International Journals of Multidisciplinary
Research Academy (IJMRA)

Abstract:
In this study, we have established a new distribution by using the Lindley generating family with baseline distribution as Chen distribution called Lindley-Chen (LC) distribution. We have illustrated some statistical properties of the model including the shapes of the probability density function (PDF), cumulative density function (CDF) and hazard rate function (HRF), quantile function also the skewness, kurtosis are discussed. We have employed three well-known estimation methods to estimate the model parameters namely the maximum likelihood estimation (MLE), least-square estimation (LSE), and Cramer-Von-Mises (CVM) methods. We discuss maximum likelihood estimation of the distribution parameters and asymptotic confidence interval based on maximum likelihood. All the computations are performed in R software. The application of the model to a real data set is investigated and finally, we compared the goodness of fit attained by observed model via different estimation methods and we have compared with some other lifetime models
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Abstract:
The mass-spring system is subject to natural laws of gravity and the reaction to the spring wire and the surrounding, so the swing is affected by these factors that are in the form of forces, and therefore the continued swing of the wire depends on the effect of these forces affecting the body attached to the spring wire, but it is possible to influence one way or another with an external force to quench this power to keep the wire moving continuously. If this is achieved, this phenomenon can be exploited in various practical fields such as energy production, for example. This paper will be concerned with how to influence with an external force that ensures the continuity of the spring wire movement. Since the responsibility for the motion of this system is a second-order differential equation, the damping coefficient listed within the wire movement equation will be dealt with the addition of an external force.
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Abstract:
This paper is concerned with eigen values on buckling and vibration of orthotropic rectangular clamped plate. The present study attempts to achieve closed form solutions for orthotropic clamped plates resting on elastic base, in a novel way based on wide panel-transition matrix technique. Strip technique is employed with transition matrix method to develop the analytical solutions in series forms. Increasing the accuracy of the transition matrix is the main idea to reduce the number of strips of the decomposed plate domain. The buckling and natural frequency parameters of clamped plate are investigated under the effect of the un-axial and biaxial in-plane forces. Analytic results of vibration natural frequencies are obtained for orthotropic clamped plate under in-plane forces. Also the effects of the aspect ratios and coefficients of elastic foundation on the behavior of rectangular plates are discussed. The obtained analytical results may serve as benchmark solutions for such plates. Numerical results are obtained and discussed for a wide range of orthotropic properties and foundation coefficients. The validity of the present method is examined by means of several numerical examples compared with those available in the published papers. The obtained results proved accuracy and validity of the achieved technique.
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Abstract:
There is a large gap between what students are learning and what the job market is looking for. The current curricula are outdated.” -South Asia Youth Consultation, UNICEF. The objective of this study is to measure the effective research in higher education as a dimension of quality, with respect to commerce and management streams, which can serve as one of the many factors needed to achieve six sigma. Also to develop a measure of higher education service quality from student`s view and how can we improve the student satisfaction by using the tools of six sigma. Six Sigma is a data driven methodology for continuous improvement which has been successfully implemented in many service industries. Data for this research was collected from the primary stake holders of education services i.e. the students, who voluntarily took part in this research and the data was analyzed using factor analysis. We have also tried to study if there is a difference in the academic delivery and content in commerce and management stream.
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Abstract:
In general topology, the word "preopen" plays a major role and hence, the concept of the "preopen compactness" has been developed. In this paper, the focal point is to establish few theorems based on ε-preopen compactness. There are also numerous associations with other forms of compactness. Furthermore, new axioms for separation are described.
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Abstract:
The „Vedas‟ are considered „divine‟ in origin and are assumed to be direct revelations from God. Much of the hype about this topic is based on one single book authored by the Sankaracharya, Jagadguru Swami Sri Bharati Krisna Tirthaji Maharaja titled Vedic Mathematics and published in the year 1965 and reprinted several times since the 1990s. In this the authors probe into Vedic Mathematics and explore whether it is really „Vedic‟ in origin or „Mathematics‟ in content. The entire field of Vedic Mathematics is supposedly based on 16 one - to three - word sutras (aphorisms) in Sanskrit, which can solve all modern mathematical problems. In this paper we have gone through different literature on ancient Vedic mathematics and its application. In this paper we discussed the Sutra: Nikhilam Navataścaramam Daśatah and its application
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Abstract:
This is research on “A Literary Review: Matlab as a Teaching and Learning Tool for Mathematics”, and in this article, we discuss how to make use of computer technology in the educational setting. The exposure that students have to the software MATLAB, which is used to facilitate the teaching and learning of mathematical ideas, may have a significant influence on the learning processes that they use. In this empirical research, we demonstrated the many methods in which MATLAB was used as a teaching and learning aid for mathematics. MATLAB is an acronym that stands for "computer algebra system." It has been used as a tool for the visualization of the graphs of mathematical functions, calculation, problem-solving, encouraging good attitudes toward mathematics, enhancing motivation and self-confidence, and so on.
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Abstract:
Chemistry of coordination is the topic of this study. In coordination compounds, groups referred to as ligands are frequently present around metals. The concept of coordination complexes, or ligands around a core metal ion, was introduced by Werner, and he also discovered the geometrical forms of numerous compounds. The primary topic of inorganic and physical inorganic chemistry critical surveys will be Coordination Chemistry Reviews.
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