• The effect of a difference in angle in two lateral inflow channels on the main channel's velocity 

      Chirchir, A. C.; Kandie, J. K.; Maremwa, J. S. (International Journal of Statistics and Applied Mathematics, 2021-04)
      In this study, we examined the flow from two lateral inflow channels in a man-made open rectangular channel of an incompressible Newtonian fluid. The influences of the angles as it varies directly proportional to each ...
    • EFFECT OF VACCINATION ON MATHEMATICAL MODELING OF COVID-19 

      Jerop, Rael; Julius, Maremwa S.; Kandie, Joseph K. (International Journal of Science Academic Research, 2023-02)
      Corona virus 2019 (Covid-19) have been endemic both in Africa and the whole world. In this paper we have formulated and analyze mathematical model of covid-19 that monitors the temporal dynamics of the disease in the ...
    • Exploration of D-, A-, I- and G- Optimality Criteria in Mixture Modeling 

      Wanyonyi, Samson W.; Okango, Ayubu A.; Koech, Julius K. (Asian Journal of Probability and Statistics, 2021-05)
      A design optimality criterion, such as D-, A-, I-, and G- optimality criteria, is often used to analyze, evaluate and compare different designs options in mixture modeling test. A mixture test is an experiment where ...
    • Mathematical modeling of flow of fertilizer-water mixture through soil and its effect on concentration and plant growth 

      Rutto, Kipkorir Timothy; Maremwa, Julius Shichikha; Kandie, Joseph Kipchirchir (International Journal of Statistics and Applied Mathematics, 2021)
      In this research we aim to demonstrate and explore how mathematical modeling can be used to aid people gain knowledge and understanding of plants and, in particular, interactions between plants, fertilizers, soil, and ...
    • Modeling Key Drivers of Under-Five Child Malnutrition in Marsabit County, Kenya: Application of the Logit Model 

      Rop, Benjamin Kiptoo; Koech, J.; Otieno, A. (Asian Journal of Probability and Statistics, 2021-04)
      Malnutrition remains one of the major problems in developing countries affecting both adults and children under 5 years. The use of binary logistic regression model was employed, and parameters of interest estimated. ...
    • Modeling Physical Inactivity among University of Eldoret Staff in Kenya using a Logit Model 

      Koech, Julius; Kavila, Willie Mercy; Kimeli, Victor (African Journal of Education Science and Technology, 2024)
      Physical inactivity (PI) is a significant contributor to non-communicable diseases globally. This study focused on assessing the prevalence of PI among staff at the University of Eldoret and exploring the factors that ...
    • Modeling Physical Inactivity among University of Eldoret Staff in Kenya using a Logit Model. 

      Kavila, Willie Mercy; Koech, Julius; Kimeli, Victor (African Journal of Education Science and Technology (AJEST), 2024)
      Physical inactivity (PI) is a significant contributor to non-communicable diseases globally. This study focused on assessing the prevalence of PI among staff at the University of Eldoret and exploring the factors that ...
    • Modeling the Effects of Social Factors on Population Dynamics Using Age-Structured System 

      Kemei, Zachary; Rotich, Titus; Bitok, Jacob (American Journal of Applied Mathematics, 2024)
      In this paper, an age-structured model was used to model population dynamics, and make predictions through simulation using 2019 Kenya population data. The age-structured mathematical model was developed, using partial ...
    • Modeling the Risk Factors of Miscarriage using Advanced Survival Analysis Techniques: Cure Model 

      Chibayi a, John Olives (Asian Journal of Probability and Statistics, 2024)
      Background: A miscarriage is an abrupt and distressing occurrence that might have adverse consequences for the individual experiencing it. However the risk factors that lead normal pregnancy to a miscarriage are fairly well ...
    • Modeling the Risk Factors of Miscarriage Using Survival Analysis Techniques 

