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Faculty members

Content

Inside a building, a man dressed in a traditional white uniform with a red and white Saudi shemagh wears a neutral expression as if he were taking a picture of a faculty file at Qassim University.
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ADEL MEFLEH O WIDYAN

Associate Professor
College of Sciences
Department of Mathematics

Personal data

  • 0163012573
  • drwidyan@qu.edu.sa
  • Desktop watches
  • Monday: 11:00 AM - 12:40 PM
  • Thursday: 11:00 AM - 12:40 PM
Google Scholar
OneDrive

Scientific qualifications

  • PhD in Mathematical Statistics
  • Master's in Statistics
  • Bachelor of Science in Statistics

Research interests

  • Statistical Estimation
  • Stochastic Optimization
  • Fuzzy Optimization
  • Multicriterion Optimization
  • Medical Statistics (Biostatistics)

Published research

  • Effects of Ramadan fasting on the symptoms of chronic heart failure (2018-01-01)
  • Relation between epicardial fat and subclinical atherosclerosis in asymptomatic individuals (2017-01-01)
  • Dietary assessment and patient-perspective reasons for poor adherence to diet and exercise post bariatric surgery (2020-01-01)
  • Incidence of delirium in the critical care unit and risk factors in the Central Region, Saudi Arabia (2021-01-01)
  • A novel complex (p, q, r)-spherical fuzzy TOPSIS framework for sustainable urban development assessment (2025-01-01)
  • Public Awareness Regarding Household Drug Storage, Qassim Region, Saudi Arabia: A Cross-Sectional Study (2023-01-01)
  • Recurrent Inguinal Hernia Post Laparoscopic Repair: A Retrospective Single-Center Study in Qassim Region, Saudi Arabia (2021-01-01)
  • Effect of bariatric surgery on cardiac function in obese patients: An echocardiographic assessment (2022-01-01)
  • Chance Constrained Approach for Treating Multicriterion Inventory Model with Random Variables in the Constraints (2020-01-01)
  • Knowledge, attitudes and practices (KAP) of medical university students towards vitamin D deficiency in Saudi Arabia: a cross-sectional study (2024-01-01)
  • Physicians based emergency medical services for the management of burn injuries in trauma centers of the center region of Saudi Arabia: evaluation of physicians' knowledge and ... (2021-01-01)
  • Obtaining the Efficient Solutions for Multicriterion Programming Problems with Stochastic Parameters (2016-01-01)
  • Determining the efficient solutions for bicriteria programming problems with random variables in both the objective functions and the constraints (2005-01-01)
  • Development of AHP-Based Divergence Distance Measure between p, q, r-Spherical Fuzzy Sets with Applications in Multi-Criteria Decision Making. (2025-01-01)
  • Impact of thermal radiations and viscous dissipation during the boundary layer non-Newtonian fluid flow past a slender needle: Probed by machine learning (2025-01-01)
  • Decomposition the Parametric Space in Stochastic Multiobjective Programming problem (2017-01-01)
  • On modeling and forecasting the stock risk using a new statistical distribution and time series models (2025-01-01)
  • A Parametric Technique Based on Simplex for Treating Stochastic Multicriteria Linear Programming Problem (2019-01-01)
  • A state-of-the-art statistical method with properties: Its utilization using the industrial investment funds and radiation data (2026-01-01)
  • A new probabilistic approach for data modeling in practical scenarios: Considering reliability data with computer knowledge graphs (2025-01-01)
  • Additive value of repeat transthoracic echocardiography for excluding infective endocarditis in patients with Staphylococcus aureus bacteremia (2026-01-01)
  • THE ADDITIONAL VALUE OF REPEATED TRANSTHORACIC ECHOCARDIOGRAPHY WITHIN ONE-WEEK INTERVAL TO RULE OUT INFECTIVE ENDOCARDITIS in PATIENTS WITH STAPHYLOCOLOCOCCUS AUREUS BACTEREMIA (2024-01-01)
