iosr-Jm   Volume-17 ~ Issue-6 ~ Nov. – Dec. 2021

Abstract:The material structure of Linear Algebra generally consists of 2 categories of material, namely matters relating to technical mathematics and abstract mathematics. For this reason, it is very necessary for students to have higher order thinking skills (HOTS) on the theoretical and applicable meaning of material such as the solution of a Linear Equation System, the skills to prove abstract problems such as General Vector Space, Linear Free, Stretching, Bases, and Dimensions. This study was conducted with the aim of analyzing the extent to which the Higher Order Thinking Skills of Mathematics students of......

Keywords: HOTS, Linear Algebra

[1]. Bloom, B. S. (1956). Taxonomy of educational objectives: The classification of educational goals. London: Ann Arbor, MI: Addison Wesley Publisher.
[2]. Garak, S.S. & Samo, Damianus. 2020. Developing Higher Order Thinking Skills of mathematics Education Students, A Grounded Theory. International Journal of Innovation, Creativity and Change. www.ijicc.net. Volume 14, Issue 5, 2020
[3]. Garak, S.S. 2017. Teori dan soalAljabar Linier. Universitas Nusa Cendana.
[4]. Howard, Anton. 1987. Aljabar Linear ElementerEdisikelima. Jakarta: Erlangga
[5]. Jailani., dkk. 2018. Desain PembelajaranMatematikauntukMelatih Higher Order Thinking Skill. Yogyakarta: UNY Press..

Abstract:The purpose of this paper is to search the exact chirped soliton solutions of generalized derivative nonlinear Schrödinger equation which appears in many fields of physics as various nonlinear waves, such as nonlinear Alfvén waves in space plasma, sub-picosecond or femtosecond pulses in single mode optical fibers. Firstly, we apply a special complex envelope traveling-wave method to the generalized derivative nonlinear Schrödinger equation. Complex envelope traveling-wave solution is used to reduce the governing equation to an ordinary differential equation. Secondly.......

Keywords: The generalized derivative nonlinear Schrödinger equation, Chirped soliton, Exact solution

[1]. Zayed, E.M.E., Alngar, M.E.M. (2020), Application of newly proposed sub-ODE method to locate chirped optical solitons to Triki-Biswas equation, Optik - International Journal for Light and Electron Optics , 207, 164360.
[2]. Zulfiqar, A. and Jamshad Ahmad, J. (2020), Soliton Solutions of Fractional Modified Unstable Schrödinger Equation Using Exp-Function Method, Results in Physics , 19, 103476.
[3]. Mihalache, D et al. (1993), Analytic method for solving the modified nonlinear Schrodinger equation describing soliton propagation along optical fibers, Physical Review A ,Volume 47, Number 4 April 1993.
[4]. Mibaile, J. et al. (2018), Chirped solitons in derivative nonlinear Schrödinger equation , Chaos, Solitons and Fractals, 107, pp. 49-54.
[5]. Chen, J., Dai, C., Wang, X., (2011), Domain wall arrays, fronts, and bright and dark solitons in a generalized derivative nonlinear Schrödinger equation, Computers and Mathematics with Applications 62 (2011) 620-625

Abstract:An analytical study of energy transfer in flow of four different shapes of copper nanoparticles in ethylene glycol and water based fluids through a porous channel was carried out. The governing models which are Navier- Stokes, energy, concentration and continuity equations were non-dimensionalized and solutions obtained using perturbation method. Analysis of graphical and numerical results showed that increase in angular frequency, Schmidt term and chemical reaction, enhanced the concentration profile of the fluid while increase in radiation term, increases the temperature profile of the copper nanofluid but decreases the velocity profile of the fluid. Increase in the heat absorption term and chemical reaction term all depreciates the temperature and velocity profiles of the fluid.