      Chibayi, John Olives; Ranyimbo, Argwings Otieno; Akang’o, Ayub Anapapa (Asian Journal of Probability and Statistics, 2024)
      Background: Miscarriage, also known as spontaneous abortion, is a significant adverse outcome of pregnancy. The risk factors associated with the transition from a normal pregnancy to a complete miscarriage before 28 weeks ...
    • Need to make people believe science-science is reliable and means truth 

      Wangui, Patrick (Open Journal of Social Science,, 2019)
      Science is the engine that drives the wheel of development. Consequently, there is a need for people to have faith in science and believe its facts and truths. This paper has looked into ...
    • On almost similarity results on partial isometrics, 𝛉- operators and posinormal operators 

      Kiprop, Sammy Karani; King'ang'i, Denis Njue; Mutekhele, Jairus (International Journal of Statistics and Applied Mathematics, 2021-06)
      It is pre-eminent that equality of spectra is realized when the two given operators are unitarily equivalent or similar but not when they are almost similar. Also, projections which are 𝛼-almost similar, demonstrate ...
    • ON CLASSIFICATION OF PERMUTATIONS 

      Nyabate, Fancy; King’ang’i, Denis N.; Musundi, Sammy W. (Asia Pac Journal, 2020-03)
      Some researchers in combinatorics have developed permutation algorithms using different approaches. We contribute to this area by developing a formula for generating permutations whereby, starting with an identity ...
    • On Norm of Elementary Operator of Length Two 

      King’ang’i, Denis Njue (International Journal of Scientific and Innovative Mathematical Research (IJSIMR), 2017-06)
      Norms of elementary operators have been studied by many mathematicians. Varied results have been gotten using different approaches. In this paper we use maximal numerical range to express the norm of an elementary operator ...
    • On Norm of Elementary Operator: An Application of Stampfli’s Maximal Numerical Range 

      Kingangi, Denis Njue (Pure and Applied Mathematics Journal, 2018-03)
      Many researchers in operator theory have attempted to determine the relationship between the norm of an elementary operator of finite length and the norms of its coefficient operators. Various results have been obtained ...
    • On Norm of Elementary Operator: An Application of Stampfli’s Maximal Numerical Range 

      Kingangi, Denis Njue (Pure and Applied Mathematics Journal, 2018)
      Many researchers in operator theory have attempted to determine the relationship between the norm of an elementary operator of finite length and the norms of its coefficient operators. Various results have been obtained ...
    • ON THE NORM OF AN ELEMENTARY OPERATOR OF FINITE LENGTH IN A 𝑪∗ALGEBRA 

      Kawira, Esther; King'ang'i, Dennis, N.; Musundi, Sammy, W. (Journal of Progressive Research in Mathematics(JPRM), 2018)
      Properties of elementary operators have been studied over the past years especially the norm aspect. Various results have been obtained on elementary operatorsof different lengths using different approaches. ...
    • On the Norm of Basic Elementary Operator in a Tensor Product 

      Muiruri, Peter; King'ang'i, Denis; Musundi, Sammy (International Journal of Scientific and Innovative Mathematical Research., 2019)
      In this paper, we determine the norm of an elementary operator in a tensor product. More precisely, we investigate the bounds of the norm of a basic elementary operator in a tensor product. We employ the techniques of ...
    • On the Norm of Elementary Operator 

      Kingangi, Denis Njue; Agure, John Ogoji; Nyamwala, Fredrick Oluoch (Advances in Pure Mathematics, 2014)
      The norm of an elementary operator has been studied by many mathematicians. Varied results have been established especially on the lower bound of this norm. Here, we attempt the same problem for finite dimensional operators
    • On the Norm of Elementary Operator 

      Kingangi, Denis Njue; Agure, John Ogoji; Nyamwala, Fredrick Oluoch (Advances in Pure Mathematics, 2014-07)
      The norm of an elementary operator has been studied by many mathematicians. Varied results have been established especially on the lower bound of this norm. Here, we attempt the same problem for finite dimensional operators.