Browsing Articles: Department of Mathematics and Statistics by Issue Date
Now showing items 41-60 of 74
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Effect of Mobile Communication Services on Performance of Saccos in Kenya
(2018-10)The ubiquitous nature of mobile technologies and devices, present new challenges and opportunities for Deposit-Taking Savings and Credit Cooperative Societies (SACCOs) as they integrate them into their processes with ... -
Socioeconomic Impact of Establishment of University of Embu on Small Scale Farmers in Nthambo Sub-Location, Kenya
(SCIENCEDOMAIN international (SDI), 2018-11)The University of Embu is one of the fast developing and recently chartered University in Kenya. It is located in Nthambo sub-location, which is an agricultural potential area. Universities establishment have considerable ... -
Information Technology In Government Services Delivery: A Case Study Of Huduma Center Kenya
(2018-12)The Huduma Kenya program was developed by the Kenyan government with an aim of using technology to improve the service delivery to the citizens. The Program uses many channels to meet different and varied needs of the ... -
Modeling the effects of insecticides resistance on malaria vector control in endemic regions of Kenya
(Elsevier Ltd., 2018-12)We present a model to investigate the effects of vector resistance to control strategies. The model captures the development of resistance as well as loss of resistance in mosquitoes and how these affect the progress in ... -
Cramer-Rao Bound of Direction Finding Using Uniform Arc Arrays
(2019)Direction-of-Arrival estimation accuracy using arc array geometry is considered in this paper. There is a scanty use of Uniform Arc Array (UAA) in conjunction with Cram er-Rao bound (CRB) for Direction-of-Arrival estimation. ... -
Rank and Subdegrees of PGL(2; q) Acting Cosets of PGL(2; e) for q an Even Power of e
(UoEm, 2019)The action of projective general group on the cosets of its maximal subgroups has been studied. For instance, [9] studied the action of G on the cosets of PGL(2; e) when q is an odd prime power of e. In this paper, we ... -
Performance Analysis of Debit Card Services on Deposit-Taking SACCOs’ Financial Performance: A Case of Kenya
(Kennesaw State University, 2019-04)The Co-operative Bank of Kenya has partnered with Deposit-Taking Savings and Credit Cooperative Societies (SACCOs) in Kenya to allow their members access to Co-operative Bank automated teller machines (ATMs) via Saccolink ... -
Aperture Maximization with Half-Wavelength Spacing, via a 2-Circle Concentric Array Geometry that is Uniform but Sparse
(Journal of Advances in Mathematics and Computer Science, 2019-05-25)This paper proposes a new sensor-array geometry (the 2-circle concentric array geometry), that maximizes the array’s spatial aperture mainly for bivariate azimuth-polar resolution of direction-of-arrival estimation ... -
A Classification Model for Water Quality analysis Using Decision Tree
(2019-06)A classification algorithm is used to assign predefined classes to test instances for evaluation) or future instances to an application). This study presents a Classification model using decision tree for the purpose of ... -
Cramer-Rao Bound of Direction Finding Using a Uniform Hexagonal Array
(2019-06)Direction-of-arrival (DOA) estimation is a key area of sensor array processing which is encountered in many important engineering applications. Although various studies have focused on the uniform hexagonal array for ... -
Multinomial Logistic Modelling of Socio-Economic Factors Influencing Spending Behavior of University Students
(2019-06)This study aims at determining the use of Multinomial Logistic Regression (MLR) model which is one of the important methods for categorical data analysis. This model particularly deals with one nominal or ordinal response ... -
A 24-hour ambulatory blood pressure monitoring system for preeclampsia management in antenatal care
(Elsevier, 2019-06)The burden of preeclampsia has been a major concern worldwide both in developed and developing countries, making its prevention and management a major concern. Although motherhood is a fulfilling experience in society, ... -
An Assessment of Suitable and Affordable Smart armband for preeclampsia Management in Antenatal Care
(2019-06)Blood pressure is one of the measurements that is taken during antenatal care visits. Though motherhood is a fulfilling experience in the society, it is connected to ill-health and even death in some women leading to ... -
A uniform circular array of isotropic sensors that stochastically dislocate in three dimensions—The hybrid Cramer-Rao bound of direction-of-arrival estimation
(Acoustical Society of America, 2019-07)An array’s constituent sensors could be spatially dislocated from their nominal positions. This paper investigates how such sensor dislocation would degrade a uniform circular array (UCA) of isotropic sensors (like ... -
Hybrid Cram er-Rao bound of direction finding, using a triad of cardioid sensors that are perpendicularly oriented and spatially collocated
(Acoustical Society of America, 2019-07)Cardioid microphones/hydrophones are highly directional acoustical sensors, which enjoy easy availability via numerous commercial vendors for professional use. Collocating three such cardioids in orthogonal orientation ... -
A uniform circular array of isotropic sensors that stochastically dislocate in three dimensions—The hybrid Cramér-Rao bound of direction-of-arrival estimation
(2019-07)An array’s constituent sensors could be spatially dislocated from their nominal positions. This paper investigates how such sensor dislocation would degrade a uniform circular array (UCA) of isotropic sensors (like ... -
Implementation of Blockchain Technology in Africa
(European Centre for Research Training and Development UK, 2019-08)Africa is currently tackling challenges to technologies and innovation in its suitable development agenda.in the journey to embracing the blockchain technology, ICT plays a very vital role in addressing the challenges. ... -
Crame´R-Rao Bound of Direction Finding using Uniform Circular Array And 2-Circle Concentric Uniform Array
(2019-09)Source direction-of-arrival estimation problem has received much attention in recent years following its significant role in array-signal processing and wide range of applications such as radar, wireless communication, ... -
A Deterministic Model Of HIV Transmission Between Two Closed Patches Incorporating The Monod Equation
(IISTE, 2019-11-06)Among other factors, migration has significantly contributed to the spread of HIV. Recent studies have revealed that new infections occur along major transport corridors and truck-drivers have overall higher prevalence ... -
Ranks, Subdegrees and Suborbital graphs of the product action of Affine Groups
(UoEm, 2020)The action of affine groups on Galois field has been studied. For instance, [3] studied the action of 𝐴𝑓𝑓 (𝑞 ) on Galois field 𝐺𝐹 (𝑞) for 𝑞 a power of prime 𝑝. In this paper, the rank and subdegree of the direct ...