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- W3130607712 abstract "Nowadays, solving second-order nonhomogeneous ordinary differential equations with Boundary Value Problem (BVP) is very important as it is commonly appeared in wide range of fields and professions such as physics and engineering. Usually, there are two theoretical methods used to solve this problem which are undetermined coefficient and variation of parameters.. However, these theoretical methods are quite complicated, difficult to understand and take time. Researcher tends to use numerical method in the form of least square method which is quite simple and easy compared to the theoretical method. In this research, there are five ode problem selected and solved by using both theoretical and least square method. The functions selected are based on theoretical problem which are trigonometric, algebraic and exponential. Towards the end of least square method, Conjugate Gradient is used to solve the inverse matrix to avoid ill-conditioned matrix. The error is analysed based on solution of both exact and approximate methods. Numerical results show that Least Square Method can solve second-order nonhomogeneous ordinary differential equations with BVP in terms of the error analysis made by both theoretical and numerical methods." @default.
- W3130607712 created "2021-03-01" @default.
- W3130607712 creator A5044232674 @default.
- W3130607712 date "2018-07-01" @default.
- W3130607712 modified "2023-09-23" @default.
- W3130607712 title "Application of least square method and conjugate gradient method for solving second order differential equation / Nur Fatonah Kamsani" @default.
- W3130607712 hasPublicationYear "2018" @default.
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