Articles of K7
Back to Journal HomeMATHEMATICAL ANALYSIS OF FREDHOLM LINEAR INTEGRODIFFERENTIAL EQUATIONS: A COMPARISON OF ADM, MADM, AND SERIES EXPANSION METHODS
By: jude Chigozie Agunwa
Published: February 26, 2025
This study presents a comparative analysis of three methods for solving Fredholm linear integrodifferential equations: the Adomian Decomposition Method (ADM), the Modified Adomian Decomposition Method (MADM), and the Series Expansion Method (SEM). These techniques are employed to derive approximate analytical solutions to equations that often resist exact analytical methods. The...
EMPIRICAL COMPARISON OF VAR AND ARDL MODELS IN EVALUATING COVID-19’S EFFECT ON NIGERIA’S ECONOMY
By: Benjamin Tamunoibim Jumbo
Published: February 26, 2025
This study aimed to model the impact of the COVID-19 pandemic on economic growth and stability in Nigeria using Vector Autoregressive (VAR) Model and Autoregressive Distributive Lag (ARDL) Model, integrating four variables encompassing Nigerian COVID-19 daily confirmed cases data (CC) along with other economic metrices including the Nigerian Stock Exchange...
DISTRIBUTION AND RISK ANALYSIS OF NATURALLY OCCURRING RADIOACTIVE MATERIALS IN OCEAN WATERS
By: David Tamunoemi Briggs
Published: February 26, 2025
Assessment of natural radionuclides in sea water and associated health risks have been done using NaI (TI) detector as a stable and reliable device for analysis of radionuclides. The result of activity concentration of radionuclides (40K, 238U and 232Th) in sea water showed that 40K has the highest value 180.40...