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Journal of Advances in Mathematics and Computer Science

Published by SCIENCEDOMAIN international · ISSN (electronic) 2456-9968

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1,763

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2026 articles

1,763

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10,537

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Articles (1763)

Generalized Fibonacci Numbers with Indices in Arithmetic Progression and Sum of Their Squares: The Sum Formula ∑nk=0 xkW2mk+j

Y¨üksel Soykan · Journal of Advances in Mathematics and Computer Science · 2021

In this paper, closed forms of the sum formulas ∑n k=0 xkWmk 2 +j for generalized Fibonacci numbers are presented. As special cases, we give sum formulas of Fibonacci, Lucas, Pell, Pell-Lucas, Jacobsthal, Jacobsthal-Lucas numbers. We present the proofs to indicate how these formu...

Open access Research Article 10.9734/jamcs/2021/v36i630371

Numerical Approximations of ODEs Initial Value Problem; A Case Study of Gluconic Acid Fermentation by Pseudomonas ovalis

N. A. Ihoeghian & B. O. John · Journal of Advances in Mathematics and Computer Science · 2021

Across different sections of life, physical and chemical sciences, differential equations which could be ordinary differential equations (ODEs) or partial differential equations (PDEs) are used to model the various systems as observed. Some types of ODEs, and a few PDEs are solva...

Open access Research Article 10.9734/jamcs/2021/v36i630369

Construction of Functions for Fractional Derivatives using Matlab

Olagunju Adeyemi Sunday & Joseph Folake Lois · Journal of Advances in Mathematics and Computer Science · 2021

MATLAB is a high level programming tool for technical computing, its application cuts across different sphere of science, engineering, finance, communication, music etc. With the current increase in the use of non-integer order derivatives, there is a need to have tools that hand...

Open access Research Article 10.9734/jamcs/2021/v36i630368

Some Geometric Properties of a Non-Strict Eight Dimensional Walker Manifold

Silas Longwap, Gukat G. Bitrus & Chibuisi Chigozie · Journal of Advances in Mathematics and Computer Science · 2021

An 8 dimensional Walker manifold (M; g) is a strict walker manifold if we can choose a coordinate system fx1; x2; x3; x4; x5; x6; x7; x8g on (M,g) such that any function f on the manfold (M,g), f(x1; x2; x3; x4; x5; x6; x7; x8) = f(x5; x6; x7; x8): In this work, we dene a Non-str...

Open access Research Article 10.9734/jamcs/2021/v36i530367

A Meta-Heuristic Search Algorithm based on Infrasonic Mating Displays in Peafowls

Kenekayoro Patrick · Journal of Advances in Mathematics and Computer Science · 2021

Meta-heuristic techniques are important as they are used to find solutions to computationally intractable problems. Simplistic methods such as exhaustive search become computationally expensive and unreliable as the solution space for search algorithms increase. As no method is g...

Open access Research Article 10.9734/jamcs/2021/v36i530366

Extended Ensemble Filter for High-dimensional Nonlinear State Space Models

Oryiema Robert, David Angwenyi & Kevin Midenyo · Journal of Advances in Mathematics and Computer Science · 2021

There are several functional forms for non-linear dynamical filters. Extended Kalman filters are algorithms that are used to estimate more accurate values of unknown quantities of internal dynamical systems from a sequence of noisy observation measured over a period of time. This...

Open access Research Article 10.9734/jamcs/2021/v36i530365

Spatial Mesh Refinement using Cubic Smoothing Spline Interpolation in Simulation of 2-D Elastic Wave Equation: Forward Modeling of Full-waveform Inversion

Amila Sudu Ambegedara, U. G. I. G. K. Udagedara & Erik M. Bollt · Journal of Advances in Mathematics and Computer Science · 2021

Full-waveform inversion (FWI) is a non-destructive health monitoring technique that can be used to identify and quantify the embedded anomalies. The forward modeling of the FWI consists of a simulation of elastic wave equation to generate synthetic data. Thus the accuracy of the...

Open access Research Article 10.9734/jamcs/2021/v36i530364

A Mathematical Model for the Transmission of HIV/AIDS with Early Treatment

T. O. Akinwumi, I. A. Olopade, A. O. Adesanya & M. O. Alabi · Journal of Advances in Mathematics and Computer Science · 2021

In this paper, a mathematical model for the transmission of HIV/AIDS with early treatment is developed and analyzed to gain insight into early treatment of HIV/AIDS and other epidemiological features that cause the progression from HIV to full blown AIDS. We established the basic...

Open access Research Article 10.9734/jamcs/2021/v36i530362

The Analysis for the Recovery Cases of COVID-19 in Egypt using Odd Generalized Exponential Lomax Distribution

Hanem Mohamed, Amina E. Abo-Hussien, Salwa A. Mousa & Magda M. Ismail · Journal of Advances in Mathematics and Computer Science · 2021

In this paper, an odd generalized exponential Lomax (OGEL, in short) distribution has been considered. Some mathematical properties of the distribution are studied. The methods of maximum likelihood and maximum product of spacing are used for estimating the model parameters.  Mor...

Open access Research Article 10.9734/jamcs/2021/v36i530363