop laws strictly limiting its spread for the advancement of education and make it better and showed the importance of the study of financial corruption task and contemporary with an economic and social impact of the issue is Ba_i_ra phenomenon of financial corruption in Iraq and its impact on disability and education process and the resulting damage and loss of confidence in the state and lack of respect for laws.