  • EFFECT OF BARIATRIC METABOLIC SURGERY ON CARDIAC FUNCTION in PATIENTS WITH OBESITY: An ECHOCARDIOGRAPHIC ASSESSMENT (2023-01-01)
  • Proposed Approach for Solving Stochastic Vector Optimization Problem with Random parameters in the Constraints (2022-01-01)
  • A single-center comparative study of laparoscopic versus open inguinal hernia repair for better outcomes in Qassim Region, Saudi Arabia (2020-01-01)
  • 9. Gender difference in symptoms, etiology, and management of chronic heart failure in Qassim province (2019-01-01)
  • An Efficient Approach For Treating A Stochastic Fuzzy Multicriterion Programming Problems (2008-01-01)
  • Decomposition the Parametric Space in Stochastic Bicriteria Programming Problems (2005-01-01)
  • A Simulation Study of the MLEs of the Parameter of Exponenential Distribution (2026-01-01)
  • AI-enabled eye-movement and emerging multimodal frameworks for precision dyslexia screening and reading pattern analysis (2026-06-19)
  • A New Statistical Estimator with Simulation and Optimal Fitting Capabilities: An Empirical Exploration in Psychological Education and Radiation Sectors (2026-04-12)
  • A state-of-the-art statistical method with properties: Its utilization using the industrial investment funds and radiation data (2025-11-29)
  • EFFECT OF BARIATRIC METABOLIC SURGERY ON CARDIAC FUNCTION in PATIENTS WITH OBESITY: An ECHOCARDIOGRAPHIC ASSESSMENT (2023-08-01)
  • Development of AHP-Based Divergence Distance Measure between p, q, r-Spherical Fuzzy Sets with Applications in Multi-Criteria Decision Making (2025-05-12)
  • A Novel (p, q, r)-Spherical Fuzzy TOPSIS Framework for Assessing Sustainable Urban Development (2025-01-29)
  • Public Awareness Regarding Household Drug Storage, Qassim Region, Saudi Arabia: A Cross-Sectional Study (2023-01-01)
  • RAD-OAEnsemble: Residual Attention DenseNet with Radiograph-EHR Fusion and Dual-Stream Deep Feature Embedding for Knee Osteoarthritis Risk Prediction (2026-03-19)
  • On modeling and forecasting the stock risk using a new statistical distribution and time series models (2025-03-12)
  • A new probabilistic approach for data modeling in practical scenarios: Considering reliability data with computer knowledge graphs (2025-02-22)
  • Impact of thermal radiation and viscous dissipation on boundary layer non-Newtonian fluid flow past a slender needle: Investigated using machine learning (2025-02-21)
  • AI-Enabled Eye-Movement and Emerging Multimodal Frameworks for Precision Dyslexia Screening and Reading Pattern Analysis (2026-01-01)
  • A New Statistical Estimator with Simulation and Optimal Fitting Capabilities: An Empirical Exploration in Psychological Education and Radiation Sectors (2026-01-01)
  • RAD-OAEnsemble: Residual Attention DenseNet with Radiograph-EHR Fusion and Dual-Stream Deep Feature Embedding for Knee Osteoarthritis Risk Prediction (2026-01-01)
  • Effect of bariatric surgery on cardiac function in obese patients. (2022-01-01)
  • Combined Approach for treating Stochastic Vector Optimization Problem (2020-01-01)
  • Dietary Assessment and Patients Perspective Reasons for Diet and Exercise Adherence Post Bariatric Surgery (2020-01-01)

Teaching materials

  • Introduction to Statistics and Probability
  • Principles of the theory of probability distributions
  • Mathematical statistics
  • Processing and analyzing data
  • Statistical processing of chemical data
  • Calculus
  • Linear algebra
  • Advanced Biostatistics - Graduate Studies
  • Probability theory
  • Linear programming
  • Optimization techniques
  • Biostatistics
  • Statistical Inference
  • Correlation and Regression Analysis
  • Time Series Analysis
  • Statistical Forecasting Techniques

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