[1]. Aaiza, G; Khan I and Shafie S. 2015. Energy Transfer in Mixed Convection MHD Flow of Nanofluid Containing Different Shapes of Nanoparticles in a Channel Filled with Saturated Porous Medium. Nanoscale Research Letters. 10(490): 1-14
[2]. Abdul, H. A. K; Vishnu, G. N and Ganga, B. (2015). Magnetic Field Effect on Second Order Slip Flow of Nanofluid over a Stretching/Shrinking Sheet with Thermal Radiation Effect. Journal of Magnetic Matter. 381: 243-257.
[3]. Alotaibi, S, Amooie, M. A, Ahmadi, M. H , Nabipour, N & Chau , K (2020), Modeling thermal conductivity of ethylene glycolbased nanofluids using multivariate adaptive regression splines and group method of data handling artificial neural network, Engineering Applications of Computational Fluid Mechanics, 14(1), 379-390, DOI: 10.1080/19942060.2020.1715843
[4]. Alhuyi Nazari, M., Ahmadi, M. H., Lorenzini, G., Maddah, H., Alavi, M. F., & Ghasempour, R. (2018). Modeling thermal conductivity ratio of CuO/ethylene glycol nanofluid by using artificial neural network. Defect and Diffusion Forum, 388, 39–43. doi:10.4028/www.scientific.net/DDF. 388.39
[5]. Aruna, G, Varma, S V & Raju, R S (2015). Combined influence of Soret and Dufour effects on unsteady hydromagnetic mixed convective flow in an accelerated vertical wavy plate through a porous medium. International Journal of Advances in Applied Mathematics and Mechanics 3(1) 122-134

Abstract: Financial market forecasting is one of the most substantial aspects of financial studies. It requires adequate knowledge of both fundamental and technical analysis of financial markets. In this study, we work on two different indicators namely Bollinger Band and Fibonacci Retracement to construct a new investing strategy. We try to combine these two indicators and attempt to develop the concept of Moving Fibonacci Strategy. In this proposed strategy, we try to eliminate the shortcomings of individual indicator strategy and calculate the return obtained from the strategy through R programming. We examine this strategy on NSE data.

Keywords — Bollinger Bands, Fibonacci Retracement, Moving Fibonacci Strategy, Return Mapping, Programming

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[2]. Bollinger, J. (2002). Bollinger on Bollinger bands (p. 0). New York: McGraw-Hill.
[3]. Leung, J. M. J., & Chong, T. T. L. (2003). An empirical comparison of moving average envelopes and Bollinger Bands. Applied Economics Letters, 10(6), 339-341.
[4]. Bhattacharya, S., & Kumar, K. (2006). A computational exploration of the efficacy of Fibonacci Sequences in technical analysis and trading. Annals of Economics and Finance, 7(1), 185.
[5]. Lento, C., Gradojevic, N., & Wright, C. S. (2007). Investment information content in Bollinger Bands?. Applied Financial Economics Letters, 3(4), 263-267.

Abstract: The aim of this paper to show that there are rough PseudoAntiIdeals with respect antiring. However, some properties of the upper and lower approximation in rough PseudoAntiIdeal are studied.

Keywords — upper approximation, ideal, ring, Antiring

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[5]. Y.Y. Yao , Department of Computer Science, University of Regina, Regina, Saskatchewan, Canada S4S 0A2..

Abstract: Mainstream (Eurocentric) texts on Complex Analysis, including one of the most popular texts used in undergraduate courses on the subject (James Ward Brown and Ruel V. Churchill's Complex Variables and Applications) and one of the most popular texts used in graduate courses on the subject (Dennis Zill and Patrick Shanahan's Complex Analysis: A First Course with Applications) say nothing about the African origins and contemporary study of the subject. This paper seeks to fill a part of this gap by providing evidence on Complex Geometry gleaned from non-mainstream mathematical works. The thesis that underlies this paper is therefore as follows: Any study of Complex Analysis which ignores its African origins and the continuation of its study to this day will miss a very significant aspect of the subject. Thus, the essence of this paper hinges upon how autonomous evidences from different sources are marshalled into a cohesive whole.

[1]. J. W. Brown and R. V. Churchill, Complex Variables and Applications (8th ed.). McGraw-Hill Publishing, New York, NY, 2004.
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[3]. R. Eglash, African Fractals: Modern Computing and Indigenous Design. Rutgers University Press, New Brunswick, NJ, 1999.
[4]. P. Gerdes, Geometry from Africa: Mathematical and Educational Explorations. The Mathematical Association of America, Washington, DC, 1999.
[5]. The Encyclopedia Britannica: A Dictionary of Arts, Sciences, Literature and General Information, 11th ed., vol. v. Cambridge University Press, Cambridge, UK, 1910.